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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
2011/5/20
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...
Efficient Digital Coherent Detection of A 1.2-Tb/s 24- Carrier No-Guard-Interval CO-OFDM Signal by Simultaneously Detecting Multiple Carriers Per Sampling
Coherent communications Phase modulation
2010/6/10
We experimentally demonstrate efficient detection of a 1.2-Tb/s 24-carrier NGI-CO-OFDM signal with 12.5-Gbaud PDM-QPSK carrier-modulation by simultaneously recovering 2 or 3 carriers per 50-GSamples/s...
Continuous,Real-Time,Full-Field Waveform Measurements via Spectral Slicing and Parallel Digital Coherent Detection
Homodyning Phase measurement Ultrafast measurements
2010/6/10
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 ...
Digital Coherent Detection of Multi-Gigabit 16-QAM signals at 40 GHz Carrier Frequency using Photonic Downconversion
Digital Coherent Detection Multi-Gigabit Carrier Frequency Photonic Downconversion
2009/7/21
We experimentally demonstrate detection of multi-gigabit 16-QAM modulated signals, of up to 4 Gb/s, at a 40 GHz carrier frequency by combining photonic downconversion and low bandwidth electronics.
Real-time Implementation of Digital Coherent Detection
Real-time Implementation Digital Coherent Detection
2009/7/15
The implementation of algorithms for coherent detection of advanced modulation formats imposes constraints. A hardware-efficient phase estimator is presented, and measurement results with a CMOS recei...
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
2008/8/6
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...
20× ×112Gbit/s, 50GHz spaced, PolMux-RZ-QPSK straight-line transmission over 1540km of SSMF employing digital coherent detection and pure EDFA amplification
PolMux-RZ-QPSK SSM digital coherent detection EDFA amplification
2008/8/3
By using PolMux-RZ-QPSK modulation format and digital coherent detection, we have demonstrated 20×112Gbit/s DWDM transmission over 1540km of SSMF without using Raman amplification or optical dispersio...
Wavelength Conversion for 112Gbit/s PolMux-RZ-QPSK Signals Based on Four-Wave Mixing in High-Nonlinear Fiber Using Digital Coherent Detection
Wavelength Conversion High-Nonlinear Fiber Digital Coherent Detection
2008/7/30
Dual-pump wavelength conversion for 112Gbit/s polarization multiplexing RZ-QPSK signals based on four-wave-mixing in 1km high-nonlinear fiber with digital coherent detection has been demonstrated for ...