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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry Van Driel
  • Vol. 26, Iss. 12 — Dec. 1, 2009
  • pp: 2315–2322

Broadband wavelength conversion based on apodized χ ( 2 ) grating

T. Umeki, M. Asobe, T. Yanagawa, O. Tadanaga, Y. Nishida, K. Magari, and H. Suzuki  »View Author Affiliations


JOSA B, Vol. 26, Issue 12, pp. 2315-2322 (2009)
http://dx.doi.org/10.1364/JOSAB.26.002315


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Abstract

We achieved apodization in a quasi-phase-matched (QPM) wavelength converter by changing the duty cycle of a χ ( 2 ) grating. The new design yields a large bandwidth and a flat phase-matching response with high conversion efficiency. Widely tunable 3 - μ m -band difference frequency generation was realized using an apodized QPM Li Nb O 3 ridge waveguide. We also demonstrated the simultaneous detection of the absorption lines of C H 4 and C 2 H 4 and obtained a broadband absorption spectrum of over 100 nm using the widely tunable source.

© 2009 Optical Society of America

OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4360) Nonlinear optics : Nonlinear optics, devices

ToC Category:
Nonlinear Optics

History
Original Manuscript: April 29, 2009
Revised Manuscript: October 15, 2009
Manuscript Accepted: October 18, 2009
Published: November 16, 2009

Citation
T. Umeki, M. Asobe, T. Yanagawa, O. Tadanaga, Y. Nishida, K. Magari, and H. Suzuki, "Broadband wavelength conversion based on apodized χ(2) grating," J. Opt. Soc. Am. B 26, 2315-2322 (2009)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-26-12-2315

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