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Coherent Optical Orthogonal Frequency Division Multiplexing(CO-OFDM) Free Space Planar Lightwave Circuit(PLC) Coherent Receiver Optical Ofdm Single-Photon Source Spot Size Converter(SSC) Silica-Based Real-Time 16 Quadrature Amplitude Modulation(16QAM) Tracking System Distribution System Ofdm Transmission DP-QPSK Field Demonstration Integrated Waveguide Silicon Carbide(3C-SiC) Side Channel Cost-Effective Receiver Module Polarization Beam Splitter(PBS) Chip-To-Chip Laser Diode(LD) Ofdm Systems 3-Db Bandwidth Reference Frame Digital Signal Processing Waveguide Photodetector Beam Tracking Quantum Bit Error Rate Quantum Communication Polarization Extinction Ratio Full Range Transmission Performance 6 Ghz Ofdm Signal Polarization Dependent Loss Photon Pairs Quantum Information Silicon-Based Single Photon Detector Transimpedance Amplifier(TIA) Sampling Frequency Wdm System Stand-Alone Low-Cost Optical Attenuators Soft-Decision Transmitter And Receiver Large Area 1550 Nm Micro-Optics Simulation Results Semiconductor Quantum Dots 100 Mhz Synchronization Method Pre-Emphasis Variable Optical Attenuator(VOA) On-Chip Alignment Tolerance Channel Estimation(CE) Channel Integration Dual-Polarization DP-16QAM Plc Technology Wdm Transmission Unambiguous State Discrimination 780 Nm Test-Bed Filtering Technique Local Oscillator Research Network Quantum States Timing Offset Ultra-Large Fiber-Based High Responsivity Hardware Efficient Hybrid Integration Secure Communication Printed Circuit Board(PCB) Photonic Circuit Array Chip Polar Modulation Waveguide Photodiodes(WGPD) Subcarrier Modulation Mach-Zehnder Interferometer(MZI) Semiconductor Lasers Optical Hybrid Rf Performance Attack Strategy Fast Steering Mirror Intensity Fluctuation Low Polarization Digital Signal Processor(DSP) Optical Communications Beam Propagation Method Bandwidth Limited Bonding Technology Chinese Remainder Theorem(CRT) Random Bit Generation Spectral Efficiency(SE) Wide Range Research Trends Butt-Coupling Coherent Detection Dual-Channel Essential Element Fiber Coupling Field Installed Measurement Setup Optical Path Optical Source Optical Packaging Type-I Single Frequency Short Pulse Laser Atmospheric Turbulence Bit Allocation Balanced Photodiode By-Pass Conversion Process Components Technology Design And Fabrication Electrical Properties(I-V curve) Guard Interval Information Technology Inverted Pyramid Response Measurement System Integrated Space Link Standard Single-Mode Fiber 16qam Transmission Software-Defined Networking(SDN) Performance Improvement Quantum Computer Spatial Intensity Distribution Transmission System Transmission Line Thermo-Optics Effect Structure-Dependent Spontaneous Emission Asynchronous Processor Beam Combiner Computationally Efficient Color Center Correlated Photon Coincidence Counting Constant Velocity Dispersion Precompensation Data Rate High Performance High-Speed Operation Hybrid Assembly Intensity Distributions Index Contrast In-Phase Kalman Filter Integrated Optical Circuits III-V Mems-Based Reconfigurable Optical Add/Drop Multiplexer Self-Assembled Phase Offset Phase Rotation Photodiode Array Polarization State Quantum Random Number Generator Quantum Key Distribution Protocol Spontaneous Parametric Down-Conversion Three Channels Transmission Experiment Two-Step Temporal Filtering Applied Physics Optical Beam Off-Line National Defense Telecom Wavelength Two-Dimensional Materials Room-Temperature Active Compensation Background Noise Coarse Wavelength Division Multiplexing(CWDM) Coupled With Discrete Fourier Distribution Free Different Wavelengths Estimation Method Entangled States Flip-Chip Bonding Forward Error Correction(FEC) Flip-Chip Technology Frequency Domain(FD) Interference Compensation Inp-Based Insertion Loss Ion Trap Matching Layer Range Estimation Silicon Photonics Squeezed State Single Emitter Phase Difference Phase Shift Process Tolerance Photon Counting Position Detectors Promotion Strategy Support Project Analog Interface Noise Filtering Ofdm Synchronization Common Mode Rejection Ratio Technical Challenges System Performance Based System Bandwidth Measurement Communication Technologies Compensation Technique Communication Applications Coupling With Cfo Estimation Communication Security Compact Polarization Coarse Tracking Flexible Printed Circuit Hardware Complexity Key Components Integrated Quantum Photonics Inas Qds Limited Space 45 Ghz Enhanced Performance Inas Quantum Dots Photon Pulses Public Key Cryptography Wavelength-Selective Quantum Simulation Quantum Computation Quantum Devices Platform Development Ultralow Power(ULP) Well-Defined Total Distance Transverse-Magnetic Polarization Sensor Node Array Signal Processing N-Doped Optical Components Unconditional Security Transfer Technique Simple Method Bit Loading Back-To-Back Coupling Structure Chromatic Dispersion(CD) Dc Bias Current Fiber-Coupled Fabrication And Characterization Four-Channel High Efficiency Information And Communications Technologies(ICTs) Monolithically Integrated Mechanical Shock Rf Transmission Solid State Signal Noise Ratio(SNR) Photodetector Array Polarization Division Multiplexing(PDM) Performance Degradation Wavelength-Division-Multiplexing Passive Optical Network(WDM-PON) Timing Metric Telecommunication Wavelength Security Performance Optical Wavelength Optical Misalignment Optical Signal-To-Noise Ratio(OSNR) Random Position Active Polarization Computational Efficiency Countermeasure Strategy Compound Semiconductor Distribution Test Dichroic Mirrors Filtering Effect Integrated Components Multimode Fiber Selective Area Growth Silica Hybrid Single Channel Symbol Timing Synchronization Polarization Interleaving Periodically Poled Linbo3 Waveguide Polarization Splitting Projective Measurements Quantum Light Sources Quantum Sensing 16-Ary Quadrature Amplitude Modulation Noncollinear Phase Matching Offset Tolerance(OT) Attack Model Carrier Frequency Offset Estimation Challenging Issues Delay Line Driving Conditions Field Trial Full-Band Frequency Offset Compensation Generation Mechanism 100 Gbps Short Distance Site-Controlled Qds Signal Transmission Short Wavelength Photon Number Qpsk Modulation Quadrature Phase Quantitative Effects Time-Domain Non-Linear Optimum Structure Optical Splitter Oscillation Period Tracking Error Ratio Optimization Advanced Modulation Formats Current Condition Coherent Optical Communication Coherent Optics Computational Complexity Computing Applications Correlation Properties Entangled Photon Sources Field Programmable Gate Arrays(FPGA) Fpga Implementation Four-Wave Mixing(Fwm) Fabry-Perot Cavity Hardware Implementation Low Noise Moving Platforms Multi-Polarization Size Distribution Performance Optimization Wide Bandwidth Quantum Sensor Quantum Computing Training Symbol