Widely tunable L-band erbium-doped fiber laser with fiber Bragg gratings based on optical bistability
Widely tunable L-band erbium-doped fiber laser with fiber Bragg gratings based on optical bistability
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DOI:
10.1063/1.1557321
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发表时间:
2003-02
影响因子:
4
通讯作者:
Q. Mao;J. Lit
中科院分区:
文献类型:
--
作者:
Q. Mao;J. Lit
We propose and demonstrate a mechanism to widely tune L-band erbium-doped fiber lasers with ordinary commercial tunable fiber Bragg gratings. The function is based on the dual-wavelength bistability in linear overlapping laser cavities. The laser may be switched between two wavelengths located, respectively, in the short- and long-wavelength regions of the L-band by triggering the pump with a typical switching time of about 11 ms. The two wavelengths can be independently tuned to give the laser a total tuning range of 33 nm and an output dynamic range of 7 dB. Nearly constant output powers with high optical signal-to-noise ratios are achieved across the whole tuning range.