1.6 µm tunable and switchable single-frequency erbium-doped fiber laser
Yaqi Zhai,
Baole Lu,
Lingkang Meng
et al.
Abstract:We present a tunable and switchable single-frequency (SF) erbium-doped fiber laser (EDFL) operating at 1.6 µm. For the first time, a multichannel Sagnac filter, a “θ” sub cavity, and a saturable absorber (SA) have been combined to achieve SF operation of single- and dual-wavelength tunability as well as single-dual-triple-wavelength switching. The laser exhibited excellent stability, with no mode-hopping over the 60-minute observation period. Furthermore, linewidths measured utilizing the short-delay self-hete… Show more
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