Double-pumped multiwavelength fiber optical parametric oscillator based on a Sagnac loop filter |
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Authors: | Sun Bing Hu Kai Wei Yizhen Chen Daru Gao Shiming Wang Tianshu He Sailing |
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Institution: | State Key Laboratory of Modern Optical Instrumentation, Zhejiang University, Hangzhou 310058, China. |
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Abstract: | We propose a double-pumped ring cavity multiwavelength fiber optical parametric oscillator (MW-FOPO) using a highly nonlinear dispersion-shifted fiber (HNL-DSF) as the gain medium and a polarization maintained fiber based Sagnac loop filter as the comblike filter. 22-wavelength lasing of the double-pumped MW-FOPO with a ripple less than ±2.5 dB and a wavelength spacing of about 0.8 nm in a wavelength range from 1541 nm to 1558 nm is experimentally demonstrated. We discussed the power stability of the multiwavelength lasing of the double-pumped MW-FOPO. A comparison of the output spectra between the double-pumped MW-FOPO and single-pumped MW-FOPO is also presented. |
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