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Optics Letters

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  • Vol. 23, Iss. 10 — May. 15, 1998
  • pp: 759–761

Greater than 100% photon-conversion efficiency from an optical parametric oscillator with intracavity difference-frequency mixing

M. E. Dearborn, Karl Koch, Gerald T. Moore, and J. C. Diels  »View Author Affiliations


Optics Letters, Vol. 23, Issue 10, pp. 759-761 (1998)
http://dx.doi.org/10.1364/OL.23.000759


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Abstract

Using 100-ps Nd:YAG pump pulses, we synchronously pump an optical parametric oscillator with intracavity difference-frequency mixing (DFM) between the signal and the idler. The cavity is singly resonant at the signal frequency. The signal, idler, and difference wavelengths are near 1.5, 3.5, and 2.8µm , respectively. Periodically poled lithium niobate is used for both interactions. Results show an 80% enhancement in the idler power-conversion efficiency and an idler photon-conversion efficiency of 110% when the DFM interaction is phase matched. Backconversion of the pump is suppressed when the DFM interaction is phase matched, and pump depletion increases from 65% to 79% at full pump power.

© 1998 Optical Society of America

OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(190.7070) Nonlinear optics : Two-wave mixing

Citation
M. E. Dearborn, Karl Koch, Gerald T. Moore, and J. C. Diels, "Greater than 100% photon-conversion efficiency from an optical parametric oscillator with intracavity difference-frequency mixing," Opt. Lett. 23, 759-761 (1998)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-23-10-759


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