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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 23 — Dec. 1, 2007
  • pp: 3388–3390

Unequally spaced multiple mid-infrared wavelength generation using an engineered quasi-phase-matching device

Masaki Asobe, Osamu Tadanaga, Takeshi Umeki, Tsutomu Yanagawa, Yoshiki Nishida, Katsuaki Magari, and Hiroyuki Suzuki  »View Author Affiliations


Optics Letters, Vol. 32, Issue 23, pp. 3388-3390 (2007)
http://dx.doi.org/10.1364/OL.32.003388


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Abstract

We propose a novel quasi-phase-matched (QPM) device that can generate unequally spaced multiple wavelengths. Unequally spaced multiple QPM peaks can be obtained by employing the optimized phase modulation of a periodic domain structure. We fabricated a Li Nb O 3 waveguide device for 3.2 3.4 μ m band difference frequency generation based on the design. Using the multiple mid-infrared outputs, we demonstrate the detection of multiple hydrocarbon gases, namely, methane, ethylene, and ethane.

© 2007 Optical Society of America

OCIS Codes
(130.3730) Integrated optics : Lithium niobate
(190.2620) Nonlinear optics : Harmonic generation and mixing

ToC Category:
Nonlinear Optics

History
Original Manuscript: July 27, 2007
Revised Manuscript: October 25, 2007
Manuscript Accepted: October 25, 2007
Published: November 16, 2007

Citation
Masaki Asobe, Osamu Tadanaga, Takeshi Umeki, Tsutomu Yanagawa, Yoshiki Nishida, Katsuaki Magari, and Hiroyuki Suzuki, "Unequally spaced multiple mid-infrared wavelength generation using an engineered quasi-phase-matching device," Opt. Lett. 32, 3388-3390 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-23-3388

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