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Proceedings Paper

Progress in quasi-phase-matched optical parametric oscillators using periodically poled LiNbO3
Author(s): Lawrence E. Myers; Robert C. Eckardt; Martin M. Fejer; Robert L. Byer; Walter R. Bosenberg
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Paper Abstract

We review progress on quasi-phasematched optical parametric oscillators (OPOs) in bulk periodically poled LiNbO3. We have extended the electric-field poling process so that we now reliably fabricate crystals over 60-mm long in full 3-inch-diameter, 0.5-mm-thick wafers. Periodically poled material retains the low loss and bulk power handling properties of single domain LiNbO3, and QPM allows noncritical phasematching with the highest value of the nonlinear coefficient. OPOs pumped by 1.064-micrometers Nd:YAG lasers have been operated over the wavelength range 1.36 micrometers to 4.9 micrometers with tuning by temperature or QPM period. We have shown oscillation threshold as low as 0.006 mJ with a Q-switched pump laser, and pumping over 25 times threshold without damage. We have also demonstrated a doubly resonant OPO pumped directly with a commercial cw diode laser at 978 nm, and a 1.064-micrometers -pumped cw singly-resonant OPO with threshold < 3 W.

Paper Details

Date Published: 10 May 1996
PDF: 11 pages
Proc. SPIE 2700, Nonlinear Frequency Generation and Conversion, (10 May 1996); doi: 10.1117/12.239653
Show Author Affiliations
Lawrence E. Myers, Air Force Wright Lab. (United States)
Robert C. Eckardt, Stanford Univ. (United States)
Martin M. Fejer, Stanford Univ. (United States)
Robert L. Byer, Stanford Univ. (United States)
Walter R. Bosenberg, Lightwave Electronics Corp. (United States)


Published in SPIE Proceedings Vol. 2700:
Nonlinear Frequency Generation and Conversion
Mool C. Gupta; William J. Kozlovsky; David C. MacPherson, Editor(s)

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