Multi-wavelength fiber ring laser based on a chirped moiré fiber grating and a semiconductor optical amplifier

Shaohua Lu; Ou Xu; Suchun Feng; Shuisheng Jian

Chinese Optics Letters, 2009, 7 (6): 06469, Published Online: Jun. 8, 2009

Multi-wavelength fiber ring laser based on a chirped moiré fiber grating and a semiconductor optical amplifier Download： 703次

论文大纲

Shaohua Lu Ou Xu Suchun Feng Shuisheng Jian

Author Affiliations

Institute of Lightwave Technology, Key Lab of All Optical Network and Advanced Telecommunication Network of EMC, Beijing Jiaotong University, Beijing 100044, China

光纤激光器啁啾莫尔光栅半导体光放大器 060.3510 Lasers, fiber 060.3735 Fiber Bragg gratings 140.4480 Optical amplifiers

Abstract

A simple and cost-effective multi-wavelength fiber ring laser based on a chirped Moiré fiber grating (CMFG) and a semiconductor optical amplifier (SOA) is proposed. Stable triple-wavelength lasing oscillations at room temperature are experimentally demonstrated. The measured optical signal-to-noise ratio (SNR) reaches the highest value of 50 dB and the power fluctuation of each wavelength is less than 0.2 dB within a 1-h period. To serve as a wavelength selective element, the CMFG possesses excellent comb-like filtering characteristics including stable wavelength interval and ultra-narrow passband, and its fabrication method is easy and flexible. The lasing oscillation shows a narrower bandwidth than SOA-based multi-wavelength fiber lasers utilizing some other kinds of wavelength selective components. Methods to optimize the laser performance are also discussed.

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Shaohua Lu, Ou Xu, Suchun Feng, Shuisheng Jian. Multi-wavelength fiber ring laser based on a chirped moiré fiber grating and a semiconductor optical amplifier[J]. Chinese Optics Letters, 2009, 7(6): 06469.

Multi-wavelength fiber ring laser based on a chirped moiré fiber grating and a semiconductor optical amplifier Download： 703次

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