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Proceedings Paper

Quasi-phasematched optical parametric oscillators using bulk periodically poled LiNbO3
Author(s): Lawrence E. Myers; Robert C. Eckardt; Martin M. Fejer; Robert L. Byer
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Paper Abstract

We review progress of quasi-phasematched (QPM) optical parametric oscillators (OPOs) in bulk periodically poled LiNbO3. Using the electric field poling process, we can reliably fabricate 0.5-mm thick crystals with uniform domain structures over 15-mm long. 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 pulsed Nd:YAG lasers have been operated over the wavelength range 1.45 micrometers to 4.0 micrometers with tuning by temperature or QPM period. We have shown oscillation threshold as low as 0.020 mJ with a Q-switched pump laser, and pumping over two times threshold without damage. We have also demonstrated a doubly resonant oscillator near 1.96 micrometers pumped directly with a cw diode laser at 978 nm.

Paper Details

Date Published: 10 April 1995
PDF: 9 pages
Proc. SPIE 2379, Solid State Lasers and Nonlinear Crystals, (10 April 1995); doi: 10.1117/12.206465
Show Author Affiliations
Lawrence E. Myers, Stanford Univ. (United States)
Robert C. Eckardt, Stanford Univ. (United States)
Martin M. Fejer, Stanford Univ. (United States)
Robert L. Byer, Stanford Univ. (United States)


Published in SPIE Proceedings Vol. 2379:
Solid State Lasers and Nonlinear Crystals
Gregory J. Quarles; Leon Esterowitz; Lap Kin Cheng, Editor(s)

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