Enhanced photoluminescence from embedded PbSe colloidal quantum dots in silicon-based random photonic crystal microcavities

  • Jun Yang
  • , Junseok Heo
  • , Ting Zhu
  • , Jian Xu
  • , Juraj Topolancik
  • , Frank Vollmer
  • , Rob Ilic
  • , Pallab Bhattacharya

Research output: Contribution to journalArticlepeer-review

32 Scopus citations

Abstract

The experimental observation of enhanced photoluminescence from high- Q silicon-based random photonic crystal microcavities embedded with PbSe colloidal quantum dots is being reported. The emission is optically excited at room temperature by a continuous-wave Ti-sapphire laser and exhibits randomly distributed localized modes with a minimum spectral linewidth of 4 nm at 1.5 μm wavelength.

Original languageEnglish (US)
Article number261110
JournalApplied Physics Letters
Volume92
Issue number26
DOIs
StatePublished - 2008

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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