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Few-layer black phosphorus based saturable absorber mirror for pulsed solid-state lasers
Author(s) -
Jie Ma,
Shunbin Lu,
Zhinan Guo,
Xiaodong Xu,
Han Zhang,
Dingyuan Tang,
Dianyuan Fan
Publication year - 2015
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.23.022643
Subject(s) - materials science , saturable absorption , optics , laser , ultrashort pulse , exfoliation joint , black phosphorus , optoelectronics , wavelength , drop (telecommunication) , pulse (music) , fiber laser , nanotechnology , telecommunications , physics , graphene , detector , computer science
We experimentally demonstrated that few-layer black phosphorus (BP) could be used as an optical modulator for solid-state lasers to generate short laser pulses. The BP flakes were fabricated by the liquid phase exfoliation method and drop-casted on a high-reflection mirror to form a BP-based saturable absorber mirror (BP-SAM). Stable Q-switched pulses with a pulse width of 620 ns at the wavelength of 1046 nm were obtained in a Yb:CaYAlO(4) (Yb:CYA) laser with the BP-SAM. The generated pulse train has a repetition rate of 113.6 kHz and an average output power of 37 mW. Our results show that the BP-SAMs could have excellent prospective for ultrafast photonics applications.

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