Quantum dot focal plane array with plasmonic resonator

Sanjay Krishna

doi:10.1117/12.895274

12 September 2011 Quantum dot focal plane array with plasmonic resonator

Sanjay Krishna

Proceedings Volume 8095, Active Photonic Materials IV; 809506 (2011) https://doi.org/10.1117/12.895274
Event: SPIE NanoScience + Engineering, 2011, San Diego, California, United States

Abstract

In the recent past, there has been an increasing interest in coupling surface plasmon structures with detectors. There are three main reasons that this approach has been exciting. The first is due to the fact that plasmonic structures can incorporate enhanced functionality such as color, polarization and dynamic range in the pixel. The second is the enhancement of the near-field electromagnetic field, which can be exploited for enhanced absorption and photocurrent. Thirdly, the electromagnetic field can be concentrated to a deep-subwavelength region. If the absorber is placed at the field point of the concentrator, the signal to noise ratio and the speed of the detector can be dramatically increased. In this paper, we report on some of our results on the use of plasmonic structures with quantum dot focal plane arrays.

Citation Download Citation

Sanjay Krishna "Quantum dot focal plane array with plasmonic resonator", Proc. SPIE 8095, Active Photonic Materials IV, 809506 (12 September 2011); https://doi.org/10.1117/12.895274

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