Tunable single- and dual-wavelength SHG from diode-pumped PPKTP waveguides

Fedorova, Ksenia A., Wong, Christine D., Kaleva, Christopher M., Bakshaev, Ilia O., Livshits, Daniil A. and Rafailov, Edik U. (2016). Tunable single- and dual-wavelength SHG from diode-pumped PPKTP waveguides. Optics Letters, 41 (21), pp. 5098-5101.

Abstract

A compact, all-room-temperature, widely tunable, continuous wave laser source in the green spectral region (502.1–544.2 nm) with a maximum output power of 14.7 mW is demonstrated. This was made possible by utilizing second-harmonic generation (SHG) in a periodically poled potassium titanyl phosphate (PPKTP) crystal waveguide pumped by a quantum-well external-cavity fiber-coupled diode laser and exploiting the multimode-matching approach in nonlinear crystal waveguides. The dual-wavelength SHG in the wavelength region between 505.4 and 537.7 nm (with a wavelength difference ranging from 1.8 to 32.3 nm) and sum-frequency generation in a PPKTP waveguide is also demonstrated.

Publication DOI: https://doi.org/10.1364/OL.41.005098
Divisions: Engineering & Applied Sciences > Aston Institute of Photonics Technology
Additional Information: © 2016 Optical Society of America. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modifications of the content of this paper are prohibited.
Uncontrolled Keywords: Atomic and Molecular Physics, and Optics
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Related URLs: http://www.scop ... tnerID=8YFLogxK (Scopus URL)
Published Date: 2016-11-01
Authors: Fedorova, Ksenia A. ( 0000-0002-2765-9951)
Wong, Christine D.
Kaleva, Christopher M.
Bakshaev, Ilia O.
Livshits, Daniil A.
Rafailov, Edik U. ( 0000-0002-4152-0120)

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