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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
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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.
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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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