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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 36, Iss. 21 — Nov. 1, 2011
  • pp: 4173–4175

Proton beam writing of Nd:GGG crystals as new waveguide laser sources

Yicun Yao, Ningning Dong, Feng Chen, Sudheer Kumar Vanga, and Andrew Anthony Bettiol  »View Author Affiliations

Optics Letters, Vol. 36, Issue 21, pp. 4173-4175 (2011)

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Focused proton beam writing has been utilized to fabricate optical channel waveguides in Nd:GGG crystals. The 1 MeV proton beam irradiation creates a local modified region with positive refractive index changes at the end of the proton trajectory, in which the channel waveguide could confine the light field in a symmetric way. Room- temperature laser emission has been achieved at 1063.7 nm , with absorbed pump power of 61 mW (at 808 nm ). The obtained slope efficiency of the Nd:GGG waveguide laser system is as high as 66%, which is, to our best knowledge, the highest value for integrated lasers from ion beam processed channel waveguide systems.

© 2011 Optical Society of America

OCIS Codes
(140.3570) Lasers and laser optics : Lasers, single-mode
(160.3380) Materials : Laser materials
(230.7380) Optical devices : Waveguides, channeled

ToC Category:
Optical Devices

Original Manuscript: September 14, 2011
Revised Manuscript: September 21, 2011
Manuscript Accepted: September 27, 2011
Published: October 20, 2011

Yicun Yao, Ningning Dong, Feng Chen, Sudheer Kumar Vanga, and Andrew Anthony Bettiol, "Proton beam writing of Nd:GGG crystals as new waveguide laser sources," Opt. Lett. 36, 4173-4175 (2011)

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