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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 19, Iss. 4 — Feb. 15, 1994
  • pp: 254–256

High-efficiency generation of ultrashort second-harmonic pulses based on the Čerenkov geometry

Gary Y. Wang and Elsa M. Garmire  »View Author Affiliations


Optics Letters, Vol. 19, Issue 4, pp. 254-256 (1994)
http://dx.doi.org/10.1364/OL.19.000254


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Abstract

Simultaneous phase- and group-velocity-matched generation of ultrashort optical second-harmonic pulses based on a quasi-phase-matched Čerenkov second-harmonic generation scheme is proposed. We compare our scheme with other schemes with respect to its ability to achieve high conversion efficiency, its enhancement with respect to cw second-harmonic generation, and its sensitivity to waveguide-period fluctuation; ion-exchanged KTP and LiNbO3 waveguides are considered in the evaluation. We believe our proposed scheme is easy to implement, and there is no constraint on crystal length in achieving high efficiency as well as in preserving an ultrashort pulse width. 100% efficiency is potentially obtainable from sufficiently long crystals.

© 1994 Optical Society of America

History
Original Manuscript: August 2, 1993
Published: February 15, 1994

Citation
Gary Y. Wang and Elsa M. Garmire, "High-efficiency generation of ultrashort second-harmonic pulses based on the Čerenkov geometry," Opt. Lett. 19, 254-256 (1994)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-19-4-254

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