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Enhancement of two-photon emission in photonic crystals

  • Przemyslaw Markowicz
  • , Christopher Friend
  • , Yuzhen Shen
  • , Jacek Swiatkiewicz
  • , Paras N. Prasad
  • , Ovidiu Toader
  • , Sajeev John
  • , Robert W. Boyd
  • SUNY Buffalo

Research output: Contribution to journalArticlepeer-review

34 Scopus citations

Abstract

We report the influence of photonic stopgaps on two-photon excited emission from highly efficient nonlinear chromophores infiltrated into high-quality photonic crystals. We have observed a sharp decrease (filter effect) in emission within the frequency range and direction of the stopgap as well as sharp enhancement of the two-photon excited emission associated with the stopgap's edge. This effect may be important for the development of low-threshold upconversion lasers.

Original languageEnglish
Pages (from-to)351-353
Number of pages3
JournalOptics Letters
Volume27
Issue number5
DOIs
StatePublished - Mar 1 2002

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