517 nm - 538 nm tunable second harmonic generation in a diode-pumped PPKTP waveguide crystal

K.A. Fedorova, P.R. Battle, D.A. Livshits, E.U. Rafailov

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Abstract

Tunable continuous wave (CW) green light generation between 517 nm and 538 nm at room-temperature has been demonstrated from a frequency-doubled broadly tunable quantum well (QW) external-cavity fiber-coupled diode laser by use of an uncoated periodically poled potassium titanyl phosphate (PPKTP) crystal aveguide crystal. Green light at 530 nm with maximum conversion efficiency of 14.8% and output power of 12.88 mW has been generated using a PPKTP crystal waveguide with the cross-sectional area of 3x5μm2. The possibility of tunable second harmonic generation in the PPKTP crystal waveguides with the cross-sectional areas of 4x4μm2 and 2x6μm2 was also investigated.
Original languageEnglish
Number of pages6
JournalSPIE proceedings
DOIs
Publication statusPublished - 27 Feb 2015
EventNonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XIV - San Francisco, United States
Duration: 9 Feb 201512 Feb 2015

Bibliographical note

K. A. Fedorova ; P. R. Battle ; D. A. Livshits and E. U. Rafailov. "517nm - 538nm tunable second harmonic generation in a diode-pumped PPKTP waveguide crystal", Proc. SPIE 9347, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XIV, 93470D (February 27, 2015).

Copyright 2015. 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.

DOI: http://dx.doi.org/10.1117/12.2078334

Keywords

  • nonlinear crystals
  • PPKTP
  • quantum dot lasers
  • second harmonic generation
  • waveguides

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    Coscelli, E., Poli, F., Li, J., Cucinotta, A. & Selleri, S., 27 Feb 2015, Nonlinear frequency generation and conversion: materials, devices, and applications XIV. SPIE, 9 p. 93471P. (SPIE proceedings; vol. 9347).

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