Table of Contents
1. Submicron Structures Technology and Research
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1.1 Submicron Structures Laboratory
1.2 Microfabrication at Linewidths of 0.1 tLm and Below
1.3 Electronic Conduction in Ultra-Narrow Silicon Inversion Layers
1.4 Corrugated Gate MOS Structures
1.5 Submicron FET's in Si
1.6 Submicron-Gap High-Mobility Silicon Picosecond Photodetectors
1.7 Graphoepitaxy of Si, Ge, and Model Materials
1.8 Zone-Melting Recrystallization of Si for Solar Cells
1.9 Integration of Si and Ill-V Materials
1.10 Submicrometer-Period Gold Transmission Gratings for X-Ray Spectroscopy
1.11 High-Dispersion, High-Efficiency Transmission Gratings for Astrophysical X-Ray
Spectroscopy
1.12 A Display Based on Switchable Zero Order Diffraction Grating Light Valves
1.13 Studies of Surface Acoustic Wave Propagation in Gratings
1.14 Near IR Grating Polarizers
2. Kinetic Phenomena in Thin Film Electronic Materials
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2.1 Surface-Energy-Driven Secondary Grain Growth in Ultrathin (<1000 A) Films of
Silicon and Germanium
2.2 Metastable
Phase Formation
in Lithographically Defined Particles of
Semiconductors
2.3 Zone Melting Recrystallization of Silicon and Germanium Films
2.4 Graphoepitaxy of Si, Ge and Model Materials
2.5 Properties of Grain Boundaries with Controlled Orientations and Locations in Thin
Silicon Films
2.6 Modeling of Grain Formation and Grain Growth in Thin Films
2.7 Modeling of Beading in Thin Films
2.8 Grain Growth in Thin Films and Thin Films Lines
2.9 Electrical Properties of Interconnect Lines with Controlled Microstructures
2.10 Kinetics of Silicide Formation at Refractory Metal-Silicon Contacts
3. Focused Ion Beam Fabrication
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3.1 Focused Ion Beam System
3.2 Connections Through Focused Ion Beam Milled Vias
3.3 Mask Repair and Ion Assisted Deposition
4. Chemical Reaction Dynamics at Surfaces
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4.1
4.2
4.3
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Dynamics of Molecular Chemisorption
Dynamics of Dissociative Adsorption
Chemical Reaction Dynamics by Molecular-Beam Surface Reactive Scattering
Spectroscopic Studies of Small Molecule Adsorption on Rare Earth Single Crystal
Metal and Metal Oxide Surfaces
5. Optics and Quantum Electronics
5.1 Devices for High-Rate Optical Communications
5.2 Picosecond Optics
5.3 Ultrafast Pulse Generation
5.4 Femtosecond Spectroscopy
5.5 Diode Laser Dynamics and Diagnostics
5.6 Quaternary (InGaAsP) Diagnostics
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6. Infrared Nonlinear Optics
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6.1 Infrared Nonlinear Processes in Semiconductors
7. Phase Transitions in Chemisorbed Systems
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7.1 Selenium Chemisorbed on the Nickel (100) Surface
7.2 The Effect of Criticality on Wetting Layers
7.3 Critical Behavior with Axially Correlated Random Bonds
7.4 Duality and Pseudodimensional Variation in Potts Phase Transitions
8. X-Ray Diffuse Scattering
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8.1 Intercalation Compound Structures and Transitions
8.2 Smectic Liquid Crystals
8.3 Structures and Transitions of Monolayer Rare Gas Crystals
9. Semiconductor Surface Studies
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9.1 Chemisorption
9.2 Structural Phase Transitions
10. Electronic Properties of Amorphous Silicon Dioxide
11. Quantum Transport in Low Dimensional Disordered Systems
11.1 Variable Range Hopping in Quasi-One-Dimensional MOSFET's
12. Optical Spectroscopy of Disordered Materials
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12.1 Studies of Micellar Liquid Crystals
12.2 Properties of Colloidal Crystals
13. Photon Correlation Spectroscopy and Applications
13.1 Structure and Dynamics of Colloidal Solutions Studied by Small Angle Neutron
Scattering and Photon Correlation Spectroscopy
14. Custom Integrated Circuits
14.1 Conversion of Algorithms to Custom Integrated Circuits
14.2 Automatic Design of Systolic Arrays
14.3 Parallel Algorithms and Architectures for Solving Elliptic Partial Differential
Equations
14.4 Parallel Algorithms and Architectures for Computer Vision
14.5 Very Large Scale Integrated Circuit Research
14.6 A Circuit Theory for Digital VLSI Systems
14.7 Waveform Bounding for Fast Timing Analysis of MOS VLSI Circuits
15. Speech Communication
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15.1 Speech Recognition
15.1.1 Lexical Stress and its Application in Large Vocabulary Speech Recognition
15.1.2 Detection of Nasalized Vowels in American English
15.1.3 Lexical Access from Spectra (LAFS)
15.2 Speech Synthesis
15.3 Physiology of Speech Production
15.3.1 A Pilot Experiment on Coarticulation and Trading Relationships between
Tongue Position and Lip Protrusionto Accomplish the /s/-/S/ Contrast
15.3.2 An Alternating Magnetic Field System for Tracking Articulatory Movements
15.3.3 Acoustic Characteristics of Fricatives and Fricative Models
15.3.4 Objective Assessment of Vocal Hyperfunction
15.3.5 Laryngeal Modelling
15.4 Speech Production Planning
15.5 Studies of the Acoustics and Perception of Speech Sounds
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15.5.1 Vowel Perception, the "Center of Gravity" Effect, and Synchrony Models
15.5.2 The Nasal-Nonnasal Distinction for Vowels and Consonants
15.5.3 Tense-lax Distinction for Vowels
15.5.4 Other Acoustic and Perceptual Studies
15.5.5 Auditory Models and Speech Processing
16. Linguistics
17. Communications Biophysics
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A. Signal Transmission in The Auditory System
17.1 Basic and Clinical Studies of the Auditory System
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17.1.1 Comparative Aspects of Middle-Ear Transmission
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17.1.2 Effects of Middle-Ear Muscle Contraction on Middle-Ear Transmission
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17.1.3 Model of the Ear of the Alligator Lizard
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17.1.4 Relation Between Spike Discharges of Cochlear Neurons and the Receptor
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Potential of Cochlear Hair Cells
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17.1.5 Accuracy of Algorithms for Neural Iso-Response Measurements
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17.1.6 Coding of Speech in Discharges of Cochlear Nerve Fibers
17.1.7 Structural and Functional Studies of the Spiral Ganglion
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17.1.8 Middle-Ear Muscle Reflex
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17.1.9 Cochlear Efferent System
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17.1.10 Cochlear Implants
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B. Auditory Psychophysics and Aids for the Deaf
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17.2 Binaural Hearing
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17.3 Discrimination of Spectral Shape
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17.4 Role of Anchors in Perception
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17.5 Hearing Aid Research
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17.6 Multimicrophone Monaural Aids for the Hearing-'m paired
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17.7 Tactile Perception of Speech
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C. Transduction Mechanisms in Hair Cell Organs
17.8 Relation of Anatomical and Neural-Response Characteristics in the Alligator Lizard 106
Cochlea
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18. Physiology
18.1 A Control Process in Cell Membrane
18.2 The Problem of Color Constancy
18.3 Peripheral Vision
18.4 Frog Vision
19. Molecule Microscopy
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19.1
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19.5
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Research Objective
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Applications of Molecule Microscopy
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Kinds of Molecule Microscope
Nanometer Resolution Scanning Desorption Molecule Microscopy
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Scanning Micropipette Molecule Microscopy (SMMM)
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Scanning Micropipette Molecule Microscopy - Boston University School of 118
Medicine Collaboration
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19.7 Desorption Studies
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19.8 Electrical Neutrality of Molecules
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20. Quantum Optics and Photonics
20.1 Precision Studies of Doppler-Free Lineshapes Generated by Pump-Probe
Interactions in a Vapor
20.2 Precision Experimental Studies of Collisionally Broadened Lineshapes Using a
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Pump-Probe Technique
20.3 Atom-Field Interaction in Atomic Beams
20.4 Laser Raman Microwave Clock
20.5 Passive Resonator "Gyroscope"
20.6 Fiberoptic Ring Resonator "Gyroscope"
20.7 Long-Term Wavelength Stabilization of Broadband Semiconductor Light Sources
20.8 Linewidth Reduction and Stabilization of Single Frequency Semiconductor Lasers
20.9 Optical Phase Conjugation in a Ring Resonator
21. Atomic Resonance and Scattering
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21.1 Resonant Multiphoton Ionization of Hydrogen
21.2 Atoms in Strong Magnetic Fields
21.3 Cavity Quantum Electrodynamics
21.4 Trapping of Neutral Atoms
21.5 High Precision Mass Measurement on Single Ions Using Cyclotron Resonance
21.6 Diffraction of an Atomic Beam by Transverse Standing Wave Laser Radiation
21.7 Vibrational Dependence of Rotational Rainbow Structure in Na2-Ar
21.8 Vibrationally Inelastic Collisions
22. Plasma Dynamics
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22.1 Tokamak Research: RF Heating and Current Drive
22.2 Nonlinear Wave Interactions - RF Heating and Current Generation in Plasmas
22.3 Physics of Thermonuclear Plasmas
23. Radio Astronomy
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23.1 Galactic and Extragalactic Radio Astronomy
23.2 Jovian Decametric Radiation
23.3 Jovian Decametric Radiation
23.4 Long-Baseline Astrometric Interferometer
23.5 Tiros-N Satellite Microwave Sounder
23.6 High-Spatial-Resolution Passive Microwave Sounding Systems
23.7 Video Bandwidth Compression Techniques
24. Digital Signal Processing
24.1 Introduction
24.2 Improved Paraxial Methods for Modeling Underwater Acoustic Propagation
24.3 Signal Reconstruction from Fourier Sign Information
24.4 Knowledge-Based Pitch Detection
24.5 Bearing Estimation of Wideband Signals by Multidimensional Spectral Analysis
24.6 The Estimate-Maximize(E-M) Algorithm and its Application to Signal Processing
Problems
24.7 Speech Synthesis from Short-Time Fourier Transform Magnitude Derived from
Speech Model Parameters
24.8 Reconstruction of a Two-dimensional Signal from its Fourier Transform Magnitude
24.9 Motion Compensated Noise Reduction for Motion Video Scenes
24.10 Knowledge-Based Harmonic Source Detection and Direction Determination
24.11 Knowledge-Based Speech Analysis and Enhancement
24.12 Estimation of the Degree of Coronary Stenosis Using Digital Image Processing
Techniques
24.13 Low Bit Rate Video Conferencing
24.14 The Curvature Spherical Image, a New Representation of 3-D Objects
24.15 Shallow Water Acoustic Inversion
24.16 Computing the Discrete Hartley Transform
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25. Cognitive Information Processing
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Advanced Television Research Program
25.1 Goals
25.2 Background
25.3 Research Activities in RLE
Computer Graphics and Image Processing
25.4 Picture Coding
25.5 Data Processing for the Graphic Arts
25.6 Computer Graphics Architectures
26. Electromagnetic Wave Theory and Remote Sensing
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26.1 Electromagnetic Waves
26.2 Remote Sensing with Electromagnetic Waves
26.3 Acoustic Wave Propagation Studies
26.4 Remote Sensing of Vegetation and Soil Moisture
26.5 Passive Microwave Snowpack Experiment
26.6 Remote Sensing of Earth Terrain
26.7 Active and Passive Remote Sensing of Ice
26.8 Electromagnetic Wave Propagation in High-speed Digital Integrated Circuits
27. Microwave and Quantum Magnetics
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27.1 New Techniques to Guide and Control Magnetostatic Waves
27.2 Optical and Inductive Probing of Magnetostatic Resonances
27.3 Magnetoelastic Waves and Devices
27.4 Microwave Hyperthermia
27.5 Synthesis of Microwave Applicators
28. Optical Propagation and Communication
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28.1 Atmospheric Optical Communications in Local Area Networks
28.2 Two-Photon Coherent State Light
28.3 Laser Radar System Theory
28.4 Fiber-Coupled External-Cavity Semiconductor High Power Laser
29. Publications and Reports
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29.1 Meeting Papers Presented
29.2 Journal Papers Published
29.3 Journal Papers Accepted for Publication
29.4 Letters to the Editor Published
29.5 Letters to the Editor Accepted for Publication
29.6 Special Publications
29.7 Technical Reports Published
30. Personnel
31. Research Support Index
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