Nonlinear optical resonators for tunable THz emission

Raju Sinha; Mustafa Karabiyik; Chowdhury Al-Amin; Phani K. Vabbina; Nezih Pala

doi:10.1117/12.2041387

7 March 2014 Nonlinear optical resonators for tunable THz emission

Raju Sinha, Mustafa Karabiyik, Chowdhury Al-Amin, Phani K. Vabbina, Nezih Pala

Proceedings Volume 8985, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications VII; 898505 (2014) https://doi.org/10.1117/12.2041387
Event: SPIE OPTO, 2014, San Francisco, California, United States

Abstract

We designed and theoretically investigated nonlinear optical micro-ring resonators for tunable terahertz (THz) emission in 1-10 THz range by using difference frequency generation (DFG) phenomenon with large second order optical nonlinearity (χ(²)). Our design consists of a nonlinear ring resonator and another ring underneath capable of sustaining high-Q resonant modes for infrared pump beams and the generated THz radiation, respectively. The nonlinear ring resonator generates THz through DFG by mixing the input waves carried by a pair of waveguides. The proposed device can be a viable platform for tunable, compact THz emitters and on-chip integrated spectrometers.

Citation Download Citation

Raju Sinha, Mustafa Karabiyik, Chowdhury Al-Amin, Phani K. Vabbina, and Nezih Pala "Nonlinear optical resonators for tunable THz emission", Proc. SPIE 8985, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications VII, 898505 (7 March 2014); https://doi.org/10.1117/12.2041387

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