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Quantum Key Distribution 3-Db Bandwidth Spot Size Converter(SSC) Planar Lightwave Circuit(PLC) Coherent Receiver Free Space Laser Diode(LD) Polarization Dependent Loss Silica-Based Waveguide Photodiodes(WGPD) Chip-To-Chip 40 Gb/S Selective Area Growth Waveguide Photodetector Return Loss(RL) Optical Receiver Integrated Waveguide Single Photon Source Driver Amplifier Eye Diagram High Responsivity Low Polarization Coherent Optical Orthogonal Frequency Division Multiplexing(CO-OFDM) DP-QPSK 3.5 Ghz 45 Ghz Alignment Tolerance Quantum Bit Error Rate Coplanar Waveguide Feeding(CPW) Silicon Carbide(3C-SiC) Cost-Effective Polarization Beam Splitter(PBS) Reference Frame 6 Ghz 30 Ghz Polarization Extinction Ratio System-On-Package Distribution System Right-Angle Distributed Feedback (Dfb) Laser Dry Etching Processes Side Channel Inp-Based Real-Time Optical Feedback Receiver Module Ofdm Transmission Traveling-Wave Electroabsorption Modulator(TWEAM) Transimpedance Amplifier(TIA) Surface Plasmon Polariton(SPP) Growth Method Stand-Alone Beam Tracking 16 Quadrature Amplitude Modulation(16QAM) Simulation Results Low-Cost Wide Bandwidth 100 Mhz Large Area Micro-Optics Transmitter And Receiver DP-16QAM Dual-Polarization Optical Module Integrated Laser Test Structures Optical Waveguides Tracking System Channel Estimation(CE) Optical Ofdm Unambiguous State Discrimination 780 Nm Two-Step Low-Frequency Absorbing Layer Local Oscillator Filtering Technique Te Mode Test-Bed Quantum States Advanced Technology Insertion Loss Printed Circuit Board(PCB) Ultra-Large Bias Tee Parallel Type Coupling With 39 Ghz Antireflection Coating Finite Difference Time Domain(FDTD) Mach-Zehnder Interferometer(MZI) Subcarrier Modulation Laser Module As 2 Intensity Fluctuation Traveling-Wave Electrode Device Lifetime Rf Performance Attack Strategy Semiconductor Lasers Far-Field Random Bit Generation Active Layer Bonding Technology Fiber Coupling Dual-Channel Photon Sources Butt-Coupling Digital Signal Processing Measurement Setup Optical Response Threshold Current Optical Packaging Leakage Current Space Link Highly Reliable Balanced Photodiode By-Pass Device Failure Standard Single-Mode Fiber Intrinsic Layer Electrical Properties(I-V curve) Optical Source 38 Ghz High Gain Optical Interconnection High-Frequency Characteristics Module Design On-Chip Short Pulse Laser Nonreturn-To-Zero (Nrz) Quantum Communication Field Angle Design And Fabrication System Integrated Degradation Mechanism Full Range Response Measurement P-N Junction Transmission Line Finite-Difference Beam Propagation Method Petri Net(PN) Parasitic Components Plc Technology Highly Sensitive Integrated Optical Circuits Index Contrast Hybrid Assembly Structure-Dependent Ofdm Signal Waveguide Integrated Phase Offset Integrated Module Model Parameter Linear Regime New Type Simulated Data Time-Domain Method Ingaas Waveguide Refractive Index High Performance Strained Quantum Wells Ionic Impurities Computationally Efficient Optical Absorption Efficiency Temporal Filtering Mems-Based Polymer Films High-Speed Operation Buried Heterostructure (Bh) Laser Spontaneous Emission Front-End Fiber-Based Wet Etching Process Electroabsorption Modulated Laser(EML) Hybrid Integration Frequency Domain(FD) Vertical Bending High Temperature Storage Flip-Chip Bonding Operating Temperature Current Path Active Compensation Flip-Chip Technology Propagation Loss Background Noise Output Power Power Ratio Circuit Model Off-Line Applied Physics Optical Transmitters Coupled With Matching Layer Numerical Technique Passivation Layer Support Project Forward Error Correction(FEC) Silicon Photonics Carrier Frequency Offset Process Tolerance Phase Shift Fabrication Process Taper Structure Promotion Strategy Statistical Analysis Phase Difference Array Chip Transverse-Magnetic Polarization High-Power Characteristics Photon Pulses Long-Range Surface Plasmon Bandwidth Measurement Transverse Magnetic (Tm) Mode Bending Loss System Performance Flexible Printed Circuit Communication Security 1310 Nm Broader Bandwidth Compact Polarization Noise Filtering Pin Photodiodes Single Quantum Well Communication Applications Analog Interface Common Mode Rejection Ratio Evanescent Coupling Activation Energy Accelerated Life Test Polymer-Based Electrical Response Monolithically Integrated Fabrication And Characterization Four-Channel Dc Bias Current Output Characteristics Optimized Structure Optoelectronics Packaging Electrical And Optical Properties Numerical Analysis Optimized Design Rf Transmission Coupling Efficiency Coupling Structure Unconditional Security Simulation And Experiment Optical Hybrid Back-To-Back N-Doped Simple Method Digital Signal Processor(DSP) Telecommunication Wavelength Digital Communication System Distributed Feedback Lasers(DFBs) Optical Components Absorption Layer Photodetector Array Fast Steering Mirror 20 Nm Array Signal Processing Signal Noise Ratio(SNR) Distribution Test Silica Hybrid Optical Signal-To-Noise Ratio(OSNR) Filtering Effect Security Performance Optical Communications Computational Efficiency Polarization Splitting Countermeasure Strategy Polarization Interleaving Analysis And Design Epitaxial Layer Multimode Fiber Projective Measurements Eye Opening Optical Misalignment Slope Efficiency Active Polarization Challenging Issues Breakdown Voltage(BDV) Communication Module Offset Tolerance(OT) Quantitative Effects Free-Standing 100 Gbps Quadrature Phase Optical Characteristics Uni-Traveling-Carrier Photodiode(UTC-PD) Full-Wave Analysis Short Wavelength Pre-Amplifier 2 Mm Frequency Response(FreRes) Coherent Detection Signal Transmission Dark Current Cross Section Delay Line Driving Conditions Attack Model Large Chip Frequency Offset Compensation Coupling Loss Field Programmable Gate Arrays(FPGA) Coherent Optics 1550 Nm Experiment Results Oscillation Period Fabry-Perot Cavity Soft-Decision Internal Bias Variable Optical Attenuator(VOA) Current Condition Inductive Peaking Tapered Waveguide Synchronization Method Advanced Modulation Formats Bandwidth Control Metalorganic Chemical Vapor Deposition Polarization Ratio Coherent Optical Communication Optimum Structure Low Loss Performance Optimization Optical Splitter Fpga Implementation Optical Confinement Radio Frequency (Rf) Multi-Polarization