Optical phase-locking among phase-conjugated twin waves and free-running pump by using sum-frequency and second harmonic generation assisted OPLL for ND-PSA repeaters

Authors :: Kotaro Kondo
Yasuhiro Okamura
Masafumi Koga
Atsushi Takada
Yuya Ohmichi
Source :: Conference on Lasers and Electro-Optics.
Publication Year :: 2016
Publisher :: OSA, 2016.
Abstract: Optical phase-locking among 5-Gbit/s BPSK phase-conjugated twin waves and a free-funning pump is experimentally demonstrated. A sum-frequency and second harmonic generation assisted OPLL circuit compensates error signals between the PCTWs and the pump successfully.

Subjects :: Physics
Signal processing
Sum-frequency generation
business.industry
Phase (waves)
Physics::Optics
Second-harmonic generation
02 engineering and technology
021001 nanoscience & nanotechnology
01 natural sciences
Phase locking
010309 optics
Optics
0103 physical sciences
Phase noise
0210 nano-technology
business
Phase-shift keying

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