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Bio-organism detection in one-dimensional photonic crystals using electromagnetically induced transparency |
Optics Letters, Vol. 37, Issue 3, pp. 410-412 (2012)
http://dx.doi.org/10.1364/OL.37.000410
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Abstract
We propose an optical sensor that allows site-selective detection of a refractive index change occurring due to any infiltration such as a bio-organism in a porous one-dimensional photonic crystal (PC). We use the electromagnetically induced transparency (EIT) to detect and locate the infiltration. With a localized change in the refractive index, the maximum of the peak EIT transmission shifts, which is determined by tuning the control field frequency. The strong dispersion and the narrowing of the absorption free response associated with EIT within the PC form the basis of such enhanced sensitivity.
© 2012 Optical Society of America
OCIS Codes
(270.1670) Quantum optics : Coherent optical effects
(280.1415) Remote sensing and sensors : Biological sensing and sensors
(350.4238) Other areas of optics : Nanophotonics and photonic crystals
ToC Category:
Remote Sensing and Sensors
History
Original Manuscript: November 3, 2011
Revised Manuscript: December 7, 2011
Manuscript Accepted: December 8, 2011
Published: February 1, 2012
Virtual Issues
Vol. 7, Iss. 4 Virtual Journal for Biomedical Optics
Citation
Jolly Jose and Harshawardhan Wanare, "Bio-organism detection in one-dimensional photonic crystals using electromagnetically induced transparency," Opt. Lett. 37, 410-412 (2012)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ol-37-3-410
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