Dual-line coherent detection using a frequency comb local oscillator achieves 200 GHz offset tolerance for 400 Gbit/s signals with low penalty.
Arbitrary frequency difference locking method for carrier in intersatellite coherent laser communication
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Dual Line Coherent Detection
Dual-line coherent detection using a frequency comb local oscillator achieves 200 GHz offset tolerance for 400 Gbit/s signals with low penalty.