21 November 2007 Switchable multiwavelength erbium-doped fiber laser incorporating a sampled fiber Bragg grating written in polarization-maintaining fiber
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Proceedings Volume 6781, Passive Components and Fiber-based Devices IV; 67812W (2007) https://doi.org/10.1117/12.745597
Event: Asia-Pacific Optical Communications, 2007, Wuhan, China
Abstract
A stable multiwavelength erbium-doped fiber laser is proposed and demonstrated successfully. Through carefully adjusting the state of the polarization controller, the stable two three-wavelength with a spacing of 0.8 nm and one four-wavelength with a spacing of 0.4 nm fiber laser have been obtained. A nonlinear optical loop mirror (NOLM) with 70-m long Photonic Crystal Fiber (PCF) is employed to ensure stable room-temperature multiwavelength operation. The measured power fluctuation of each wavelength is less than 0.2 dB and the peak power differences among the main oscillation wavelengths are less than 1.0 dB. Another desirable characteristic is that it needs a relatively low pump power of 100 mW. The signal-to-noise ratio is ~35 dB. And it is better than that inserting single-mode fiber (SMF) ever reported.
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Zhanyuan Liu, Zhanyuan Liu, Yan-ge Liu, Yan-ge Liu, Jiangbing Du, Jiangbing Du, Shuzhong Yuan, Shuzhong Yuan, Xiaoyi Dong, Xiaoyi Dong, } "Switchable multiwavelength erbium-doped fiber laser incorporating a sampled fiber Bragg grating written in polarization-maintaining fiber", Proc. SPIE 6781, Passive Components and Fiber-based Devices IV, 67812W (21 November 2007); doi: 10.1117/12.745597; https://doi.org/10.1117/12.745597
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