Q-switched fiber laser based on carbon nano wall saturable absorber

Soichiro Omi; Norihito Kawaguchi; Yuji Oki

doi:10.1117/12.2076848

14 March 2015 Q-switched fiber laser based on carbon nano wall saturable absorber

Soichiro Omi, Norihito Kawaguchi, Yuji Oki

Proceedings Volume 9361, Ultrafast Phenomena and Nanophotonics XIX; 936104 (2015) https://doi.org/10.1117/12.2076848
Event: SPIE OPTO, 2015, San Francisco, California, United States

Abstract

We report a saturated absorption characteristic of carbon nanowall and Q-switched laser operation using carbon nanowall saturable absorber. Carbon nanowall is vertically aligned nanographite sheets on Si substrate synthesized by plasma-enhanced chemical vapor deposition method. A polyimide thin film, with incorporated carbon nanowall, coated by spin-coating method, is used as saturable absorber. Linear absorption spectrum of carbon nano-walls was observed without absorption peak wavelength range from 1000 to 2000nm. Modulation depth of carbon nanowall saturable absorber was measured with wavelength of about 1560nm. Q-switch laser operation with carbon nanowall saturable absorber and erbium doped optical fiber was demonstrated.

Citation Download Citation

Soichiro Omi, Norihito Kawaguchi, and Yuji Oki "Q-switched fiber laser based on carbon nano wall saturable absorber", Proc. SPIE 9361, Ultrafast Phenomena and Nanophotonics XIX, 936104 (14 March 2015); https://doi.org/10.1117/12.2076848

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