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Mode beating noise reduction of mutually injection-locked erbium-doped fiber laser and laser diode link

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2 Author(s)
Yu-Huang Lin ; Inst. of Electro-Opt. Eng., Nat. Chiao Tung Univ., Taiwan ; Gong-Ru Lin

We report a mutually injection-locked erbium-doped fiber amplifier (or laser) and Fabry-Pe´rot laser diode link (EDFA-FPLD or EDFL-FPLD) for single longitudinal mode lasing with linewidth of 0.012 nm and sidemode suppression ratio of 42 dB. The 3-dB linewidths of <20 MHz and 350 kHz for the EDFL-FPLD and EDFA-FPLD links, respectively, are reported using interferometric determination. The mode-beating noise can be completely eliminated in the EDFA-FPLD link.

Published in:

Photonics Technology Letters, IEEE  (Volume:16 ,  Issue: 8 )