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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 15 — Aug. 1, 2013
  • pp: 2825–2828

4.8 μm difference-frequency generation using a waveguide-PPLN crystal and its application to mid-infrared Lamb-dip spectroscopy

Susumu Kuma, Yuki Miyamoto, Kousuke Tsutsumi, Noboru Sasao, and Satoshi Uetake  »View Author Affiliations


Optics Letters, Vol. 38, Issue 15, pp. 2825-2828 (2013)
http://dx.doi.org/10.1364/OL.38.002825


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Abstract

Difference-frequency generation of 4.8 μm mid-infrared light was performed using a waveguide periodically poled LiNbO3 (PPLN) crystal. 871 and 1064 nm external-cavity diode lasers followed by tapered amplifiers were used as pump sources. A conversion efficiency of 2%/W with the output power of 2 mW was achieved even under considerable absorption of the crystal at this wavelength. Lamb-dip spectroscopy of carbonyl sulfide was demonstrated showing the satisfactory performance of this device for saturation spectroscopy. The observed dip width shows that the laser linewidth is 2MHz, which corresponds to those of the pump lasers.

© 2013 Optical Society of America

OCIS Codes
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(230.4320) Optical devices : Nonlinear optical devices

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: May 20, 2013
Revised Manuscript: June 25, 2013
Manuscript Accepted: July 4, 2013
Published: July 29, 2013

Citation
Susumu Kuma, Yuki Miyamoto, Kousuke Tsutsumi, Noboru Sasao, and Satoshi Uetake, "4.8 μm difference-frequency generation using a waveguide-PPLN crystal and its application to mid-infrared Lamb-dip spectroscopy," Opt. Lett. 38, 2825-2828 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-15-2825

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