Mode-locked multi-wavelength fiber ring laser using low frequency phase modulation

Chang Su Jun; Jae Kwon Ko; Sang Hwa Yoo; Byoung Yon Kim

doi:10.1117/12.885997

17 May 2011 Mode-locked multi-wavelength fiber ring laser using low frequency phase modulation

Chang Su Jun, Jae Kwon Ko, Sang Hwa Yoo, Byoung Yon Kim

Proceedings Volume 7753, 21st International Conference on Optical Fiber Sensors; 775339 (2011) https://doi.org/10.1117/12.885997
Event: 21st International Conference on Optical Fibre Sensors (OFS21), 2011, Ottawa, Canada

Abstract

We demonstrate a stable and low noise mode-locked multi-wavelength ring laser for potential uses in optical sensors. The ring laser cavity contains an all fiber phase modulator operating at 26.2 kHz, a Fabry-Perot comb filter, a band-pass filter and a small core EDF, and passively mode-locked pulses at 5.62MHz rate are generated. This laser has a relative intensity noise (RIN) value under -105 dB/Hz up to 1 GHz, and under -140 dB/Hz over 1 GHz. High peak power, high speed and high temporal resolution of mode-locked multi-wavelength laser can be useful for diverse applications including multiplexed interrogation of distributed sensor, spectroscopy and multi-spectral bio imaging.

Citation Download Citation

Chang Su Jun, Jae Kwon Ko, Sang Hwa Yoo, and Byoung Yon Kim "Mode-locked multi-wavelength fiber ring laser using low frequency phase modulation", Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 775339 (17 May 2011); https://doi.org/10.1117/12.885997

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