Modification of two-photon excited fluorescence from quantum dots on SiN photonic crystals

Xingsheng Xu, Toshiki Yamada, Shiyoshi Yokoyama

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

We investigate two-photon excited fluorescence from CdSe quantum dots with a center-emitting wavelength of 655 nm on SiN photonic crystals. We find that two-photon excited fluorescence is enhanced by more than 1 order of magnitude in the vertical direction when a photonic crystal is used compared to the fluorescence spectra in the absence of photonic crystals. The spectrum of two-photon excited fluorescence from quantum dots on SiN photonic crystal is observed to shift to blue compared to that from quantum dots on SiN without photonic crystals.

Original languageEnglish
Pages (from-to)309-311
Number of pages3
JournalOptics Letters
Volume35
Issue number3
DOIs
Publication statusPublished - Feb 1 2010

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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