Generation of tunable visible picosecond pulses by frequency-doubling of a quantum-dot laser in a PPKTP waveguide

Fedorova, Ksenia A.; Sokolovskii, Grigorii S.; Nikitichev, Daniil I.; Battle, Philip R.; Livshits, Daniil A. and Rafailov, Edik U. Generation of tunable visible picosecond pulses by frequency-doubling of a quantum-dot laser in a PPKTP waveguide. IN: Nonlinear frequency generation and conversion. Vodopyanov, Konstantin L. (ed.) SPIE proceedings . SPIE.

Abstract

We demonstrate a compact all-room-temperature picosecond laser source broadly tunable in the visible spectral region between 600 nm and 627 nm. The tunable radiation is obtained by frequency-doubling of a tunable quantum-dot external-cavity mode-locked laser in a periodically-poled KTP multimode waveguide. In this case, utilization of a significant difference in the effective refractive indices of the high- and low-order modes enables to match the period of poling in a very broad wavelength range. The maximum achieved second harmonic output peak power is 3.25 mW at 613 nm for 71.43 mW of launched pump peak power at 1226 nm, resulting in conversion efficiency of 4.55%.

Publication DOI: https://doi.org/10.1117/12.2002869
Divisions: Engineering & Applied Sciences > Institute of Photonics
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Additional Information: Fedorova, Ksenia A.; Sokolovskii, Grigorii S.; Nikitichev, Daniil I.; Battle, Philip R.; Livshits, Daniil A.; Rafailov, Edik U., "Generation of tunable visible picosecond pulses by frequency-doubling of a quantum-dot laser in a PPKTP waveguide", "Nonlinear frequency generation and conversion: materials, devices, and applications XII.", Konstantin L. Vodopyanov. 8604 (2013). Copyright 2013 Society of Photo-Optical Instrumentation Engineers. 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 modification of the content of the paper are prohibited. http://dx.doi.org/10.1117/12.2002869
Event Title: Nonlinear frequency generation and conversion : materials, devices, and applications XII
Event Type: Other
Event Dates: 2013-02-05 - 2013-02-07

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