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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 3 — Feb. 11, 2013
  • pp: 3516–3522

Dual-wavelength synchronously Q-switched solid-state laser with multi-layered graphene as saturable absorber

Yongguang Zhao, Xianlei Li, Miaomiao Xu, Haohai Yu, Yongzhong Wu, Zhengping Wang, Xiaopeng Hao, and Xinguang Xu  »View Author Affiliations

Optics Express, Vol. 21, Issue 3, pp. 3516-3522 (2013)

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Using multilayered graphene as the saturable absorber (SA), Nd:LYSO crystal as the laser material, we demonstrated a laser-diode (LD) pumped, dual-wavelength passively Q-switched solid-state laser. The maximum average output power is 1.8 W, the largest pulse energy and highest peak power is 11.3 μJ, 118 W, respectively. As we have known, they are the best results for passively Q-switched operation of graphene. The pulse laser is strong enough to realize extra-cavity frequency conversions. With a KTP crystal as the sum-frequency generator, the dual wavelengths are proved to be well time overlapped, which manifests the synchronous modulation to the dual-wavelength with multi-layered graphene.

© 2013 OSA

OCIS Codes
(140.3540) Lasers and laser optics : Lasers, Q-switched
(140.3580) Lasers and laser optics : Lasers, solid-state

ToC Category:
Lasers and Laser Optics

Original Manuscript: December 11, 2012
Revised Manuscript: January 16, 2013
Manuscript Accepted: January 23, 2013
Published: February 4, 2013

Yongguang Zhao, Xianlei Li, Miaomiao Xu, Haohai Yu, Yongzhong Wu, Zhengping Wang, Xiaopeng Hao, and Xinguang Xu, "Dual-wavelength synchronously Q-switched solid-state laser with multi-layered graphene as saturable absorber," Opt. Express 21, 3516-3522 (2013)

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