Channel-tunable mode-locked laser transmitter for OTDM networks and modeling of mode-locked semiconductor laser.

by Hung Wai.Thesis (M.Phil.)--Chinese University of Hong Kong, 2000.Includes bibliographical references (leaves 69-[73]).Abstracts in English and Chinese.Chapter 1 --- Introduction --- p.1Chapter 1.1 --- All Optical Multi-Access Network --- p.1Chapter 1.2 --- Multi-access Techniques --- p.2Chapter 1.2.1 --- Wavelength-Division Multi-access (WDMA) --- p.2Chapter 1.2.2 --- Subcarrier Multi-Access (SCMA) --- p.3Chapter 1.2.3 --- Time-Division Multi-Access(TDMA) --- p.3Chapter 1.3 --- Numerical Modelling of Semiconductor Mode-locked laser --- p.4Chapter 1.4 --- Objective of this Thesis --- p.5Chapter 2 --- Optical TDMA networks --- p.7Chapter 2.1 --- Introduction --- p.7Chapter 2.2 --- OTDM --- p.8Chapter 2.3 --- Network Architecture --- p.9Chapter 2.3.1 --- Broadcast Networks --- p.9Chapter 2.3.2 --- Switch-based networks --- p.10Chapter 2.4 --- Key technologies for optical TDMA Network --- p.13Chapter 2.4.1 --- High Repetition Rate Short Pulse sources --- p.13Chapter 2.4.2 --- Multiplexer and de-multiplexers --- p.15Chapter 2.4.3 --- Optical Clock Recovery --- p.17Chapter 2.4.4 --- All optical logic gates --- p.18Chapter 2.5 --- Summary --- p.19Chapter 3 --- A Channel-Tunable Mode-locked Laser Transmitter for OTDM Networks --- p.20Chapter 3.1 --- Introduction --- p.20Chapter 3.2 --- Principle of Operation --- p.21Chapter 3.3 --- Experimental Demonstration --- p.23Chapter 3.4 --- The Channel Tuning Transient --- p.25Chapter 3.5 --- Experimental Investigation of channel-tuning transient --- p.28Chapter 3.6 --- Summary --- p.37Chapter 4 --- Modeling of Mode-Locked Semiconductor Laser --- p.38Chapter 4.1 --- Introduction --- p.38Chapter 4.2 --- Principle of Mode-Locking --- p.39Chapter 4.3 --- Simulation Model --- p.41Chapter 4.3.1 --- Travelling Wave Rate Equation Analysis --- p.41Chapter 4.3.2 --- Large Signal Time Domain Mode-locked Laser Model --- p.42Chapter 4.3.3 --- Modeling of Spontaneous Noise --- p.44Chapter 4.3.4 --- Modeling of Self-phase Modulation --- p.44Chapter 4.3.5 --- Frequency Dependent Gain Profile --- p.45Chapter 4.3.6 --- Computation Procedure --- p.45Chapter 4.4 --- Device Parameters --- p.47Chapter 4.5 --- Simulation Results on Passive Mode-locking --- p.48Chapter 4.5.1 --- Pulse Repetition Rate under Passive Mode-locking --- p.48Chapter 4.5.2 --- The effect of Differential Gain and Differential Absorption on Mode-locking Regimes --- p.50Chapter 4.5.3 --- The Effects of Linewidth Enhancement Factor and Ab- sorber Carrier Lifetime on Mode-locking Pulse Width --- p.53Chapter 4.6 --- Simulation Results on Hybrid and Subharmonic Mode-locking --- p.54Chapter 4.6.1 --- Modeling the Effect of Modulation on Absorber Section --- p.54Chapter 4.6.2 --- Modulation Phase Change Dynamics --- p.55Chapter 4.6.3 --- Subharmonc Mode-Locking Induced Amplitude Modulation --- p.62Chapter 4.7 --- Summary --- p.64Chapter 5 --- Conclusion --- p.66Chapter 5.1 --- Summary of the Thesis --- p.66Chapter 5.2 --- Future Work --- p.67Bibliography --- p.6