Abstract
We report a Tm-doped noise-like mode-locked (NLML) pulsed fiber laser with a compact linear cavity which consists of dual nonlinear optical loop mirrors (NOLMs). The design of dual-NOLM shows both exceptional compactness in construction and distinct flexibility. In this laser, mode-locking can be realized through the nonlinear optical loop mirror technique. Stable noise-like mode-locked pulses with spectral bandwidth of 29.18 nm and pulse energy of 46 nJ are generated at a central wavelength of 1 999.7 nm. Our results indicate that such a simple and inexpensive structure can pave the way for the development of generating supercontinuum with desirable performance.
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This work has been supported by the Nature Science Foundation of Chongqing (No.cstc2018jcyjAX0585).
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Wang, Xf., Mao, Hy., Liu, Qh. et al. 2 µm noise-like mode-locked fiber laser based on non-linear optical loop mirror. Optoelectron. Lett. 17, 294–297 (2021). https://doi.org/10.1007/s11801-021-0098-2
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DOI: https://doi.org/10.1007/s11801-021-0098-2