Jiangsu Research Center for Optical Sensing Communications and Networking Technology

Nanjing, China

Jiangsu Research Center for Optical Sensing Communications and Networking Technology

Nanjing, China

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Wan H.,Nanjing Southeast University | Wan H.,Jiangsu Research Center for Optical Sensing Communications and Networking Technology | Jiang W.,Nanjing Southeast University | Jiang W.,Jiangsu Research Center for Optical Sensing Communications and Networking Technology | And 6 more authors.
IEEE Photonics Technology Letters | Year: 2012

We demonstrate a stabilized single-longitudinal-mode fiber ring laser using tandem-Fabry-Pérot-microcavities (T-FP-MCs) as the all-fiber intracavity filter. The T-FP-MCs are formed with short adjustable air gaps between pairs of vertical cleaved single-mode fiber ends without mirror-coating deposition. The T-FP-MCs' spectral filtering effect is analyzed with the Rouard's method. Mode-hopping-free continuous-wave operation with 19-dBm power, 0.06-nm bandwidth and sidemode suppression ratio of 28 dB at 1565-nm wavelength is achieved using two T-FP-MCs. Q-switching pulsed operation of this fiber laser with 10-W peak power is also investigated and analyzed. © 2011 IEEE.

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