Yb:KYW planar waveguide laser Q-switched by evanescent-field interaction with carbon nanotubes

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We report Q-switched operation of a planar waveguide laser by evanescent-field interaction with single-walled carbon nanotubes deposited on top of the waveguide. The saturable-absorber-integrated gain medium, which operates based on evanescent-field interaction, enables the realization of a diode-pumped 2.5-cm-long Q-switched Yb:KYW waveguide laser emitting at 1030 nm. With such a compact cavity design, we achieve maximum output powers of up to 30 mW, corresponding to a single-pulse energy of 124 nJ, at 241 kHz repetition rate. The shortest pulse duration of 433 ns is generated at a repetition rate of 231 kHz. (C) 2013 Optical Society of Americ
Publisher
OPTICAL SOC AMER
Issue Date
2013-12
Language
English
Article Type
Article
Keywords

SATURABLE-ABSORBER; MODE-LOCKING; MU-M; BULK; OPTIMIZATION; CRYSTAL; COMPACT; POWER

Citation

OPTICS LETTERS, v.38, no.23, pp.5090 - 5093

ISSN
0146-9592
DOI
10.1364/OL.38.005090
URI
http://hdl.handle.net/10203/212681
Appears in Collection
PH-Journal Papers(저널논문)
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