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Broadband Wavelength Conversion with S/C/L-band Flexible Operation Using Cross-Gain-Modulation in a Single Quantum Dot SOA
All-optical devices Quantum-well dot devices
2015/5/22
We experimentally demonstrated operating original and converted wavelengths flexible wavelength conversion using cross-gain-modulation in a single quantum dot semiconductor optical amplifier with cove...
FSK+ASK/ASK Operation for Optical 20/10 Gbps Access Networks with Simple Reflective User Terminals
FSK+ASK/ASK Operation Access Network User Terminals Simple Reflective
2015/5/18
Doubling of the downstream rate by reusing the reflective upstream modulator is demonstrated. With just two photo-detectors, a RSOA and a power splitter at the ONU, a 20/10 Gbps mode can be provided p...
Two-Stage Constant Modulus Algorithm Equalizer for Singularity Free Operation and Optical Performance Monitoring in Optical Coherent Receiver
Fiber optics communications Coherent communications Polarization
2015/6/5
A two-stage constant-modulus-algorithm (CMA) equalizer for polarization-demultiplexing in a polarization-division-multiplexed coherent receiver is demonstrated. The equalizer eliminates the singularit...
2.5 Gbps Operation of RSOA for Low Cost WDM-PON Sources
Operation RSOA Cost WDM-PON Sources
2015/7/17
We present design issue of RSOA and report fabricated-device/packaged-module characteristics for WDM-PON. Optical gain, 3dB ASE bandwidth and polarization dependent gain were about 25 dB, 35 nm and le...
First Demonstration of 10-Gbit/s Operation of an All-Optical Error Detection Circuit
All-Optical Error Detection Circuit
2015/8/4
We demonstrate the operation of an all-optical error detection circuit consisting of all-optical XOR gates using SOA-MZI’s. We could successively observe error signals in the syndrome.
Fast Operation of a Broadband All-Optical Flip-Flop Based on a Single DFB-laser Diode
All-Optical Flip-Flop Single DFB-laser Diode
2015/8/3
We demonstrate an all-optical flip-flop based on a single DFB-laser diode with repetition rates up to 2 GHz,set/reset-pulses of 7 ps and 200 fJ, a switch-on time of 75 ps and a switch-off time below 2...
Dynamic Operation of All-Optical Flip-Flop based on a Monolithic Semiconductor Ring Laser
All-Optical Flip-Flop Monolithic Semiconductor Ring Laser
2015/8/3
A monolithic semiconductor ring laser (SRL) is demonstrated as a fully all-optical Flip-Flop that can be triggered by optical pulses of 400 ps duration, showing 130 ps response time.