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Extinction Ratio Selective Area Growth Power Penalty Side Mode Suppression Ratio(SMSR) Distributed Feedback Laser Diode Wavelength Converter Dual-Mode Laser Distributed Feedback Lasers(DFBs) Self-Pulsation Laser Diode Array Low-Cost Threshold Current Continuous-Wave Terahertz Terahertz Generation Semiconductor Lasers Superluminescent Diodes(SLDs) Injection Locking High Power Opening Width Thz Generation 10 Ghz Semiconductor Device Applied Physics All-Optical Clock Recovery Multi-Quantum-Well Fiber-Coupled Data Center Networks E-Beam Lithography Light Sources 3r Regeneration Eye Opening Spectral Bandwidth Beat Frequency Spectral Modulation Gain Spectrum Timing Jitter Experimental Demonstration Frequency Tuning Range High Output Power Multi-Wavelength Nonreturn-To-Zero (Nrz) Pseudorandom Bit Sequence Self-Pulsating Laser Water Vapor Multi-Channel Free Space Flexible Printed Circuit Board(FPCB) Multi-Section Phase Control Anti-Reflection Hybrid Laser Waveguide Structure Wavelength Division Multiplexing(WDM) Active Region Communication Technologies Format Conversion Modulation Bandwidth Multiple-Quantum-Well(MQW) Optical Feedback Single-Mode Operation Single-Mode Laser Terahertz Time-Domain Spectroscopy Grating Structure Single-Mode Waveguide Thz Emitter Thermal Resistance Rate Enhancement Semiconductor Optical Amplifiers(SOAs) Higher Mode Millimeter Waves(MMW) Optical Beat Source Optical Devices Ridge Waveguides(RWs) Simulation Results Crack-Free Low Growth Temperature Absorption Coefficient Band Rejection Filters Buried Heterostructure Channel Gain Cavity Mode Control Section Components Technology Full-Width At Half-Maximum(FWHM) Gan Templates High Growth Rate Hole-Burning Integrated Laser Internal And External In-Between Mqw Laser Narrow Linewidth Optical Frequency Up-Conversion Optical Source Phase Section Photonic Devices Phase Shift Keying Parasitic Capacitance Radio Frequency(RF) Standard Single-Mode Fiber Stimulated Emission Third Harmonic V/Iii Ratio Ultraviolet Laser Diode 60 Ghz Band 10 Gbit/S 300 Ghz And Thermal Conductivity Center Wavelength Dislocation Density Data Rate High Performance Guided Modes Gain Control Integration Module Initialization Vector(IV) Lateral Growth Low Temperature(LT) Local Oscillator Multiple Modes Mode Beating Optical Filters Precise Control Peak Power Variation Quadrature-Amplitude Modulation(QAM) Root Mean Square(RMS) Spatial Hole Spectral Quality Two-Step Uniform Temperature Wavelength Conversion Wavelength Tunable Harmonic Signal Generation Crystal Quality Cost-Effective Complex Coupling Diffusion Model Feed-Through Highly Efficient Hybrid Mode-Locking(HML) Hybrid Integration Inp-Based Modulated Signal Mole Fraction Module Packaging Numerical Simulations National Defense Optical Confinement Factor Power Ratio Optical Data P-Inp Silicon Waveguide Smart Lighting Three Dimensional(3D) 79 Ghz Direct Injection Band-Gap Energy Circuit-Based Clock Signal Continuously Tunable Efficient Coupling Hybrid Module High Side Harmonic Frequency I-V Measurement Input Signal Inp Semiconductor Low Power Consumption Log-Spiral Antenna Lasing Characteristics Mach-Zehnder Interferometer(MZI) Optical Band Operational Performance Optically Pumped Peak Wavelength Platform Development Single Longitudinal Mode(SLM) Short-Length Transmission Properties Thz Spectrometer Terahertz Detector Temperature Profile Uv Laser Wafer-Scale 20 Nm Alternating Current(AC) Asymmetric Coupling Arrayed Waveguide Grating(AWG) Building Block Back-To-Back Compound Cavity Compressively Strained Datacentre Networks Fabrication And Characterization Main Building Monolithically Integrated Pulsation Characteristics Quantum-Well Laser Diodes Radio Signal Signal Quality Second Step Scanning Electron Microscope Images Transmission Distance Ultraviolet A Wide Tuning Range Wave Equation 3-Db Bandwidth Electron Beam Lithography Active Waveguide An Optical Fiber All-Optical Signal Processing Broad Band Cross Point Crossing Effect Cavity Length Clock Extraction Cladding Layer Compound Semiconductor Distributed Bragg Reflector Laser Electroabsorption Modulator(EAM) Gan-Based High-Frequency Radio High Bandwidth Low Pressure Maximum Output Power Mocvd Growth Optical Spectrum Optical 2r Regeneration Radio Over Fiber(ROF) Single Channel Simple Technique First Stokes(S1) Static And Dynamic Properties Structure Parameters Semiconductor Chip Thz Wave Thz Radiation Transmitter Optical Sub-Assembly Transverse Mode Vertical Growth Wavelength Control Wide Frequency All-In-One Amplitude Noise Bit-Error-Rate(BER) Coupling Coefficient Coupling Loss Computer Vision(CV) Coherent Detection Current Blocking Structure Deep-Ridge Waveguide Dfb Laser Array Detection Scheme Frequency Tunable Grating Mirror Gan Substrate Gas-Phase Diffusion Independent Tuning Low Amplitude Measured Data Mode Profile Optoelectronic Devices Passively Mode-Locked Laser Diode(PMLLD) Pulsation Frequency Silicon Layer Steady State Spectral Width Saturable Absorber Single Grating Time-Domain Spectroscopy System Thz-Tds Thz Time-Domain Spectroscopy(THz-TDS) Thz System Short Distance Wavelength Tuning Wavelength Shift Fast Scanning 5 Ghz Bragg Grating(FBG) Directly Modulated Laser(DML) Dielectric Layer Eye Patterns External Optical Injection Growth Mode Gain Section Layer Thickness Measurement Techniques Millimeter-Wave Generation Optical Pumping Processing Technique Optical Modes Operation Range Passive Mode-Locking(PML) Photoluminescence Spectra Relative Ratio Stability Analyses Sapphire Substrates Time-Resolved Thermal Simulation Widely Tunable