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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 36, Iss. 20 — Oct. 15, 2011
  • pp: 3990–3992

Slow-light-enhanced upconversion for photovoltaic applications in one-dimensional photonic crystals

Craig M. Johnson, Peter J. Reece, and Gavin J. Conibeer  »View Author Affiliations


Optics Letters, Vol. 36, Issue 20, pp. 3990-3992 (2011)
http://dx.doi.org/10.1364/OL.36.003990


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Abstract

We present an approach to realizing enhanced upconversion efficiency in erbium (Er)-doped photonic crystals. Slow-light-mode pumping of the first Er excited state transition can result in enhanced emission from higher-energy levels that may lead to finite subbandgap external quantum efficiency in crystalline silicon solar cells. Using a straightforward electromagnetic model, we calculate potential field enhancements of more than 18 × within he slow-light mode of a one-dimensional photonic crystal and discuss design trade-offs and considerations for photovoltaics.

© 2011 Optical Society of America

OCIS Codes
(190.7220) Nonlinear optics : Upconversion
(250.5230) Optoelectronics : Photoluminescence
(130.7405) Integrated optics : Wavelength conversion devices

ToC Category:
Integrated Optics

History
Original Manuscript: August 1, 2011
Revised Manuscript: September 7, 2011
Manuscript Accepted: September 7, 2011
Published: October 5, 2011

Citation
Craig M. Johnson, Peter J. Reece, and Gavin J. Conibeer, "Slow-light-enhanced upconversion for photovoltaic applications in one-dimensional photonic crystals," Opt. Lett. 36, 3990-3992 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-20-3990

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