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Published October 19, 2009 | Published
Journal Article Open

A multispectral and polarization-selective surface-plasmon resonant midinfrared detector

Abstract

We demonstrate a multispectral polarization sensitive midinfrared dots-in-a-well photodetector utilizing surface-plasmonic resonant elements, with tailorable frequency response and polarization selectivity. The resonant responsivity of the surface-plasmon detector shows an enhancement of up to five times that of an unpatterned control detector. As the plasmonic resonator involves only surface patterning of the top metal contact, this method is independent of light-absorbing material and can easily be integrated with current focal plane array processing for imaging applications.

Additional Information

© 2009 American Institute of Physics. Received 15 July 2009; accepted 10 September 2009; published online 19 October 2009. The authors would like to thank R. Perahia for help in the initial device processing. This work was supported by the AFOSR through Grant No. FA9550-06-1-0443 and MURI Grant No. FA9550-04-1-0434, the AFRL through Grant No. FA9453-07-C-0171, and the IC post-doctoral program.

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Created:
August 19, 2023
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October 19, 2023