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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 24, Iss. 18 — Sep. 15, 1999
  • pp: 1293–1295

Continuous-wave quasi-phase-matched generation of 60 mW at 465 nm by single-pass frequency doubling of a laser diode in backswitch-poled lithium niobate

Robert G. Batchko, Martin M. Fejer, Robert L. Byer, Dirk Woll, Richard Wallenstein, Vladimir Y. Shur, and Levent Erman  »View Author Affiliations


Optics Letters, Vol. 24, Issue 18, pp. 1293-1295 (1999)
http://dx.doi.org/10.1364/OL.24.001293


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Abstract

We report continuous-wave single-pass second-harmonic generation (SHG) in 4-μm -period 0.5-mm-thick backswitch-poled lithium niobate. Pump sources at 920–930 nm include both Ti:sapphire and diode-oscillator–amplifier lasers. SHG of a Ti:sapphire laser at 6.1%/W efficiency, producing 61 mW of power at 460 nm, is demonstrated in 50-mm-long periodically poled lithium niobate samples with a nonlinear coefficient deff≈9pm/V, and 60 mW at 465 nm and 2.8%/W efficiency is obtained by SHG of a laser-diode source.

© 1999 Optical Society of America

OCIS Codes
(140.2020) Lasers and laser optics : Diode lasers
(160.3730) Materials : Lithium niobate
(160.4330) Materials : Nonlinear optical materials
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4360) Nonlinear optics : Nonlinear optics, devices

Citation
Robert G. Batchko, Martin M. Fejer, Robert L. Byer, Dirk Woll, Richard Wallenstein, Vladimir Y. Shur, and Levent Erman, "Continuous-wave quasi-phase-matched generation of 60 mW at 465 nm by single-pass frequency doubling of a laser diode in backswitch-poled lithium niobate," Opt. Lett. 24, 1293-1295 (1999)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-24-18-1293

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