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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 38, Iss. 7 — Apr. 1, 2013
  • pp: 1176–1178

Healing-block-assisted quasi-phase matching

Jui-Yu Lai, Cheng-Wei Hsu, Dong-Yi Wu, Sheng-Bang Hung, Ming-Hsien Chou, and Shang-Da Yang  »View Author Affiliations


Optics Letters, Vol. 38, Issue 7, pp. 1176-1178 (2013)
http://dx.doi.org/10.1364/OL.38.001176


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Abstract

A quasi-phase matching (QPM) structure based on phase correction by inserting a “healing block” (HB) of length dHB into M regular domains of constant length d is proposed to enhance the nonlinear conversion efficiency when the first-order QPM domain length d1 is too short to be reliably fabricated. Second-harmonic conversion efficiency 4.69 times higher than that of a third-order QPM grating has been experimentally demonstrated by using HB-QPM where all the domains are longer than 1.08d1.

© 2013 Optical Society of America

OCIS Codes
(160.3730) Materials : Lithium niobate
(190.2620) Nonlinear optics : Harmonic generation and mixing
(230.4320) Optical devices : Nonlinear optical devices

ToC Category:
Optical Devices

History
Original Manuscript: December 19, 2012
Revised Manuscript: February 22, 2013
Manuscript Accepted: February 26, 2013
Published: April 1, 2013

Citation
Jui-Yu Lai, Cheng-Wei Hsu, Dong-Yi Wu, Sheng-Bang Hung, Ming-Hsien Chou, and Shang-Da Yang, "Healing-block-assisted quasi-phase matching," Opt. Lett. 38, 1176-1178 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-7-1176


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