ABSTRACT
V C S E L s........................................................................................ 190 2.3. Modal Noise in VCSEL-Based Optical L i n k s ........................ 192 2.4. Dispersion and L o s s .................................................................... 197
3. Parallel Optical Data L in k s ............................................................ 198 3.1. Parallel Optical Data Links Based on VCSELs —
A S u m m a ry ................................................................................200 3.2. Parallel Optical Link Organization (POLO) — Protoype of
a VCSEL-Based Parallel Optical Data L i n k ............................200 3.3. Improvements in VCSEL A rrays................................................ 208
4. Reconfigurable Optical Interconnects and Optical Mulit-Access N e tw o rk s ............................................................................................. 209 4.1. Optical Multiplexing Technologies............................................ 211 4.2. Wavelength Division Multiplexing using Wavelength-
Graded VCSEL Arrays ................................................................ 214 4.2.1. Design of Monolithic Wavelength-Graded VCSEL
A rray s............................................................................... 216 4.2.2. The Growth of Multi-Wavelength VCSEL Arrays by
Topography-Controlled E p ita x y ....................................221 4.2.3. Proton-Implanted Multi-Wavelength VCSEL Arrays 222 4.2.4. Oxide-Confined Multi-Wavelength VCSEL Arrays . 226 4.2.5. Wavelength-Selective and Wavelength-Graded
Photodetector Arrays ................................................... 229 4.2.6. Design of Resonance-Enhanced Photodetectors and
Their Integration With V C S E L s................................... 231
4.2.7. Characteristics of Monolithic, Wavelength-Graded REPD A rray s............................................................... 235
4.2.8. Wavelength Multiplexing and Demultiplexing Using Multi-Wavelength VCSEL and REPD Arrays . . . 237
4.3. Time-Division-Multiplexing Using VCSEL Arrays . . . . 239 4.3.1. A Single-Step Technique for Generating Directly
Modulated, Pulse-Compressed, Variably-TimeDelayed, and Time-Interleaved Optical Data . . . . 239
4.3.2. Optical Networks Combining Time and Wavelength M ultiplexing...................................................................245
