Table of Contents Table of Contents The Research Laboratory of Electronics 1 PART I SOLID STATE PHYSICS, ELECTRONICS, AND OPTICS Section 1 Materials and Fabrication.................................. 5 Compound Semiconductor Materials and Devices........................... 7 Chapter 1 Professor Clifton G. Fonstad, Jr. 1.1 * 1.2 1.3 1.4 1.5 1.6 1.7 * 1.8 1.9 1.10 1.11 1.12 1.13 1.14 1.15 Chapter 2 * * * * * * 2.1 2.2 2.3 2.4 2.5 2.6 Introduction ....................................................... Epitaxy-on-Electronics Integration Technology .................................. InGaAsP/GaAs Light Emitting Diodes Monolithically Integrated on GaAs VLSI Electronics .................................................... The OPTOCHIP Project ............................................... Low-Temperature Growth of Aluminum-Free InGaP/GaAs/InGaAs LED and Laser Diode Heterostructures by Solid Source MBE using a GaP Cell................ Dry-Etch Technololgy for Aluminum-free InGaP/GaAs/InGaAs Laser Diode Facets and Deflectors................................................... Monolithic Integration of Vertical-Cavity Surface-Emitting Laser Diodes on ............................... GaAs VLSI Electronics .................. Compound Semiconductors ........ Ill-V Hyperthermal Molecular Beam Dry Etching of Microwave Characterization of Optoelectronic Devices ........................... Monolithic Integration of 1550 nm Photodetectors on GaAs Transimpedance Amplifier Chips .................................................... Design and Analysis of VCSEL-Based Resonant Cavity Enhanced Photodetectors ..... Si-on-GaAs: Monolithic Heterogeneous Integration of Si CMOS with GaAs Optoelectronic Devices using EoE, SOl, and MEMS Techniques.................... Aligned, Selective-Area Wafer-Scale Bonding of Optoelectronic Devices on .................................... GaAs Integrated Circuits......... Normal-Incidence Quantum Well Intersubband Photodetectors (QWIPs) for ........................................ Monolithic Integration ............. Publications . . . . ..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 7 Physics of InAIAs/InGaAs Heterostructure Field-Effect Transistors .............. Professor Jesus A. del Alamo .......... ........ Introduction ...................................... A New Measurement Technique for On-State Breakdown Voltage .................. ................................. On-State Breakdown Physics .............. A New Model for On-state Breakdown Voltage.................................. Conclusions....................................................... Publications....................................................... 21 * Sponsored by the Joint Services Electronics Program 9 9 10 11 12 13 13 14 15 16 17 17 18 21 22 23 25 27 27 Table of Contents Chapter 3 Epitaxial Growth and Processing of Compound Semiconductors ................ 29 Professor Leslie A. Kolodziejski, Dr. Gale S. Petrich 3.1 3.2 3.3 3.4 Section 2 Chapter 1 Introduction ................ .. ............ ....... ... .............. Development of Semiconductor Optical Devices for All-Optical Communication Networks Photonic Bandgap Structures ............ .. ................................. Growth of Bandgap-Engineered Distributed Bragg Reflectors ...................... Quantum-Effect Devices... Single-Electron Electronics ...... 29 29 33 35 ............................... ......................................... Professor Marc A. Kastner * 1.1 * 1.2 * 1.3 Chapter 2 G oals and Objectives ..................................................... S um mary of Recent W ork ....... ........................................... P u blic a tio n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Theory of Electron Transmission Through a Quantum Dot: Coulomb Blockade and the Kondo Effect ................................................ 43 Professor Patrick A. Lee S2 .1 Chapter 3 P roject Description ............ ........................................... 43 Superconducting and Quantum-Effect Electronics........................... 45 Professor Terry P. Orlando 3.1 3.2 3.3 3.4 3.5 3.6 3.7 Chapter 4 Engineering Josephson Oscillators ................................... Triangular Arrays of Josephson Junctions ............................. Nonlinear Dynamics Of Discrete Josephson Arrays ...................... Coupled Rings of Josephson Junctions: Interactions of Topological Kinks ..... Meissner-like States in Josephson Arrays.............................. Self-Field Effects on Flux Flow in Josephson Arrays ..................... Q uantum Device Sim ulations ....................................... ....... 45 ....... 46 ....... 47 ....... 48 ....... 50 . . . . . . . 51 ....... 52 Nanostructures Technology, Research, and Applications ..................... 55 Professor Henry I. Smith * * * * iv 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 4.10 4.11 4.12 4.13 4.14 4.15 .................................... NanoStructures Laboratory ............. Scanning-Electron-Beam Lithography ............. ............................ Spatial-Phase-Locked Electron-Beam Lithography ............................... X -R ay Nanolithography ............ .... .................................... Zone-Plate Based X-Ray and Deep-UV Projection Lithography ..................... Improved Mask Technology for X-Ray Lithography .............................. Robust, High-Precision Mask Alignment and X-ray Exposure System ................ Interferom etric Lithography .......... ....................................... Sub-100 nm Metrology Using Interferometrically Produced Fiducial Grids ............. Arrays of Nanomagnets for High-Density Information Storage ...................... Design and Fabrication of Single-Mask 50 nm MOSFETs ......................... CMOS Technology for 25 nm Channel Length .................................. Fabrication of T-gate Devices Using X-ray Lithography ........................... Single-Electron Transistor Research .......... ................................ One-Dimensional Photonic-Band-Gap Devices in SOl Waveguides.................. RLE Progress Report Number 140 55 55 56 57 59 60 61 63 64 65 67 68 69 70 72 Table of Contents 4.16 Three-dimensional Photonic Bandgap Structures................................ 4.17 Design and Fabrication of an Integrated Channel-Dropping Filter in InP .............. 4.18 Fabrication of an Integrated Optical Grating-Based Matched Filter for .................................. Fiber-Optic Com munications .............. 4.19 High-Dispersion, High-Efficiency Transmission Gratings for Astrophysical ....................................... X-ray Spectroscopy ................ ......................... 4.20 Super-smooth X-ray Reflection Gratings .............. Imaging .............. Atom Neutral for Filters UV-blocking as Gratings 4.21 Transmission S4.22 Submicrometer-Period Transmission Gratings for X-ray and Atom-Beam Spectroscopy and Interferom etry ........... ................................. 4.23 Field-Emitter-Array Flat-Panel Displays for Head-Mounted Applications .............. 4.24 Development of High-Speed Distributed Feedback (DFB) and Distributed-Bragg ....................................... Sem iconductor Lasers .............. . . .. . . . .. . . . . . . .. . . .. .. .. .. . . . .. . . . .. . . . .. .. . . . 4 .2 5 P ublicatio ns . . . ...... . . . . . Chapter 5 Subsurface Charge Accumulation Imaging .................................. 74 75 77 79 80 82 83 84 85 86 89 Professor Raymond C. Ashoori * 5.1 * 5.2 Section 3 Chapter 1 1.1 * * * * 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 1.10 1.11 1.12 1.13 1.14 1.15 1.16 1.17 1.18 1.19 Introduction ....................................................... Publications....................................................... 89 93 Optics and Devices ..................................... 95 Optics and Quantum Electronics........................................ 97 Professor Hermann A. Haus, Professor Erich P. Ippen, Professor James G. Fujimoto, Professor Peter L. Hagelstein, Dr. Brett E. Bouma, Dr. Jay N. Damask Modelocked Lasers using Erbium-doped Glass Waveguide Amplifiers ............... 97 98 Publications......................................................... 99 Environmentally-Stable Stretched-Pulse Fiber Laser ............................. 100 ........................... High-Repetition Rate Laser Sources ............... 101 Asynchronous Phase-Modulated Optical Fiber Buffer ............................. 102 Optical Pulse Filtering with Dispersion-Imbalanced Loop Mirrors .................... 106 ................................... Stretched-Pulse Propagation ............. 107 Direct Measurement of Self-Phase Shift due to Fiber Nonlinearity ................... 109 ................. Applications Gyro Source Laser Wavelength Stabilized Modelocked 109 Optical Measurements of Photonic Bandgap Resonators in the Near Infrared .......... 110 .............................. ... .. O ptical Resonant Structures ............. 112 Ultrafast Gain-Index Coupling in InGaAsP Diode Lasers .......................... 113 Dots.............. Quantum PbTe in Phonons Acoustic Femtosecond Studies of THz 113 Ultrashort Pulse Generation and Ultrafast Phenomena ........................... 118 .............................. ........... Laser Medicine and Medical Im aging 129 Analytical Confirmation of Stochastic Soliton Formulation ......................... 130 . . . . Model Long-Time Evolution of Soliton Position and Phase in the Second-Quantized Local Consequences of Strong Phonon Excitation in a Lattice...................... 132 134 .............................. Steady State Hydrodynamic Ablation ........... * Sponsored by the Joint Services Electronics Program Table of Contents Chapter 2 Optical Propagation and Communication.......... ........................ 13 7 Professor Jeffrey H. Shapiro, Dr. Ngai C. Wong 2.1 2.2 2.3 2.4 Chapter 3 Introductio n ......... . ......................... Nonlinear and Quantum Optics.................... Object Detection and Recognition.................. Optical Frequency Metrology...................... 137 137 140 142 Millimeter-wave, Terahertz, and Infrared Devices .... . . . . . . . . . . . . . . . . . . . . . . . 14 5 Professor Qing Hu 3.1 3.2 3.3 3.4 Chapter 4 Introduction ............. ................... ................... ... ... Micromachined SIS Millimeter-wave Focal-plane Arrays . . . . . . . . . . . . . . . . . . . . . . . . . . Intersubband-transitions Lasers .................... . .. .. . .. .. .. .. . .. .. . .. .. . Publications........... .................... ................ ........ Semiconductor Lasers: Physics and Applications .... 145 14 6 148 152 . . . . . . . . . . . . . . . . . . . . . . . 15 5 Professor Rajeev J. Ram 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 Section 4 Chapter 1 Introduction ............. ........... ........ Band Structure and Optical Gain in Strained Layer Quantum Wells. Band Gap Engineering of Distributed Bragg Reflectors .......... Thermal Oxide for Ridge-Waveguide Semiconductor Lasers ...... High-Speed Semiconductor Laser Development ............... Nonlinear Response of DFB Lasers ......................... High-Fidelity, High-Dynamic Range Fiber Communications ....... Device Level Modeling of Communication Systems ............. Analog Signal Transmission Using Surface Emitting Lasers....... Surfaces and Interfaces....................... Mesoscopic Quantum Magnetic Conductors................ .... .. .. .. .. .. .. .. .. .. .. . . .. . . .. .. .. I............ .. . .. .. .. . .. .. .. .. . .. .. .. . .. .. . .. .. .. .. . .. .. .. . .. .. .. . .. . . .. . .. .............. . .. .. .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . .. .. . . . . . . . . . 155 15 5 15 7 15 8 16 0 16 1 16 2 16 4 16 4 167 169 Professor Robert J. Birgeneau * 1.1 Chapter 2 O rder Driven by Disorder................................... . . . . . . . . . . . . . . . . 16 9 Semiconductor Surface Studies ......................... . . . . . . . . . . . . . . . 17 1 Professor John D. Joannopoulos * 2.1 * 2.2 * 2.3 * 2.4 Chapter 3 Introduction ....................................... ............... 171 Adatom Vacancies on the Si( 111)-(7x7) Surface ................ . . . . . . . . . . . . . . . . 17 1 Unified Approach for Calculation of Force-Constants and Accelerated Convergence of A tom ic C oordinates .............. ................................... .... 174 Publications........................................... ........ .... .... 177 Step Structures and Epitaxy on Semiconductor Surfaces ...................... 179 Professor Simon G.J. Mochrie * 3.1 * 3.2 vi Anisotropic Coarsening of Self-Assembling Periodic Grooves ...................... Publications....................................................... RLE Progress Report Number 140 179 183 Table of Contents PART II Section 1 Chapter 1 APPLIED PHYSICS Atomic, Molecular, and Optical Physics .................. ..... 187 Quantum Optics and Photonics.................................. ....... 189 Professor Shaoul Ezekiel, Dr. Selim M. Shahriar, Dr. Stephen P. Smith 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 Chapter 2 Polarization Selective Motional Holeburning for High-Efficiency, Degenerate Optical Phase Conjugation in Rubidium .................................. Demonstration of a Phase Conjugate Resonator using Degenerate Four-Wave Mixing via Coherent Population Trapping in Rubidium ....................... Intracavity High-speed Turbulence Abberation Correction in a Sodium Phase .......... ............ ............ Conjugate Resonator ............ Frequency-selective Time-domain Optical Data Storage by Electromagnetically Induced Transparency in a Rare-earth Doped Solid ......................... Spin Coherence Excitation and Rephasing with Optically Shelved Atoms ........ Long-Term Optical Data Storage in Thick Holograms ........................ Atomic Interferometry for Nanolithography and Nonlinear Atom Optics .......... Multi-atom Quantum Bits and Cavity Dark States for Quantum Computing in .............................. Spectral Holeburning Media ............. .............................. Fiberoptic Dam age Detection ............ .... 189 .... 192 .... 193 .... .... .... .... 197 201 201 203 .... .... 204 204 207 Basic Atom ic Physics ................................................ Professor Daniel Kleppner, Professor David E. Pritchard, Professor Wolfgang Ketterle 2.1 2.2 * 2 .3 * 2.4 2.5 Section 2 Chapter 1 1.1 1.2 Section 3 Chapter 1 Determination of the Rydberg Frequency ...................................... Recurrence Spectroscopy of Rydberg Atoms in an Oscillating Field ................. ........................................ A tom Interferom etry ............... ............................ Precision Mass Spectrom etry of Ions ............. Cooling and Trapping Neutral Atoms ......................................... 207 211 215 217 220 Plasm a Physics ......................................... 227 Plasm a Dynam ics ................................................... 229 Professor Abraham Bers, Professor Bruno Coppi, Dr. Didier Benisti, Dr. Stephano Migliuolo, Dr. Abhay K. Ram, Dr. Linda E. Sugiyama, Ronald J. Focia, Steven D. Schultz 229 Plasma Wave Interactions-RF Heating and Current Generation ................... 248 ............................... Physics of Thermonuclear Plasmas ........... Electrom agnetics ........................... .. Electromagnetic Wave Theory and Applications .............................. 265 267 Professor Jin Au Kong, Dr. Kung Hau Ding, Dr. Robert T Shin, Dr. Y-C. Eric Yang 1.1 1.2 1.3 1.4 1.5 1.6 1.7 * 1.8 Inversion of Sea Ice Param eters .............. .. ............................. Study of the Effects of Radio Interference on ILS ................................ Development of Atmospheric Attentuation Model ................................ SIR-C Polarimetric Radar Image Simulation and Interpretation .................... ......................... Polarimetric Passive Remote Sensing ............... Analytic and Monte Carlo Studies on Electromagnetic Interactions with .............................. ..... Nonspherical Dense M edia ............. Analysis of Electromagnetic Interaction with Ships on the Ocean................... Electromagnetic Waves in Complex Media .................................... * Sponsored by the Joint Services Electronics Program S267 S268 S269 S269 . 270 S271 * 271 S272 Table of Contents 1.9 1.10 1.11 Section 4 Chapter 1 Research on SAR Simulation Model .................................. ........ Research on SAR Interferometry .................................... ........ P ub lic a tio ns . . . . . ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ........ ....... Radio Astronomy .................................. ...... Remote Sensing and Estimation................................ ........ 272 273 273 277 277 279 Professor David H. Staelin, Dr. Philip W. Rosenkranz Geostationary Microwave Sounder Study ........... ........................... Algorithms for Operational Meteorological Satellite Instruments..................... Development and Operation of an NPOESS Aircraft Sounder Testbed Passive Microwave Sensor....................................... .......... Earth Observing System: Advanced Microwave Sounding Unit ..................... High-Resolution Passive Microwave Imaging of Atmospheric Structure ............... Reduction of V ariation ............ ......................................... 279 280 280 28 1 Section 1 SYSTEMS AND SIGNALS Computer-Aided Design................................... 285 Chapter 1 Custom -Integrated Circuits ............................................ 287 1.1 1.2 1.3 1.4 1.5 1.6 PART III 279 279 Professor Jonathan Allen, Professor Srinivas Devadas, Professor John L. Wyatt, Jr., Professor Berthold K.P. Horn, Professor Hae-Seung Lee, Professor Charles G. Sodini, Dr. Ichiro Masaki, Dr. Joseph F. Rizzo I/// 1.1 1.2 1.3 1.4 1.5 Chapter 2 Interactive Learning Environment for Integrated Circuit Design ..................... V isio n P roje ct . . . . . ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cost-Effective Hybrid Vision Systems for Intelligent Highway Applications ............ Computer-Aided Design Techniques for Embedded System Design ................. Functional Verification of VLSI Systems ........... ............................ Computational Prototyping Tools and Techniques.......... 287 2 88 292 295 297 ................. 3 0 1 Professor Jacob K. White 2.1 2.2 2.3 2.4 2.5 Chapter 3 Free-Surface Hydrodynamics for Offshore Structure Analysis .... Simulation Tools for Micromachined Device Design ............ Simulation Algorithms for RF Circuits ....................... Numerical Techniques for Integral Equations ................. Efficient Three-Dimensional Interconnect Analysis ............. Computer-Assisted Prototyping of Advanced Microsystems... 301 301 302 303 304 ..... .......... .. 307 Professor Donald E. Troxel, Michael B. Mcllrath 3.1 3.2 3.3 viii Advanced Modeling and Computational Prototyping ............ Distributed Collaborative Design and Prototyping Infrastructure... Scheduling Language for Manufacturing Systems ............. RLE Progress Report Number 140 307 312 316 Table of Contents Section 2 Chapter 1 Digital Signal Processing .................................. 317 Digital Signal Processing Research Program .............................. 319 Professor Alan V. Oppenheim, Professor Arthur B. Baggeroer, Professor Anantha P. Chandrakasan, Professor Gregory W. Wornell 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 1.10 1.11 1.12 1.13 1.14 1.15 1.16 1.17 1.18 1.19 1.20 1.21 1.22 1 .2 3 1.24 Chapter 2 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 Introduction....................................................... . ............................ Dual-Channel Signal Processing ................ ........................ Systems CDMA for Spread-Signature Receivers Multipass ........................................ C hannel Equalization .............. .................................. ........... Steganographic Com m unication Data Transmission and Storage under Dynamic Bandwidth Constraints .............. Underwater Acoustic Communication over Doppler Spread Channels................ Algebraic and Probabilistic Structure in Fault-Tolerant Computation ................. Estimation and Equalization of Wireless Fading Channels......................... ............................... Distributed Signal Processing ........... . .... Transmit Antenna Arrays for Multiple-User Wireless Communication ................. ................................... Approxim ate Signal Processing ........... A Framework for Low-Complexity Communication Over Channels with Feedback ...... Analysis and Applications of Systems Exhibiting Stochastic Resonance .............. Linear Models for Randomized Sampling of Discrete-Time Signals .................. Modeling and Design of Approximate Digital Signal Processors and .................................... Approxim ate DSP Networks ............ ................................. Sinusoidal Analysis Synthesis .............. ........................ Speech Enhancement with Side Information ............ ...................................... Systems Chaotic Using Communications Parameter Estimation for Autoregressive Gaussian-Mixture Processes ............... Array Processing Techniques for Broadband Mode Estimation ..................... Multiscale State-Space Algorithms for Processing 1/f Signals ...................... . .. .. .. . . .. . . . . . .. . . . . . . .. . . .. . . . .. . . . .. . . . .. . . . P ub lications . .. . ..... .. . . ................................. Self-Powered Signal Processing ............ 319 320 320 321 321 321 322 322 323 323 324 324 325 325 326 Advanced Telecommunications and Signal Processing Program ................ Professor Jae S. Lim 333 . ................... Introduction ........................................ Regions of Support ............. Shaped Signal Processing for Signals with Arbitrarily Source Multiplexing for Variable Bit Rate Video with Partial or Complete Information .... ....................................... Speech Enhancement .............. ................................ Real-Time Video on the Internet ............. Digital Processing of Underwater Images ..................................... HDTV Transmission Format Conversion and the HDTV Migration Path ............... Study on Migration to a Higher Resolution Digital Television System ................. 333 334 334 335 335 335 336 336 SSponsored by the Joint Services Electronics Program 326 327 327 327 328 328 329 32 9 331 Table of Contents Section 3 Chapter 1 Microelectromechanical Systems ......................... Computer Microvision for Microelectromechanical Systems................ .. . 339 .... 341 Professor Dennis M. Freeman, Professor Donald E. Troxel, Michael B. Mcllrath PART IV Section 1 Chapter 1 Computer Microvision for Microelectromechanical Systems ....................... Calibration of Fatigue Test Structures ............. ............................ Modal Analysis of the Draper Gyroscope ...................................... Speckle Heterodyne Microscopy ............ ................................. Test Studies for Microelectromechanical Systems ............................... 341 341 343 345 346 LANGUAGE, SPEECH, AND HEARING Speech Communication................................... 351 Speech Communication .............................................. 353 Professor Kenneth N. Stevens, Dr. Joseph S. Perkell, Dr. Stefanie Shattuck-Hufnagel 1.1 1.2 1.3 1.4 1.5 1.6 1.7 Section 2 Chapter 1 Studies of the Acoustics, Perception, Synthesis, and Modeling of Speech Sounds ...... Studies of Normal Speech Production ............. ............................ Speech Research Relating to Special Populations ............................... Speech Production Planning and Prosody ..................................... Models of Lexical Representation and Lexical Access ............................ Laboratory Facilities for Speech Analysis and Experimentation ..................... Publications....................................................... 354 357 360 363 364 366 366 Sensory Communication................................... 369 Sensory Com munication.............................................. 371 Professor Louis D. Braida, Nathaniel I. Durlach, Dr. Cagatay Basdogan, Dr. Julie E. Greenberg, Dr. William M. Rabinowitz, Dr. Charlotte M. Reed, Dr. Mandayam A. Srinivasan, Dr. Thomas E.v. Wiegand, Dr. Patrick M. Zurek Introduction .......... ................................ . . . . . . . . . . . . . . 371 Hearing A id Research ....................................... . . . . . . . . . . . . . . 371 Enhanced Communication for Speechreaders .................... ....... ..... .. 375 Tactile Comm unication of Speech.............................. ......... ..... 379 Multim icrophone Hearing Aids................................. . . . . . . . . . . . . . . 381 Hearing-Aid Device Development .............................. ......... ..... 382 B ina ura l He a ring ............. .. ............................ ..... ......... 382 Virtual Environment Technology for Training ..................... ....... ....... 383 Training for Remote Sensing and Manipulation ................... ....... ..... .. 393 Training Spatial Knowledge Acquisition Using Virtual Environments ... .............. 398 1.11 Further Research on Superauditory Localization for Improved Human-Machine Interfaces.................................... ................. ...... 399 1.12 Role of Skin Biomechanics in Mechanoreceptor Response ................. ...... 399 1.13 Force-Reflecting Soft-Tissue Models for Simulating Laparoscopic Surgical Procedures in Virtual Reality Systems ................................. ...... 407 x RLE Progress Report Number 140 Table of Contents Section 3 Chapter 1I Auditory Physiology.................... Signal Transmission in the Auditory System ......... ............. Professor Thomas F 409 411 Professor Dennis M. Freeman, Professor William T Peake, Professor Thomas F Weiss, Dr. Bertrand Delgutte, Dr. John J. Rosowski M iddle and External Ear ........................... Cochlear Mechanisms............. ................ Auditory Neural Coding of Speech ................... Neural Mechanisms of Spatial Hearing ................ Section 4 Chapter 1 411 413 418 420 II Linguistics ....................... .. ... ... ... .... ... ... . 423 . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 5 Linguistics.............................. Professor Morris Halle, Professor Noam A. Chomsky 1.1 1.2 Introduction ............................ Abstracts of Doctoral Dissertations .............. ............................. 425 ............................. 425 APPENDIC ES Appendix A A.1 A.2 A.3 A.4 A.5 RI1 IIkk Pihfinc I qrl ll II, J II tnrl I lIInd Pna r I V Proantadrl m . I I | IV i I . Meeting Papers... . .. ....... Journal Articles ................. Books/Chapters in Books ......... RLE Publications ................ RLE Theses................. . . . . . . 431 431 443 457 458 459 ., ............. ............. ............. ............. Appendix B Current RLE Personnel ......... Appendix C C.1 C.2 C.3 C.4 Milestones .................. New Faculty and Research Staff .... Honors and Awards .............. Prom otions .................... R etirem ent..................... Appendix D RLE Research Support Index .... Project Staff and Subject Index ........... * Sponsored by the Joint Services Electronics Program 463 . . . . . . . .. .. . '.. 467 467 467 469 470 471 475 xii RLE Progress Report Number 140