GEORGE I. HADDAD: Papers Presented

"Paramagnetic Materials for Millimeter- and Submillimeter-Wave Detection" (with C. F. Krumm). Presented at the Boulder Millimeter and Far Infrared Conf., Estes Park, CO, September 1965.

"Quantum Detector" (with C. F. Krumm). Presented at the Sixth Int. Conf. on Microwave and Optical Generation and Amplification, Cambridge, England, September 1966.

"Frequency Conversion in Read Diodes" (with W. J. Evans). Presented at the Conf. on Active Microwave Semiconductor Effects, New York, February 1967.

"Sideband Generation in Avalanche Transit-Time Diodes" (with W. J. Evans). Presented at the High Frequency Generation and Amplification Conf., Ithaca, NY, August 1967.

"Nonlinear Operating Characteristics of IMPATT Devices" (with W. J. Evans). Presented at the Int. Electron Devices Meeting, Washington, DC, October 1967.

"Power and Efficiency of IMPATT Oscillators" (with W. J. Evans). Presented at the Int. Microwave Symp., Detroit, MI, May 1968.

"Large-Signal Analysis of Avalanche-Diode Oscillators" (with P. T. Greiling). Presented at the 7th Int. Conf. on Microwave and Optical Generation and Amplification, Hamburg, Germany, September 1968.

"Varactor-Loaded Ladder Lines" (with V. K. Tripathi). Presented at the 7th Int. Conf. on Microwave and Optical Generation and Amplification, Hamburg, Germany, September 1968.

"Effect of Nonsaturated Drift Velocity on Avalanche-Diode Performance" (with P. T. Greiling). Presented at the Int. Electron Devices Meeting, Washington, DC, October 1968.

"Millimeter- and Submillimeter-Wave Detection by Paramagnetic Materials" (with C. F. Krumm). Presented at the Int. Microwave Symp., Dallas, TX, May 1969.

"Large-Signal Analysis of Avalanche-Diode Oscillators with Various Doping Profiles and Materials" (with P. T. Greiling and R. J. Lomax). Presented at the IEEE Device Research Conf., Rochester, NY, June 1969.

"Multifrequency Operation of IMPATT Diodes" (with W. E. Schroeder and P. T. Greiling). Presented at the Int. Electron Devices Meeting, Washington, DC, October 1969.

"Effect of Doping Profile on the Large-Signal Characteristics of Avalanche Diodes" (with P. T Greiling). Presented at the Avalanche-Diode Workshop, New York City, December 1969.

"Bulk Indium Antimonide as a Microwave-Biased Millimeter- and Submillimeter-Wave Detector" (with I. I. Eldumiati). Presented at the Int. Electron Devices Meeting, Washington, DC, October 1970.

"Avalanche Region Width in Various Structures of IMPATT Diodes" (with W. E. Schroeder, C. M. Lee and R. J. Lomax). Presented at the Device Research Conf., Ann Arbor, MI, June 28-July 1, 1971.

"The Effects of Tunneling on an IMPATT Oscillator" (with S. P. Kwok). Presented at the Device Research Conf., Ann Arbor, MI, June 28-July 1, 1971.

"The Effects of Doping Profile on Reflection-Type IMPATT Diode Amplifiers" (with R. W. Laton). Presented at the 1971 European Microwave Conf., Stockholm, Sweden, August 1971.

"Intermodulation Characteristics of X-Band IMPATT Amplifiers" (with R. J. Trew and N. A. Masnari). Presented at the 1972 IEEE G-MTT Int. Microwave Symp., Chicago, IL, May 1972.

"Diffusion Effects in GaAs Schottky Barrier IMPATTS" (with P. T. Greiling, R. A. Murphy, W. T. Lindley and R. W. Sudbury). Presented at the 1972 IEEE Int. Electron Devices Meeting, Washington, DC, December 1972.

"Characteristics of IMPATT Diode Reflection Amplifiers" (with R. W. Laton). Presented at the 1973 IEEE G-MTT Int. Microwave Symp., Boulder, CO, June 1973.

"Computer Simulation of TRAPATT Oscillations in Si n+pp+ and p+nn+ Diodes" (with C. M. Lee and R. J. Lomax). Presented at the Cornell Conf. on Microwave Semiconductor Devices, Circuits, and Applications, Ithaca, NY, August 1973.

"Comparison of S-Band Silicon n+pp+ and p+nn+ TRAPATT Oscillators" (with R. J. Trew and N. A. Masnari). Presented at the Cornell Conf. on Microwave Semiconductor Devices, Circuits, and Applications, Ithaca, NY, August 1973.

"The Effects of Doping Profile, Material Parameters and Operating Conditions on the Noise Properties of IMPATT Devices" (with C. Chao). Presented at the 1973 Int. Electron Devices Meeting, Washington, DC, December 1973.

"Noise Properties of Transferred-Electron Oscillators" (with J. T. Patterson and R. J. Lomax). Presented at the 1973 Int. Electron Devices Meeting, Washington, DC, December 1973.

"Optimum Doping Profiles in Si and GaAs IMPATTs". Presented at the 1974 Workshop on Compound Semiconductors for Microwave Devices, Philadelphia, PA, February 1974.

"Properties and Potential of BARITT Devices" (with S. P. Kwok and H. Nguyen-Ba). Presented at the 1974 Int. Solid-State Circuits Conf., Philadelphia, PA, February 1974.

"Circuit Optimization of S-Band TRAPATT Oscillators" (with R. J. Trew and N. A. Masnari). Presented at the 1974 IEEE/GMTT Int. Microwave Symp., Atlanta, GA, June 1974.

"Properties and Potential of IMPATT Diodes," (Invited Paper). Presented at the DDRE/NRL Classified Workshop on Solid-State Modules for Electronically Steerable Array Antennas, Washington, DC, December 1974 .

"Harmonic Tuning Effects of TRAPATT Oscillators" (with R. J. Trew and N. A. Masnari). Presented at the 1975 MTT-S Int. Microwave Symp., Palo Alto, CA, May 1975.

"Experimental Investigation of TRAPATT Diode Trigger Conditions" (with J. R. East and N. A. Masnari). Presented at the Cornell Conf. on Active Semiconductor Devices for Microwaves and Integrated Optics, Ithaca, NY, August 1975.

"Properties of BARITT Devices" (with H. Nguyen-Ba and J. R. East). Presented at the Workshop on Compound Semiconductor Microwave Materials and Devices, San Diego, CA, March 1976.

"Further Insight into High-Efficiency GaAs IMPATT Diodes" (with P. E. Bauhahn). Presented at the Workshop on Compound Semiconductor Microwave Materials and Devices, San Diego, CA, March 1976.

"BARITT Devices for Self-Mixed Doppler Radar Applications" (with J. R. East and H. Nguyen-Ba). Presented at the 1976 Int. Microwave Symp., Cherry Hill, NJ, June 1976. "Microwave Solid-State Devices for Self-Mixing Doppler Radars." Presented at the Int. Symp. on Automotive Electronics and Electric Vehicles, Dearborn, MI, September 1976.

"Transient Analysis of the TRAPATT Mode" (with M. Khochnevis-Rad). Presented at the Int. Electron Devices Meeting, Washington, DC, December 1976.

"Mixed Tunneling and Avalanche Mechanisms in p-n Junctions and their Effects on Microwave Transit-Time Devices" (with M. E. Elta). Presented at the Workshop on Compound Semiconductor Microwave Materials and Devices, New Orleans, LA, February 1977.

"K-Band BARITT Doppler Detector" (with J. R. East and P. J. McCleer). Presented at the 1977 IEEE MTT-S Int. Microwave Symp., San Diego, CA, June 1977.

"Operation of Transistors in the Punch-Through Mode" (with P. J. McCleer). Presented at the Sixth Biennial Conf. on Active Microwave Semiconductor Devices and Circuits, Ithaca, NY, August 1977.

"Large-Signal Performance of Microwave Transit-Time p-n Junctions in Mixed Tunneling and Avalanche Breakdown" (with M. E. Elta). Presented at the Workshop on Compound Semiconductor Microwave Materials and Devices, San Francisco, CA, February 1978.

"Device-Circuit Interaction Simulation of a TRAPATT Amplifier" (with R. K. Mains and N. A. Masnari). Presented at the 1978 IEEE MTT-S Int. Microwave Symp., Ottawa, Canada, June 1978.

"BARITT Diode Video Detectors" (with P. J. McCleer). Presented at the 1978 IEEE MTT-S Int. Microwave Symp., Ottawa, Canada, June 1978.

"High-Frequency Limitations in Solid-State Devices" (Invited Talk) (with M. E. Elta). Presented at the Workshop on Low-Noise Millimeter-Wave Receivers, Ottawa, Canada, June 1978.

"Computerized C(V) Profiling Techniques" (with P. A. Blakey, J. R. East, J. Heaton and D. Kinzel). Presented at the Seventh Biennial Conf. on Active Microwave Semiconductor Devices and Circuits, Ithaca, NY, August 1979.

"Millimeter-Wave IMPATT Diode Modeling" (with P. A. Blakey, R. K. Froelich, R. O. Grondin and R. K. Mains). Presented at the Eight Biennial Cornell Elec. Eng. Conf. on Microwave Semiconductor Devices and Circuits, Ithaca, NY, August 1981.

"Millimeter-Wave BARITT Diode Mixers and Detectors" (with J. Chen, J. R. East, R. O. Grondin, Y. Anand, D. Densenouci, S. Ellis, and L. Mang). Presented at the 1982 IEEE MTT-S Int. Microwave Symp., Dallas, TX, June 1982.

"Simulation of GaAs IMPATT Diodes Including Energy and Velocity Transport Equations" (with R. K. Mains). Presented at the 1983 WOCSEMMAD Conf., San Antonio, TX, February 1983.

"Millimeter-Wave Semiconductor Devices" (with P. A. Blakey, J. R. East and R. K. Mains). Presented at Ohmcon/83, Detroit, MI, June 1983.

"Assessment of SiC IMPATT Diode Development for Future Space Communication Applications" (with K. B. Bhasin, D. J. Connolly and A. J. Powell). Presented at the National Review Meeting on Growth and Characterization of SiC and its Employment in Semiconductor Applications, Raleigh, NC, November 27, 1984.

"Solid-State Electronics Research at The University of Michigan." Presented at the NSF Workshop on Future Research Opportunities, Arlington, TX, January 28-31, 1986.

"Magnetostatic-Wave Propagation in a Finite YIG Loaded Rectangular Waveguide" (with M. Radmanesh and C. M. Chu). Presented at the MTT Symposium, Baltimore, MD, June 1986.

"Two Terminal Millimeter-Wave Solid Devices." Presented at the 1985 Cornell Conference, Ithaca, NY, July 28-31, 1986.

"Millimeter Wave Heterojunction MITATT Diodes" (with N. Dogan, J. East and M. Elta). Presented at MITT Symposium, Las Vegas, NV, June 1987.

"A Proposed Narrow-Band-Gap Base Transistor Structure" (with R. Mains). Presented at the 4th International Conference on Superlattices, Microdevices and Microstructures, Trieste, Italy, August 1988.

"Novel Use of Resonant Tunneling Structures for Optical and IR Modulators" (with I. Mehdi and R. Mains). Presented at 4th International Conference on Superlattices, Microdevices and Microstructures, Trieste, Italy, August 1988.

"Resonant Tunneling Devices for Millimeter-Wave Generation" (with R. K. Mains and I. Mehdi). Presented at the 13th International Conference on Infrared and Millimeter Waves, Honolulu, Hawaii, December 1988.

"InP Based Resonant Tunneling Diodes for Microwave and Millimeter-Wave Application" (with I Mehdi). Presented at the International Nanostructure Physics and Fabrication Conference, College Station, TX, March 1989. Published in the proceedings Nanostructure Physics and Fabrication, ed. M. A. Reed and W. P. Kirk, Academic Press, 1989.

"Fabrication and Room Temperature Operation of a Resonant Tunneling Transistor with a Pseudomorphic InGaAs Base" (with U. K. Reddy, I. Mehdi and R. K. Mains). Presented at the International Nanostructure Physics and Fabrication Conference, College Station, TX, March 1989; published in the proceedings Nanostructure Physics and Fabrication, ed. M. A. Reed and W. P. Kirk, Academic Press, 1989, pp. 189-193.

"InGaAs Based Resonant Tunneling Diodes for Microwave and Millimeter-Wave Applications" (with I. Mehdi). Presented at the Applied Physics Society Meeting, St. Louis, MO, March 1989.

"Modeling and Simulation of GaAs Devices" (Invited Talk). Presented at the Institute of Electronic Structure and Laser Workshop, Foundation for Research and Technology - Hellas, Heraklion, Crete, Greece, May 22-23, 1989 (invited).

"Design, Fabrication and Operation of a Hot Electron Resonant Tunneling Transistor" (with U. K. Reddy, I. Mehdi and R. K. Mains). Presented at the 6th International Conference on Hot Carriers in Semiconductors, Phoenix, AZ, July 1989.

"Properties and Device Applications of Deep Quantum Well Resonant Tunneling Structures" (with I. Mehdi, R. K. Mains and U. K. Reddy). Presented at the 4th International Conference on Modulated Structures, Ann Arbor, MI, July 1989.

"Nanoelectronic Devices." Presented at Electro/89, New York, NY, April 1989.

"Microwave/Millimeter-Wave Solid-State Devices." Presented at Electro/89, New York, NY, April 1989.

"Potential and Capability of Resonant Tunneling Diodes" (with C. Kidner, I. Mehdi, and J. East). Presented at 1st International Symposium on Space Terahertz Technology, Ann Arbor, March 5-6, 1990.

"Tunnel Transit Time (TUNNETT) Devices for Terahertz Sources" (with J. East, C. C. Chen and K. Hashim). Presented at the 1st International Symposium on Space Terahertz Technology, Ann Arbor, March 5-6, 1990.

"Resonant Tunneling Diodes Stability and its Consequences for High Frequency Operation" (with C. Kidner, I. Mehdi and J. East). Presented at SPIE's 1990 Symposium on Advances in Semiconductors and Superconductors: Physics Towards Device Applications, San Diego, March 1990.

"Self-Consistent Modeling of Resonant Tunneling Diodes and Transistors," (with R. Mains and J. P. Sun). Proceedings of the Seventh International conference on the Numerical Analysis of Semiconductor Devices and Integrated Circuits (NASECODE VII), April 1991, Copper Mountain, Co.

"A Numerical Large Signal Model for the Heterojunction Bipolar Transistor" (with D. Teeter, J. R. East and R. K. Mains). Presented at the Workshop on Computational Electronics, University of Illinois, May 1990.

"The Bound State Resonant Tunnel Transistor (BSRTT): Fabrication, D.C. I-V Characteristics and High-Frequency Properties" (with U. K. Reddy, J. P. Sun and R. K. Mains). Presented at the 5th International Conference on the Physics of Electro-optic Microstructures and Microdevices, Heraklion, Crete, Greece, July 1990.

"Resonant Tunneling Devices for Very High Speed Optoelectronics Applications." Plenary Session Presentation, SPIE International Conference on Physical Concepts of Materials for Novel Optoelectronic Device Applications, Aachen, Germany, October 28-November 2, 1990.

"Resonant Tunneling Diode Video Detectors for 10-100 GHz Applications," (with I. Mehdi and J. East). Presented at the Infrared and Millimeter-wave Conference, Orlando, FL, December 1990.

"The Design of an ECR Plasma System and its Application to InP Grown by CBE," (with M. E. Sherwin, G. O. Munns, E. G. Woelk, T. J. Drummond, M. E. Elta and F. L. Terry, Jr.). Presented at the 1990 MBE VI Conference.

"The Optimization of InGaAs and InP Growth Conditions by CBE," (with M. E. Sherwin, G. O. Munns, M. E. Elta, E. G. Woelk, S. Crary and F. K. Terry, Jr.). Presented at the 1990 MBE VI Conference.

"Quantum Devices for Arithmetic and Logic Operations," (with T. Singh and R. Lomax). Presented at the 1991 IEEE International Solid-State Circuits Conference, San Francisco, CA, February 13-15, 1991.

"Fundamental Mode Operation of Gunn Devices above 100 GHz," (with R. Kamoua and J. East). Presented at the Second International Conference on Space Terahertz Technology, Pasadena, CA, February 1991.

"GaAs IMPATT Diodes for Frequencies above 100 GHz: Technology and Performance," (with H. Eisele, R. K. Mains and C. C. Chen). Presented at the Second International Conference on Space Terahertz Technology, Pasadena, CA, February 1991.

"Design and Evaluation of W and D Band TUNNETT Devices," (with C. Kidner, J. R. East and H. Eisele). Presented at the Second International Space Terahertz Technology, Pasadena, CA, February 1991.

"A Comparison Between the Heterojunction Bipolar Transistor Power Performance Computer using Signal Y Parameters and a Full Time Domain Simulation," (with D. Teeter, J. East and R. Mains). Presented at the NASCODE Conference, Copper Mountain, CO, April 8-12, 1991.

"Integration of a Coherent Optical Receiver with Adaptive Image Rejection Capability," (with G. Lachs, P. K. Bhattacharya, R. E. Henning, P. J. McCleer, J. Pamulapati, S. Zaidi, A. Singh and S. Peng). Presented at the SPIE Conference on Superconductivity Applications for Infrared and Microwave Devices II, Orlando, FL, April 1991.

"Performance Characteristics of Y-Ba-Cu-O Microwave Superconducting Detectors," (with J. Shewchun and P. J. McCleer). Presented at the SPIE Conference on Superconductivity Applications for Infrared and Microwave Devices II, Orlando, FL, April 1991.

"Investigation of Interface Transition Widths for InGaAs/InP and InP/InGaAs Grown by Chemical Beam Epitaxy using Spectroscopic Ellipsometry," (with M. Sherwin, G. Munns, E. Woelk, D. Nichols, F. Terry, Jr. and P. Bhattacharya). Presented at the TMS Workshop on OMVPE, Panama Beach, FL, April 1991.

"The Growth of High Quality InP/InGaAs/InGaAsP Interfaces by CBE for SCH Quantum Well Lasers, (with M. Sherwin, G. Munns, E. Woelk, D. Nichols, F. Terry and P. Bhattacharya). Presented at the IEEE InP and Related Materials Conference, Cardiff, UK, April 1991.

"Large Signal Characterization and Numerical Modeling of the AlGaAs/GaAs HBT," (with D. Teeter and J. East). Presented at the 1991 MTT Symposium, June 1991.

"Error Correction and Power Calibration of Active Load Pull Measurement Systems," (with D. Teeter and J. East). Presented at the 37th ARFTG Conference, Boston, MA, June 1991.

"High Frequency Large Signal Characterization of Heterojunction Bipolar Transistors," (with D. Teeter and J. East). Presented at the 1991 IEEE/Cornell Conference on Advanced Concepts in High Speed Semiconductor Devices and Circuits, Ithaca, NY, August 1991.

"The Design of an ECR Plasma System and its Applications to InGaAs and InP Growth by CBE," (with M. Sherwin, G. Munns, M. Elta, F. Terry and E. Woelk). Presented in a poster session, 6th International MBE Conference, Austin, TX, August 1991.

"Optimization of InxGa1-xAs, InP and Related Heterostructures Grown via MOMBE and CBE," (with M. Sherwin, F. Terry and G. Munns), Presented as a poster session at the 6th International MBE Conference, Austin, TX, August 1991.

"InAlAs/InGaAs/InP Submicron HEMT's Grown by CBE," (with G. Munns, M. Sherwin, T. Brock, Y. Kwon, G. Ng and D. Pavlidis). Presented at the 3rd International Conference on Chemical Beam Epitaxy and Related Growth Techniques, Oxford, UK, September 1991.

"Chemical Beam Epitaxy for the Growth of InP Based Electronic and Opto-Electronic Devices," (with M. E. Sherwin, G. O. Munns, D. T. Nichols, F. L. Terry, Jr. and P. K. Bhattacharya). Presented at the Second Workshop on Electronic and Opto-Electronic Materials for Tactical and Strategic Applications, Huntsville, AL, October 1991.

"C-V Characteristics of Quantum Well Varactors," (with J. P. Sun, W. L. Chen, R. K. Mains and J. East). Presented at and in the proceedings of the 1991 International Semiconductor Device Research Symposium, Charlottesville, VA, December 1991.

"CBE Grown InGaAs/InP Hot Electron Transistor (HET) with Pd/Ge Shallow Ohmic Base Contact." Presented at and in the proceedings of the 1991 Semiconductor Device Research Symposium, Charlottesville, VA, December 1991.

"Breakdown Voltage Improvement in Strained InGaAs/GaAs MESFET's." Presented, and in the proceedings of the 1991 Semiconductor Device Research Symposium, Charlottesville, VA, December 1991.

"Planar Doped Barrier Mixers and Detectors," (with T. H. Lee, Y. Anand and J. East), Space Terahertz Symposium, Ann Arbor, MI, March 1992.

"Transit-Time Devices as Local Oscillators for Frequencies Above 100 GHz," (with H. Eisele and C. Kidner). Presented at the 3rd Conference on Space Terahertz Technology, Ann Arbor, MI March 1992.

"Modelling, Design, Fabrication and Testing of InP Gunn Devices in the D-band (110 GHz - 170 GHz)," (with R. Kamoua, H. Eisele, J. East, G. Munns and M. Sherwin). Presented at the 3rd Conference on Space Terahertz Technology, Ann Arbor, MI, March 1992.

"Fmax-Enhancement in CBE-Grown InAlAs/InGaAs HEMT's Using Novel Self-Aligned Offset-Gate Technology," (with Y. Kwon, T. Brock, G. I. Ng, D. Pavlidis, G. O. Munns and M. E. Sherwin). Presented at the 4th Annual InP and Related Materials Conference, Newport, RI, April 1992.

"Superlattice Barrier Varactors," (with C. Raman, J. P. Sun, W. L. Chen, G. O. Munns and J. East). Presented at the Third International Symposium on Space Terahertz Technology, Ann Arbor, MI, May 1992.

"Analysis of Intermodulation Distortion in AlGaAs/GaAs HBT's" (with D. Teeter, M. Karakucuck and J. East). Presented at the International Microwave Symposium, June 1992.

"Optimized 0.1 Micron GaAs MESFET's" (with K. Moore, J. East and T. Brock). Presented at the 1992 International Microwave Symposium, June 1992.

"High Breakdown Voltage Submicron Strained InGaAlAs/GaAs FET's" (with K. Eisenbeiser, J. East and T. Brock). Presented at the 1992 International Microwave Symposium, June 1992.

"The Growth of InAlP Using Trimethyl Amine Alane by Chemical Beam Epitaxy," (with G. O. Munns, W. L. Chen, and M. E. Sherwin). Presented at the Seventh International Conference on Molecular Beam Epitaxy, Stuttgart, Germany, August 1992.

"Parametric Investigation of InGaAs/InAlAs HEMT's Grown by CBE," (with G. O. Munns, M. E. Sherwin, Y. Kwon, T. Brock, W. L. Chen and D. Pavlidis). Presented at the 7th International MBE Conference, Stuttgart, Germany, August 1992.

"A Fully Integrated Monolithic D-band Oscillator-Doubler Chain Using InP-Based HEMTs," (with Y. Kwon, D. Pavlidis, P. Marsh, G. I. Ng, T. Brock and G. O. Munns). Technical Digest of the 14th Annual IEEE GaAs IC Symposium, Miami, FL, pp. 51-54, October 1992.

"InP-Based Quantum Effect Devices: Device Fabrication and Application in Digital Circuits," (with W. L. Chen, G. O. Munns, S. Mohan and P. Mazumder). Proceedings of the 1992 International Electron Device and Materials Symposium. November 1-4, 1992, Taipei, Taiwan.

"CBE Grown in InGaAs/InP Hot Electron Transistors and Heterojunction Bipolar Transistors with InGaAs Contact Layers," (with W. L. Chen, J. P. Sun, M. E. Sherwin, G. O. Munns, J. R. East and R. K. Mains). Presented at the 1992 International Electron Device and Materials Symposium, November 1-4, 1992, Taipei, Taiwan.

"Numerical simulation of TUNNET and MITATT Devices in the Millimeter and Submillimeter Range," (with C. C. Chen, R. K. Mains and H. Eisele). Presented at the Fourth International Symposium on Space Terahertz Technology, UCLA, March 30,-April 1, 1993.

"InAlAs/InGaAs Heterojunction Bipolar Transistors Grown by Chemical Beam Epitaxy (CBE)," (with J. Cowles, W. L. Chen and G. O. Munns). Presented at the 5th Annual InP Related Materials Conference, April 18-22, 1993, Paris, France.

"Electro-Optic Properties of Pseudomorphic Low-Dimensional (2-D and 0-D) Quantum Confined Structures," (with L. Davis, P. K. Bhattacharya, K. K. Ko, W-Q. Li, H. C. Sun, S. W. Pang and T. Brock). Presented at the European Conference on Integrated Optics, April 1993.

"THz Sources Based on Intersubband Transitions in Quantum Wells and Strained Layers," (with A. Afzali-Kushaa and T. B. Norris). Presented at the Fourth International Symposim on Space Terahertz Technology, Los Angeles, California, March 1993.

"Experimental Realization of the Bound State Resonant Tunneling Transistor," (with W. L. Chan, G. O. Munns and J. R. East). Presented at 1993 IEEE DRC, June 1993.

"Influence of Hydride Purity on InP and InAlAs Grown by CBE," (with G. O. Munns, W. L. Chen, M. E. Sherwin, D. Knightly, L. Davis and P. K. Bhattacharya). Presented at the 4th International Conference on Chemical Beam Epitaxy and Related Growth Technology, Nora, Japan, July 21-23, 1993.

"The Growth of Resonant Tunneling Hot Electron Transistors using Chemical Beam Epitaxy," (with W. L. Chen, G. O. Munns, L. Davis and P. K. Bhattacharya). Presented at ICCBE-4, Nora, Japan, July 21, 1993.

"Development of an Appropriate Model for the Design of D-Band an InP Gunn Devices," (with R. Kamoua, H. Eisele, G. Munns and M. Sherwin). Presented at the 14th IEEE Cornell Conference, Ithaca, NY, August 2-4, 1993.

"InGaAs/AlAs/InGaAsP Resonant Tunneling Bipolar Transistors Grown by Chemical Beam Epitaxy," (with W. L. Chen, G. O. Munns, D. Knightly and J. R. East). Presented at the IEEE 1993 Cornell Conference, August 1993.

"InAlAs/InGaAs(P) Double Heterojunction Bipolar Transistors with High Breakdown Voltage Grown by Chemical Beam Epitaxy," (with J. C. Cowles, W. L. Chen and G. O. Munns). Presented at the IEEE 1993 Cornell Conference, August 1993.

"On the Feasibility of Intersubband Transition Lasers," (with A. Afzali-Kushaa and T. B. Norris). Presented at the IEEE 1993 Cornell Conference, August 1993.

"Structure and Computer Modeling of GaAs TUNNETT and MITATT Devices for Frequencies Above 100 GHz," (with C. C. Chen and R. K. Mains). Presented at the IEEE 1993 Cornell Conference, August 1993.

"Direct Optical Injection Locking of InP-based MODFETT and GaAs-based HBT Oscillators," (with W. Li, D. Yang, P. Freeman, J. East and P. Bhattacharya). Presented at the IEEE 1993 Cornell Conference, August 1993.

"Effects of Gate Recess Depth on Very High Performance 0.1um GaAs MESFET's," (with K. E. Moore, J. R. East and T. Brock). Presented at the 1993 European Microwave Conference, Spain, September 1993.

"Structure Design and Numerical Simulation of High Frequency GaAs/InP Schottky Contact TUNNETT/MITATT Devices," (with C.-C. Chen, R. K. Mains and H. Eisele). Presented at the Millimeter-Wave Conference, Huntsville, Alabama, September 1993.

"Power Capabilities of CW-Oscillators with GaAs- and InP-Based Two-Terminal Devices in the Millimeter and Submillimeter Wave Frequency Range," (with H. Eisele, R. Kamoua and C. Kidner). Presented at the Millimeter-Wave Conference, Huntsville, Alabama, September 1993.

"Interband Absorption in p-Type InGaAs at FIR Frequencies," (with X. Zhang, P. Liao and A. Afzali-Kushaa). Presented at the 1993 Material Research Society Conference on Diagnostic Techniques for Materials Processing, Boston, Massachusetts, November 1993.

"Device Applications of Resonant Tunneling Structure," (with J. East). Presented at the 1993 International Semiconductor Device Research Symposium, Charlottesville, Virginia, December 1993.

"The Validity of Reciprocity and the Ebers-Moll Model in Abrupt Heterojunction Bipolar Transistors," (with J. Cowles, K. Yang, A. Guiterrez- Aitken, G. O. Munns, W. L. Chen and P. K. Bhattacharya). Presented at the 1993 International Semiconductor Device Research Symposium, Charlottesville, Virginia, December 1993.

"Optically Pumped Intersubband Lasers," (with A. Afzali-Kushaa and T. B. Norris). Presented at the 1993 International Semiconductor Device Research Symposium, Charlottesville, Virginia, December 1993.

"Numerical Study of the DC Characteristics of InGaAs Abrupt Emitter HBTs Using a Self- Consistent Boundary Condition Approach," (with K. Yang and J. East). Presented at the 1993 International Semiconductor Device Research Symposium, Charlottesville, Virginia, December 1993.

"Structure and Simulation of GaAs TUNNETT and MITATT Devices for Frequencies Above 100 GHz," (with C. C. Chen, R. K. Mains and H. Eisele). Presented at the Conference on Advanced Concepts in High Speed Semiconductor Devices and Circuits, Cornell University, Ithaca, August 2-4, 1993.

"Recent Experimental Results from GaAs TUNNETT Diodes above 100 GHz," Proceedings of the International Conference on Millimeter and Submillimeter Waves and Applications, San Diego, CA, SPIE 2211, pp. 45-64, January, 1994.

"High Bandwidth InAlAs/InGaAs PIN-HBT Monolithic Integrated Photoreceiver," (with A. L. Gutierrez-Aitken, J. Cowles and P. Bhattacharya). Presented at the 6th International InP and Related Materials Conference, Santa Barbara, California, March 1994.

"A Quasi-Optical Subharmonically-Pumped Receiver using Separately Biased Schottky Diode Pairs," (with T-H Lee, C-Y Chi, J. R. East and G. M. Rebeiz). Presented at the IEEE MTTS-S International Microwave Symposium Symposium 1994, San Diego, CA, May 23-27, 1994.

"Simplified Nonlinear Model for the Intermodulation Analysis of MESFET Mixers," (with S. Peng and P. McCleer). Presented at the IEEE MTTS-S International Microwave Symposium Symposium 1994, San Diego, CA, May 23-27, 1994.

"Absorption and Population Inversion in P-type InGaAs Strained Layers Based on Intervalence Subband Transitions at FIR Frequency," (with X. Zhang, A. Afzali-Kushaa, W. L. Chen and G. Munns). Presented at the 6th International Conference on Infrared Physics, Topical Conference on Infrared Lasers, Ascono, Switzerland, May 28-June 3, 1994.

"Enhanced Performance in GaAs TUNNETT Diode Oscillators Above 100 GHz Through Diamond Heat Sinking and Power Combining." Presented at the IEEE MTT-S International Microwave Symposium 1994, San Diego, CA, May 23-27, 1994.

"Optically Controlled Microwave Oscillators Fabricated Using GaAs/AlGaAs HBTs with Transparent ITO Emitter Contacts," (with P. N. Freeman, W. Li, M. Karakucuk, J. East and P. Bhattacharya). Presented at SPIE (OE/LASE) International Symposium, Los Angeles, CA, January 1994.

"A Novel Biased Anti-Parallel Schottky Diode Structure for Subharmonic Mixing," (with T. Lee, C. Chi, J. East and G. Rebeiz). Presented at the Fifth International Symposium on Space Terahertz Technology, Ann Arbor, MI, May 1994.

"Novel Varactor Diode Structures for Improved Power Performance," (with F. Brauchler and J. East). Presented at the Fifth International Symposium on Space Terahertz Technology, Ann Arbor, MI, May 1994.

"Performance of GaAs TUNNETT Diodes as Local Oscillator Sources," (with H. Eisele, C. Chen and R. Mains). Presented at the Fifth International Symposium on Space Terahertz Technology, Ann Arbor, MI, May 10-13, 1994.

"High Efficiency InP IMPATT Diodes for High Power Generation," (with C. C.Chen, R. Mains and H. Eisele). Presented at the Fifth International Symposium on Space Terahertz Technology, Ann Arbor, MI, May 1994.

"Transparent Emitter Contact HBT's for Direct Optical Injection Locking of Oscillators," (with M. Karakucuk, W. Li, P. Freeman, J. East and P. Bhattacharya). Presented at the IEEE MTT-S International Symposium, San Diego, CA, May, 1994.

"Optimization of CBE Growth of InP/InGaAs Interface," (with G. O. Munns, W. L. Chen, J. C. Cowles, Y. C. Chen and P. K. Bhattacharya). Presented at the Electronic Materials Conference, Boulder, CO, June 22-24, 1994.

"The Operation and Device Applications of a Valved-Phosphorus Cracker in Solid-Source Molecular Beam Epitaxy," (with T. P. Chin, W. L. Chen, J. M. Woodall, J. C. P. Chang, C. Parks and A. K. Ramdas). Presented at the North American MBE Conference, Urbana, IL, October, 1994.

"Large Bandwidth InP-Based Monolithically Integrated PIN-HBT Photoreceivers for Optical Communications," (with A. L. Gutierrez-Aitken, P. Bhattacharya, K. Yang and J. Cowles). Presented at the Conference on Manufacturing Process Development in Photonics, Redstone, Arsenal, AL, November, 1994.

"Ultrafast, Compact Multiple-Valued Multiplexers Using Quantum Electronic Devices," (with H. L. E. Chan, S. Mohan, P. Mazumder and W. L. Chen). Presented at GOMAC, San Diego, CA, November, 1994.

"Circuit Simulation of Resonant Tunneling Devices Uses NDR-SPICE," (with S. Mohan and P. Mazumder). Presented at IEDM, San Francisco, CA, December, 1994.

"Lasers Based on Intersubband Transitions in Quantum Wells," (with A. Afzali-Kushaa). Presented at the SPIE Optoelectronic Integrated Circuit Materials, Physics and Devices, April, 1995.

"SPICE-Based DC and Microwave Characterization of InAlAs/InGaAs HBT's Used for Large-Bandwidth Integrated Transimpedance Amplifers," (with K. Yang, A. L. Gutierrez-Aitken, X. Zhang and P. Bhattacharya). Presented at the 7th International InP and Related Materials Conference, Sapporo, Japan, May, 1995.

"9-GHz Bandwidth InP-Based Integrated PIN-HBT Photoreceiver," (with A. L. Gutierrez-Aitken, K. Yang, X. Zhang and P. Bhattacharya). Presented at the 7th International InP and Related Materials Conference, Sapporo, Japan, May, 1995.

"DC and Transient Simulation of Resonant Tunneling Devices in NDR-SPICE," (with P. Mazumder, J. P. Sun and S. Mohan). Presented at the 21st International Symposium on Compound Semiconductors, San Diego, CA, September, 1994.

"Intersubband Relaxation and Population Inversion in Stepped Quantum Wells," (with T. B. Norris, C. Y. Sung and A. Afzali-Kushaa). Presented at the Ultrafast and Optoelectronics and Quantum Optoelectronics Conference, Dana Point, CA, March, 1995.

"InP Gunn Devices and GaAs TUNNETT Diodes as Low-Noise High-Performance Local Oscillators in Fundamental Mode," (with H. Eisele). Presented at the Sixth International Symposium of Space Terahertz Technology, March 21-23, 1995, Pasadena, CA.

"9 GHz Bandwidth InP-Based Integrated PIN-HBT Photoreceiver," (with A. L. Gutierrez-Aitken, K. Yang, X. Zhang and P. Bhattacharya). Presented at the 7th International Conference on Indium Phosphide and Related Materials, Sapporo, Hokkaido, Japan, May, 1995.

"Co-integration of High Speed InP-Based HBTs and RTDs Using Chemical Beam Epitaxy," (with W. L. Chen, G. O. Munns and X. Wang). Presented at the International Conference on Chemical Beam Epitaxy and Related Growth Techniques, Charlottesville, Virginia, June, 1995.

"Population Inversion in Step Quantum Wells at 10um Wavelength," (with X. Zhang, J. P. Sun, A. Kushaa, C. Y. Sung and T. Norris. Presented at the 53rd Device Research Conference, Charlottesville, Virginia, June, 1995.

"Room Temperature 10um Intersubband Lasers Based on Carrier Capture Processes in Step Quantum Wells," (with X. Zhang). Presented at the 9th International Conference on Hot Carriers in Semiconductors, Chicago, Illinois, July, 1995.

"Time-Resolved Femtosecond Intersubband Relaxations and Population Inversion in Stepped Quantum Wells," (with C. Y. Sung, T. B. Norris, X. Zhang and A. Afzali-Kushaa. Presented at the 9th International Conference on Hot Carriers in Semiconductors, Chicago, Illinois, July, 1995.

"Wide Bandwidth InAlAs/InGaAs Monolithic PIN-HBT Photoreceiver," (with A. L. Gutierrez-Aitken, K. Yang, X. Zhang and P. Bhattacharya. Presented at the LEOS Summer Topical Meeting, Keystone, Colorado, August, 1995.

"An Ion Implanted In0.53Ga0.47As HFET for Optoelectronic Integration," (with M. P. Liao and J. East. Presented at the 15th Biennial Cornell Conference on Advanced Concepts in High Speed Semiconductor Devices and Circuits, Ithaca, New York, August 7-9, 1995.

"Heterojunction Bipolar Transistors with Low Temperature Be-Doped Base Grown by CBE," (with G. O. Munns and W. L. Chen). Presented at the International Conference of Chemical Beam Epitaxy, San Diego, California, August 13-16, 1995.

"Co-integration of High Speed Heterojunction Bipolar Transistors (HBTs) and Tunnel Diodes," (with W. L. Chen, G. O. Munns and X. Wang. Presented at the IEEE Cornell Conference on Advanced Concepts in High Speed Semiconductor Devices and Circuits, Ithaca, New York, August, 1995.

"16 GHz Bandwidth InAlAs/InGaAs Monolithically Integrated PIN-HBT Photoreceiver," (with A. L. Gutierrez-Aitken, K. Yang and X. Zhang). Presented at the European Conference on Optical Communication, Brussels, Belgium, September, 1995.

"A Monolithic Ultrahigh-Speed InAlAs/InGaAs PIN-HBT Photoreceiver with a Bandwidth of 18.6 GHz," (with K. Yang, A. L. Gutierrez-Aitken, X. Zhang and P. Bhattacharya). Presented at the International Symposium of ISCS-22, Korea, September, 1995.

"Self-Consistent Scattering Calculation of Resonant Tunneling Diode Characteristics," (with J. P. Sun). Presented at the 4th International Workshop on Computational Electronics, Tempe, Arizona, October, 1995.

"A 32-bit Ultrafast Parallel Correlator Using Resonant Tunneling Devices," (with S. Kulkarni and P. Mazumder. Presented at the International Conference on Integrated Microtechnology for Space Applications, Houston, Texas, October, 1995.

"Comparative Study on Resonant Tunneling Diodes (RTD's) and Traditional Tunnel Diodes (TD's) and Their Co-Integration with Heterojunction Bipolar Transistors (HBT's)," (with X. Wang, W. L. Chen, G. O. Munns and J. R. East. Presented at the 1995 International Semiconductor Device Research Conference, Charlottesville, Virginia, December 5-8, 1995.

"Fabrication and RF Performance of GaAs MESFETs," (with T. Abbott, T. Brock and J. East). Presented at the 1995 International Semiconductor Device Research Conference, Charlottesville, Virginia, December 5-8, 1995.

"A High-Speed 32-bit Parallel Correlator for Spread Spectrum Communication," (with S. Kulkarni and P. Mazumder). Presented at the 9th International Conference on VLSI Design, Bangalore, India, January, 1996.

"Population Inversion in Asymmetrical Step Quantum Wells and Infrared Intersubband Lasers," (with X. Zhang, C. Y. Sung and T. B. Norris). Presented at the SPIE International Photonics West Conference, San Jose, California, January, 1996.

"Time-Resolved Population Inversion in Intersubband FIR Laser Structures and Femtosecond Intersubband Relaxations," (with C. Y. Sung, X. Zhang and T. B. Norris). Presented at the SPIE International Conference on Quantum Well and Superlattice Physics VI, San Jose, California, January, 1996.

"Tunneling Devices and Applications in High Functionality/Speed Digital Circuits." Presented at the 1996 Topical Workshop on Heterostructure Microelectronics, Sapporo, Japan, August 18-21, 1996.

"A Novel Technique to Reduce Crosstalk in Monolithically Integrated High Speed Photoreceiver Arrays," (with K. C. Syao, A. L. Gutierrez-Aitken, KJ. Yang, X. Zhang and P. Bhattacharya). Presented at the IEDM, San Francisco, California, December 8-11, 1996.

"InP-Based High-Speed Monolithically Integrated p-i-n/HBT 4- and 8-Channel Photoreceiver Arrays," (with K. Yang, K. C. Syao, A. L. Gutierrez-Aitken, P. Bhattacharya, S. Thomas and G. E. Stillman). Presented at the IEEE International Electron Devices Meeting,, San Francisco, California, December 8-11, 1996.

"16-Channel Monolithically Integrated InP-Based p-i-n/HBT Photoreceiver Array with 11- Ghz Channel Bandwidth and Low Cross Talk," (with K. C. Syao, K. Yang, A. L. Gutierrez-Aitken, X. Zhang and P. Bhattacharya. Presented at the Conference on Optical Fiber Communication OFC97, Dallas, TX, February 16-21, 1997.

"Double Heterojunction Bipolar Transistors with Chirped InGaAs/InP Superlattice Base- Collector Junction Grown by CBE," (with K. Yang, G. O. Munns and X. Wang). Presented at the Ninth Conference on InP and Related Materials, Cape Code, MA, May 11-15, 1997.

"Intersubband Relaxation in Step Quantum Well Structures," (with J. P. Sun, H. B. Teng, M. A. Stroscio and G. J. Iafrate). Presented at the International Workshop on Computational Electronics, Notre Dame, Indiana, May 28-30, 1997.

"RF Performance Characteristics of InP Millimeter-Wave n+--nQn+ Gunn Devices," (with H. Eisele and G. O. Munns). Presented at the 1997 IEEE MTT-S International Microwave Symposium, Denver, Colorado, June 17-21, 1997.

"Two-Terminal Millimeter-Wave Sources," (with H. Eisele). Presented at the 1997 Topical Symposium on Millimeter Waves, Hayama, Kanagawa, Japan, July 7-8, 1997.

"InP Double Heterojunction Bipolar Transistors with Chirped InGaAs/InP Superlattice Base-Collector Junction Grown by CBE," (with K. Yang, G. O. Munns and J. R. East). Presented at the 16th IEEE Cornell Conference on Advanced Concepts in High Speed Semiconductor Devices and Circuits, Ithaca, NY, August 4-6, 1997.

"Design, Fabrication and Evaluation of Deep Submicron FETUs," (with T. Abbott-Morse, T. Brock and J. East). Presented at the IEEE Cornell Conference on Advanced Concepts in High Speed Semiconductor Devices and Circuits, Ithaca, NY, August 4-6, 1997.

"Electron-Interface Phonon Interaction in Multiple Quantum Well Structures," (with J. P. Sun, H. B. Teng and M. A. Stroscio). Presented at the Surfaces and Interfaces in Mesoscopic Devices Workshop, Maui, Hawaii, December 8-12, 1997.

"Monolithically Integrated InP-based Minority Logic Gate using an RTD/HBT Heterostructure," (with C. H. Lin, K. Yang, M. Bhattacharya, S. Wang, X. Zhang, J. East and P. Mazumder). Presented at the 10th International Conference on InP and Related Materials, Tsukuba, Japan, May 11-15, 1998.

"Automatic Control of Efficiency and Linearity in Power Amplifiers for Low-Power Wireless Communications," (with K. Yang and J. East). Presented at the Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems, Ann Arbor, Michigan, September 17-18, 1998.