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Optics Letters

Optics Letters


  • Vol. 36, Iss. 20 — Oct. 15, 2011
  • pp: 4089–4091

High-quality, large-area monolayer graphene for efficient bulk laser mode-locking near 1.25 μm

Won Bae Cho, Jun Wan Kim, Hwang Woon Lee, Sukang Bae, Byung Hee Hong, Sun Young Choi, In Hyung Baek, Kihong Kim, Dong-Il Yeom, and Fabian Rotermund  »View Author Affiliations

Optics Letters, Vol. 36, Issue 20, pp. 4089-4091 (2011)

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High-quality monolayer graphene as large as 1.2 × 1.2 cm 2 was synthesized by chemical vapor deposition and used as a transmitting saturable absorber for efficient passive mode-locking of a femtosecond bulk solid-state laser. The monolayer graphene mode-locked Cr:forsterite laser was tunable around 1.25 μm and delivered sub- 100 fs pulses with output powers up to 230 mW . The nonlinear optical characteristics of the monolayer graphene saturable absorber and the mode-locked operation were then compared with the case of the bilayer graphene saturable absorber.

© 2011 Optical Society of America

OCIS Codes
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.4050) Lasers and laser optics : Mode-locked lasers
(160.4330) Materials : Nonlinear optical materials
(160.4236) Materials : Nanomaterials

ToC Category:
Lasers and Laser Optics

Original Manuscript: August 4, 2011
Revised Manuscript: September 8, 2011
Manuscript Accepted: September 8, 2011
Published: October 14, 2011

Won Bae Cho, Jun Wan Kim, Hwang Woon Lee, Sukang Bae, Byung Hee Hong, Sun Young Choi, In Hyung Baek, Kihong Kim, Dong-Il Yeom, and Fabian Rotermund, "High-quality, large-area monolayer graphene for efficient bulk laser mode-locking near 1.25 μm," Opt. Lett. 36, 4089-4091 (2011)

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