搜索结果: 1-15 共查到“光电子技术 Coherent Detection”相关记录16条 . 查询时间(0.155 秒)
Time-Stretch Analog-to-Digital Conversion Using Phase Modulation and Broadband Balanced Coherent Detection for Improving Resolution
Fiber optics links subsystems Radio frequency photonics
2015/5/22
We introduce a novel implementation of time-stretch analog-to-digital conversion which uses phase modulation and balanced coherent detection for improving resolution. Proof of concept experiment demon...
Performance Investigation of Polarization-Multiplexed 16-QAM using All-Optical OFDM Transmission and Digital Coherent Detection
Performance Investigation Polarization-Multiplexed All-Optical OFDM Transmission Digital Coherent Detection
2015/5/20
We generated a 500-Gb/s AO-OFDM signal with DP-16QAM modulating each subcarrier and detected the signal using coherent detection. We investigated the effects of DSP oversampling and receiver bandwidth...
Ultimate Single-Carrier Recovery for Coherent Detection
Ultimate Single-Carrier Recovery Coherent Detection
2015/5/20
Proposed adaptive decision-feedback CR method is “ultimate” in the sense that it is ML/MMSE optimal (its performance cannot ever be exceeded) while its complexity vs. the num-ber of taps, L, is lowest...
8b10b Line Coding of PSK Signals for Effective Homodyne Coherent Detection
Line Coding PSK Signals Homodyne Coherent Detection
2015/5/15
We demonstrate effective homodyne optical phase locking to a phase-shift-keying (PSK) signal with residual carrier by exploiting 8b10b coding. Low-penalty transmission over 215 km of installed dispers...
Phase Division Analysis for Intradyne Coherent Detection in Nonlinear Regime
Nonlinear Regime Intradyne Coherent Detection Phase Division Analysis
2015/5/15
We propose a phase division analysis method that adaptively moderates nonlinear distortion revealed in intradyne QAM receivers. The received signals are de-interleaved in accordance with recovered car...
Continuous,Real-Time,Full-Field Waveform Measurements via Spectral Slicing and Parallel Digital Coherent Detection
Homodyning Phase measurement Ultrafast measurements
2015/6/10
Single-shot, amplitude and phase characterization of 160-GHz bandwidth optical wave-forms with 2-μs record lengths using a bandwidth- and time-record scalable technique based on parallelized balanced ...
Experimental Study on Broadband Nonlinear Phase Wandering in Coherent Detection Long-Haul Transmissions
Coherent communications Fiber optics communications
2015/6/9
We investigate fast phase wandering observed in coherent detection long-haul transmission experiments. We demonstrate the phase wandering is a broadband nonlinear effect.We compare its impact on diffe...
Transmission of 42.8-Gb/s Polarization Multiplexed RZ- QPSK DWDM Signals over 3900 km with 12.5-GHz Channel Spacing and Coherent Detection
Fiber optical communications Fiber optics links subsystems
2015/6/9
We have experimentally demonstrated 42.8Gb/s DWDM transmission over 3900km SMF-28 with 12.5-GHz channel spacing and coherent detection. Eight polarization-multiplexed-RZ-QPSK signals have been success...
100 Gb/s Per-Channel Free-Space Optical Transmission with Coherent Detection and MIMO Processing
Per-Channel Free-Space Optical Transmission Coherent Detection MIMO Processing
2015/7/20
We experimentally demonstrate the first 100 Gb/s per-channel free-space optical transmission using polarization-multiplexed QPSK, coherent detection, and MIMO processing. This is the highest per-chann...
Long Reach and Enhanced Power Budget DWDM Radio-over-Fibre Link Supported by Raman Amplification and Coherent Detection
Enhanced Power Budget DWDM Radio-over-Fibre Link Supported Raman Amplification
2015/7/17
We report on a scalable and enhanced power budget radio-over-fibre system for hybrid-wireless access networks operating at 12.5 GHz DWDM spacing for 5 GHz RF carriers over a 60 km fibre link with Rama...
111 Gb/s Transmission with Compensation of FBG-induced Phase Ripple Enabled by Coherent Detection and Digital Signal Processing
FBG-induced Phase Ripple Enabled Coherent Detection Digital Signal Processing
2015/7/17
We demonstrate that coherent detection combined with digital signal processing can completely compensate for FBG induced phase-ripple. We report penalty free transmission of 40x111-Gb/s POLMUX-RZ-DQPS...
Coherent Detection of a 50 Gb/s QPSK Signal Using an InP 90°Hybrid Monolithically Integrated with Balanced Photodetectors
Coherent Detection QPSK Signal Hybrid Monolithically Integrated
2015/7/17
Error-free detection of a single-polarization 50 Gb/s NRZ-QPSK signal using a coherent detector based on monolithic integration of a waveguide 90°hybrid with two pairs of high-speed balanced photo-det...
17 Tb/s (161×114 Gb/s) PolMux-RZ-8PSK transmission over 662 km of ultra-low loss fiber using C-band EDFA amplification and digital coherent detection
PolMux-RZ-8PSK transmission ultra-low loss fiber C-band EDFA amplification
2015/8/6
Employing PolMux-RZ-8PSK modulation and coherent detection, we demonstrate 25 GHz-spaced, 161 ? 114 Gb/s DWDM transmission through eight spans of ultra-low-loss fiber (average span length/loss of 82.7...
QPSK Transmission over Free-Space Link at 3.8 ?m using Coherent Detection with Wavelength Conversion
QPSK Transmission Free-Space Link Coherent Detection Wavelength Conversion
2015/7/31
We demonstrate the first mid-infrared free-space optical link employing coherent detection and parametric wavelength conversion.
Coherent Detection of Wavelength Division Multiplexed Phase- Modulated Radio-over-Fibre Signals
Wavelength Division Multiplexed Phase- Modulated Radio-over-Fibre Signals
2015/7/31
A WDM phase-modulated Radio-over-Fibre link using digital coherent detection is experimentally demonstrated.3x50Mb/s WDM transmission of a BPSK modulated 5GHz RF carrier is achieved over 25km.