光学学报, 2008, 28 (3): 507, 网络出版: 2008-03-24   

稳定可调谐的单纵模多环形腔掺铒光纤激光器

Stable, Tunable Single-Longitudinal-Mode Erbium-Doped Fiber Laser with Multiple Ring Cavities
作者单位
中国科学院半导体研究所集成光电子学国家重点实验室, 北京 100083
摘要
提出了一种多环形腔(MRC)结构的稳定可调的单纵模(SLM)掺铒光纤激光器,多环形腔结构由双环形有源腔和两个次级无源腔组成。这种激光器是利用光纤法布里-珀罗可调滤波器(FFP-TF)以及光学光栅滤波器(OGF)两种滤波器和多环形腔结构相结合来共同选模。可实现波长调节范围为1528~1565 nm,在整个波长调节范围内边模抑制比大于44.53 dB,在1554 nm附近边模抑制比可以达到最大值51.18 dB, 输出功率为-8.84 dBm,通过应用多环型腔结构,激光器的输出很稳定,在18 min的观察时间内,中心波长的变化小于0.02 nm,输出功率的变化小于0.04 dBm,实现了稳定且可调谐的单纵模输出。
Abstract
A stable, tunable single-longitudinal-mode erbium-doped fiber laser (EDFL) with multiple ring cavities (MRC) has been proposed. The MRC consists of two active ring-cavities and two passive subring cavities. The fiber Fabry-Pérot tunable filter and optical grating filter are combined with MRC for mode selection. The output wavelength is tunable from 1528 to 1565 nm over the wide tuning range, the side-mode suppression ration (SMSR) is beyond 44.53 dB ,the maximum SMSR value is up to 51.18 dB around 1554 nm, and the output power is -8.84 dBm in the operating range. With the MRC configuration, the ring laser output is stable, the central wavelength variation is bellow 0.02 nm and the output power fluctuation is less than 0.04 dBm in 18 min, a wavelength-tunable EDFL with stabilized single-longitudinal mode is achieved.
参考文献

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张艳, 陈伟, 任民, 鞠昱, 韩威, 张邦宏, 张雅丽, 谢亮, 祝宁华. 稳定可调谐的单纵模多环形腔掺铒光纤激光器[J]. 光学学报, 2008, 28(3): 507. Zhang Yan, Chen Wei, Ren Min, Ju Yu, Han Wei, Zhang Banghong, Zhang Yali, Xie Liang, Zhu Ninghua. Stable, Tunable Single-Longitudinal-Mode Erbium-Doped Fiber Laser with Multiple Ring Cavities[J]. Acta Optica Sinica, 2008, 28(3): 507.

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