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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 3 — Jan. 30, 2012
  • pp: 2452–2459

Model calculations for enhanced fluorescence in photonic crystal phosphor

Kyungtaek Min, Yun-Kyoung Choi, and Heonsu Jeon  »View Author Affiliations


Optics Express, Vol. 20, Issue 3, pp. 2452-2459 (2012)
http://dx.doi.org/10.1364/OE.20.002452


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Abstract

We propose a novel photonic structure, based on the photonic crystal (PC) effect, which simulations show results in an improved fluorescence efficiency from embedded phosphor. To be specific, the phosphor pumping efficiency can be significantly improved by tuning the pump photon energy to a photonic band-edge (PBE) of the PC phosphor. We have confirmed this theoretically by calculating optical properties of one-dimensional PC phosphor structures using the transfer-matrix method and plane-wave expansion method. For a particular model structure based on a quantum dot phosphor, the fluorescence enhancement factor was estimated to be as high as 6.9 for a monochromatic pump source and 2.2 for a broad bandwidth (20 nm) pump source.

© 2012 OSA

OCIS Codes
(230.1480) Optical devices : Bragg reflectors
(260.2510) Physical optics : Fluorescence
(310.4165) Thin films : Multilayer design
(230.5298) Optical devices : Photonic crystals
(230.7405) Optical devices : Wavelength conversion devices

ToC Category:
Photonic Crystals

History
Original Manuscript: October 24, 2011
Revised Manuscript: December 7, 2011
Manuscript Accepted: January 3, 2012
Published: January 19, 2012

Citation
Kyungtaek Min, Yun-Kyoung Choi, and Heonsu Jeon, "Model calculations for enhanced fluorescence in photonic crystal phosphor," Opt. Express 20, 2452-2459 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-3-2452


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