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Time-resolved infrared photoluminescence spectroscopy using parametric three-wave mixing with angle-tuned phase matching

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  • Soren Roesgaard
  • ,
  • Lichun Meng, Technical University of Denmark
  • ,
  • Peter Tidemand-Lichtenberg, Technical University of Denmark
  • ,
  • Jeppe Seidelin Dam, Technical University of Denmark
  • ,
  • Peter John Rodrig, Technical University of Denmark
  • ,
  • Christian Pedersen, Technical University of Denmark
  • ,
  • Brian Julsgaard

A setup for time-resolved photoluminescence spectroscopy, based on parametric three-wave mixing in a periodically poled lithium niobate crystal, is characterized. Special attention is given to adjusting the phase matching condition by angle tuning of the luminescent light relative to a strong, continuous-wave laser beam within the crystal. The detection system is capable of operating at room temperature and in a wavelength range from 1.55 to 2.20 mu m. Its sensitivity is compared to a commercial photomultiplier, and its capability of nanosecond time resolution is demonstrated. (C) 2018 Optical Society of America

Original languageEnglish
JournalOptics Letters
Pages (from-to)3001-3004
Number of pages4
Publication statusPublished - 15 Jun 2018

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