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Differential cross-polarization modulation (DXPoM) wavelength conversion using a semiconductor optical amplifier has been proposed to outperform substantially traditional cross-polarization modulation...
Gain-Clamped Semiconductor Optical Amplifiers for Reach Extension of Coexisted GPON and XG-PON
GPON XG-PON Gain-Clamped Semiconductor Optical Amplifiers
2015/5/18
Optical amplification of coexisted GPON and XG-PON upstreams is demonstrated using a gain-clamped semiconductor optical amplifier (SOA). With gain clamping, performance degradation due to the cross-ga...
Highly Efficient Columnar-Quantum-Dot Semiconductor Optical Amplifier in High Temperature Condition
Semiconductor optical amplifiers Quantum dot devices
2015/6/8
A less temperature dependent columnar-quantum-dot semiconductor optical amplifier(CQD-SOA) with high efficiency is developed. At 50°C, a high penalty-free output power of~12 dBm together with a high g...
40Gbps,3-bit Operation of a Semiconductor Optical Digital-to-Analog Converter
Semiconductor Optical Digital-to-Analog Converter
2015/7/14
We demonstrate 40Gbps, 3-bit-operation of a semiconductor optical digital-to-analog converter consisting of MMI couplers and delay lines. We achieved output with 7-level amplitude with fixed phase suc...