| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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A Switchable Multi-wavelength Erbium-Doped Photonic Crystal Fiber Laser with Linear Cavity Configuration |
| ZHENG Wan-Jun, CHENG Jian-Qun, RUAN Shuang-Chen**, ZHANG Min, LIU Wen-Li, YANG Xi, ZHANG Ying-Ying |
Shenzhen Key Laboratory of Laser Engineering, College of Electronic Science and Technology, Shenzhen University, Shenzhen 518060
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| Cite this article: |
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ZHENG Wan-Jun, CHENG Jian-Qun, RUAN Shuang-Chen** et al 2012 Chin. Phys. Lett. 29 124204 |
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Abstract A switchable multi-wavelength erbium-doped photonic crystal fiber laser with a linear cavity configuration based on a Sagnac loop mirror is proposed and demonstrated experimentally. The laser is based on saturated spectral hole burning and the polarization hole burning effects can be switched among single-wavelength, dual-wavelength, triple-wavelength and quadruple-wavelength outputs at room temperature. The wavelength period of the output spectrum is easily varied by using polarization maintaining fibers of different lengths. The proposed fiber laser has a signal-to-noise ratio of higher than 30 dB and achieves a low threshold power of 37 mW. The power fluctuations of the lasing lines are less than 0.54 dB,1.7 dB and 2.9 dB when the laser operates at single-wavelength, dual-wavelength and triple-wavelength for one hour.
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Received: 06 July 2012
Published: 04 March 2013
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| PACS: |
42.81.Qb
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(Fiber waveguides, couplers, and arrays)
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42.81.-i
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(Fiber optics)
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42.79.Sz
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(Optical communication systems, multiplexers, and demultiplexers?)
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