Enhanced Photoluminescence from Embedded PbSe Colloidal Quantum Dots in Silicon-Based Random Photonic Crystal Microcavities

نویسندگان

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

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.

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تاریخ انتشار 2008