On parametric generation of deep UV light in monolithic cavities with cubic nonlinearity

A. B. Matsko

doi:10.1117/12.2584045

5 March 2021 On parametric generation of deep UV light in monolithic cavities with cubic nonlinearity

A. B. Matsko

Proceedings Volume 11672, Laser Resonators, Microresonators, and Beam Control XXIII; 116720A (2021) https://doi.org/10.1117/12.2584045
Event: SPIE LASE, 2021, Online Only

Abstract

Coherent ultra violet (UV) light has broad applications in optical atomic clocks and quantum computers. Since availability of semiconductor tunable monochromatic lasers is limited at short wavelengths, optical nonlinear processes are frequently used to produce the desirable radiation wavelength. Optical crystals with quadratic nonlinearity are promising for this purpose because of their transparency and high optical damage threshold. In this paper we discuss a possibility of generation of coherent deep UV light utilizing high quality factor (-Q) monolithic optical microcavities made of crystalline optical materials characterized with cubic nonlinearities. We show that the generation is feasible in spite of the relatively small cubic nonlinearities, due to the ultra-broad- band high optical transparency of the crystals and associated high-Q achievable in the cavities created out of the materials. We found that the birefringence as well as the tensor nature of the nonlinear susceptibility of the crystalline optical materials can simplify the phase matching of the nonlinear processes.

Conference Presentation

Citation Download Citation

A. B. Matsko "On parametric generation of deep UV light in monolithic cavities with cubic nonlinearity", Proc. SPIE 11672, Laser Resonators, Microresonators, and Beam Control XXIII, 116720A (5 March 2021); https://doi.org/10.1117/12.2584045

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