Abstract

The operation of a continuous-wave optical parametric oscillator (OPO) based on periodically-poled RbTiOAsO₄ (PPRTA) and using a pump-enhanced cavity configuration is described. The OPO was pumped by a single-frequency Nd:YVO₄ laser and temperature tuning ranges of 1.525–1.583µm and 3.245–3.520µm were achieved at the signal and idler, respectively. The external threshold was 250mW and up to 87mW of idler was generated. Fine-tuning behavior of the OPO and material quality of the PPRTA were investigated. We believe this to be the first reported example of an externally-pumped cw OPO based on PPRTA.

©2003 Optical Society of America

Comparison of continuous-wave optical parametric oscillators based on periodically poled LiNbO₃ and periodically poled RbTiOAsO₄ pumped internal to a high-power Nd:YVO₄ laser

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Compact, continuous-wave, singly resonant optical parametric oscillator based on periodically poled RbTiOAsO₄ in a Nd:YVO₄ laser

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Continuous-wave, singly-resonant, optical parametric oscillator based on periodically poled KTiOPO₄

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Continuous-wave operation of a single-frequency optical parametric oscillator at 4–5 μm based on periodically poled LiNbO₃

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