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Wavelength-switchable erbium-doped fiber ring laser combined with a Fabry–Perot laser diode and a sampled grating

We present a wavelength-switchable erbium-doped fiber ring laser consisting of an anti-reflection coated Fabry–Perot laser diode (FP-LD) and a sampled fiber Bragg grating (SFBG). The wavelength switching is obtained easily by the shift of FP mode with respect to the reflection peaks of the SFBG. The...

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Bibliographic Details
Published in:Optics communications 2007-05, Vol.273 (1), p.28-31
Main Authors: Kim, Ryun Kyung, Kim, Chul Seop, Park, Kwang No, Kim, Jong Ryeol, Lee, Kyung Shik
Format: Article
Language:English
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Summary:We present a wavelength-switchable erbium-doped fiber ring laser consisting of an anti-reflection coated Fabry–Perot laser diode (FP-LD) and a sampled fiber Bragg grating (SFBG). The wavelength switching is obtained easily by the shift of FP mode with respect to the reflection peaks of the SFBG. The proposed laser apparatus not only simultaneously emits two wavelengths but also switches between the two wavelengths by adjusting the modes of FP-LD with a change of the injection current of the FP-LD as little as ∼1 mA. The proposed wavelength-switchable erbium-doped fiber ring laser exhibits high laser performance with side-mode suppression ratio (SMSR) ⩾50 dB.
ISSN:0030-4018
1873-0310
DOI:10.1016/j.optcom.2006.12.036