Periodically poled near-stoichiometric lithium tantalate for optical parametric oscillation

Yu, Nan Ei; Kurimura, Sunao; Nomura, Yoshiyuki; Nakamura, Masaru; Kitamura, Kenji; Sakuma, Jun; Otani, Yoshio; Shiratori, Akira
March 2004
Applied Physics Letters;3/8/2004, Vol. 84 Issue 10, p1662
Academic Journal
A 35-mm-long periodically poled device was fabricated from a near-stoichiometric lithium tantalate, and optical parametric oscillation was demonstrated with a low oscillation threshold (106 mW). The emitted signal and idler wavelengths were 1.53–1.63 and 3.06–3.49 μm, respectively, and the highest slope conversion efficiency was 65% with a maximum output power of 628 mW at 1.1 W pumping. The influence of Curie temperature inhomogeneity on fabrication of the device was investigated to improve poling quality in long devices. © 2004 American Institute of Physics.


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