Nd:YAG waveguide laser Q-switched by evanescent-field interaction with graphene | Zendy

Yang Tan | Zendy; Chen Cheng | Zendy; Shavkat Akhmadaliev | Zendy; Shengqiang Zhou | Zendy; Feng Chen | Zendy

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Nd:YAG waveguide laser Q-switched by evanescent-field interaction with graphene

Author(s) -

Yang Tan,

Chen Cheng,

Shavkat Akhmadaliev,

Shengqiang Zhou,

Feng Chen

Publication year - 2014

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.22.009101

Subject(s) - optics , materials science , laser , waveguide , graphene , planar , saturable absorption , pulse (music) , wavelength , q switching , optoelectronics , pulse duration , fiber laser , detector , physics , computer graphics (images) , computer science , nanotechnology

We report on the Q-switched laser operation by the evanescent-field interaction with the graphene layers deposited on a Nd:YAG surface planar waveguide, which was fabricated by the 15 MeV carbon ion irradiation. Based on the simple and compact design of the cavity with saturable-absorber features, the Q-switched pulsed waveguide laser operation was achieved at the wavelength of 1064 nm through the interaction between the graphene layer and the evanescent-field of the waveguide mode. The maximum output pulse repetition rate was ~29 kHz with the pulse duration of ~9.8 µs.

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