Continuous wave phase-locked optical parametric oscillator as a tunable source for terahertz radiation

Ngai C. Wong; Dicky Lee; L. R. Brothers

doi:10.1117/12.177142

2 June 1994 Continuous wave phase-locked optical parametric oscillator as a tunable source for terahertz radiation

Ngai C. Wong, Dicky Lee, L. R. Brothers

Author Affiliations +

Proceedings Volume 2145, Nonlinear Optics for High-Speed Electronics and Optical Frequency Conversion; (1994) https://doi.org/10.1117/12.177142
Event: OE/LASE '94, 1994, Los Angeles, CA, United States

Abstract

We describe the operation of a cw phase-locked doubly resonant optical parametric oscillator that is suitable as a tunable optical source for the generation of terahertz radiation. A highly stable cw optical parametric oscillator has been constructed with a tuning range of several THz in the signal- idler difference frequency. By phase locking this difference frequency to a microwave source, either directly or with the use of a terahertz optical frequency comb generator, the parametric oscillator serves as a precisely tunable difference-frequency source. In one experiment, we phase locked the parametric oscillator at a signal-idler difference frequency of 665 GHz. In a second experiment, we measured a signal-idler difference frequency of 1.45 THz with the use of a diode-pumped YAG laser.

Citation Download Citation

Ngai C. Wong, Dicky Lee, and L. R. Brothers "Continuous wave phase-locked optical parametric oscillator as a tunable source for terahertz radiation", Proc. SPIE 2145, Nonlinear Optics for High-Speed Electronics and Optical Frequency Conversion, (2 June 1994); https://doi.org/10.1117/12.177142

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