We demonstrate an approach in which visible-wavelength-emitting quantum dots (QDs) are integrated within a polymer-based photonic crystal (PC) and excited by an ultraviolet-emitting LED. The PC design incorporates two interleaved regions, each with distinct periods in orthogonal directions to enable simultaneous resonant coupling of ultraviolet excitation photons to the QDs and visible QD emission at two different wavelengths to efficiently extract photons normal to the PC surface. The combined excitation and extraction enhancements result in a 5.8X increase in the QD output intensity. Further, we demonstrate multiple QD-doped PCs combined on a single surface to optimally couple with distinct populations of QDs, offering a means for blending color output and directionality of multiple wavelengths.

Original languageEnglish (US)
Title of host publication2015 Conference on Lasers and Electro-Optics, CLEO 2015
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781557529688
StatePublished - Aug 10 2015
EventConference on Lasers and Electro-Optics, CLEO 2015 - San Jose, United States
Duration: May 10 2015May 15 2015

Publication series

NameConference on Lasers and Electro-Optics Europe - Technical Digest


OtherConference on Lasers and Electro-Optics, CLEO 2015
Country/TerritoryUnited States
CitySan Jose


  • Computers
  • Light emitting diodes
  • Photonic crystals
  • Photonics
  • Quantum computing
  • Quantum dots
  • Surface waves

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics
  • Electronic, Optical and Magnetic Materials


Dive into the research topics of 'Region specific enhancement of quantum dot emission using interleaved two-dimensional photonic crystals'. Together they form a unique fingerprint.

Cite this