Performance of a Frequency-Locked 1.3microns DFB Laser Under 50 Mbit/s FSK Modulation.
01 January 1988
An InGaAsP DFB laser modulated with 50 Mbit/s pseudorandom AMI FSK signal was locked to the 2p sub (10) - 3d sub 5 transition of Argon at 1.2960microns using the optogalvanic effect. No significant degradation in frequency stability due to the modulation was observed. When the signal was demodulated, the power penalty due to the frequency locking servo-loop was found to be less than 1/3 dB.