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Multiwavelength erbium-doped fiber laser with 0.8-nm spacing using sampled Bragg grating and photonic crystal fiber

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6 Author(s)
Xiufeng Yang ; Lightwave Dept., Inst. for Infocomm Res., Singapore, Singapore ; Xinyong Dong ; Shumin Zhang ; Lu, Fuyun
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We propose and demonstrate a novel room-temperature multiwavelength erbium-doped fiber laser (EDFL) with a 0.8-nm wavelength spacing based on four-wave mixing (FWM) in a length of high-nonlinear photonic crystal fiber and sampled-fiber Bragg grating. The FWM processes suppress the wavelength competition of the EDFL and increase the number of lasing wavelength. By adjusting the FWM efficiency, the number of the concurrent lasing wavelengths can be changed, and the peak power differences among the main oscillation wavelengths are less than 2.0 dB.

Published in:

Photonics Technology Letters, IEEE  (Volume:17 ,  Issue: 12 )