A novel wavelength switchable fiber ring laser

Fei Wang; Xinliang Zhang; Jianji Dong; Yu Yu; Zheng Zhang

doi:10.1117/12.803064

18 November 2008 A novel wavelength switchable fiber ring laser

Fei Wang, Xinliang Zhang, Jianji Dong, Yu Yu, Zheng Zhang

Proceedings Volume 7135, Optoelectronic Materials and Devices III; 71351H (2008) https://doi.org/10.1117/12.803064
Event: Asia-Pacific Optical Communications, 2008, Hangzhou, China

Abstract

We demonstrate a fiber ring laser with a dispersion compensation fiber (DCF) and a delayed interferometer (DI), which is able to switch eleven wavelengths one by one. In ring cavity, DCF supplies different effective cavity lengths for different wavelengths, DI generates a wavelength comb corresponding to the ITU grid, a flat-gain erbium-doped fiber amplifier (EDFA) provides uniform gain for each lasting wavelength, and a semiconductor optical amplifier (SOA) not only acts as active modulator, but also alleviates homogeneous broadening effect of EDFA. Stable pulse trains with a pulsewidth about 40 ps at 10 GHz have been obtained by injecting external optical control signals into the laser. Wavelength switching process among eleven wavelengths is achieved by merely tuning an intracavity optical delay line.

Citation Download Citation

Fei Wang, Xinliang Zhang, Jianji Dong, Yu Yu, and Zheng Zhang "A novel wavelength switchable fiber ring laser", Proc. SPIE 7135, Optoelectronic Materials and Devices III, 71351H (18 November 2008); https://doi.org/10.1117/12.803064

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