Measuring Large Optical Transmission Matrices of Disordered Media
Name
Yu-2013-Measuring large optical.pdf
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Author(s)
Yu, Hyeonseung
Hillman, Timothy Robert
Choi, Wonshik
Lee, Ji Oon
Feld, Michael S.
Park, YongKeun
Dasari, Ramachandra Rao
Date Issued
October 2013
Journal
Physical Review Letters
Publisher
American Physical Society
Citation
Yu, Hyeonseung, Timothy R. Hillman, Wonshik Choi, Ji Oon Lee, Michael S. Feld, Ramachandra R. Dasari, and YongKeun Park. “Measuring Large Optical Transmission Matrices of Disordered Media.” Physical Review Letters 111, no. 15 (October 2013). © 2013 American Physical Society
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Final published version
Abstract
We report a measurement of the large optical transmission matrix (TM) of a complex turbid medium. The TM is acquired using polarization-sensitive, full-field interferometric microscopy equipped with a rotating galvanometer mirror. It is represented with respect to input and output bases of optical modes, which correspond to plane wave components of the respective illumination and transmitted waves. The modes are sampled so finely in angular spectrum space that their number exceeds the total number of resolvable modes for the illuminated area of the sample. As such, we investigate the singular value spectrum of the TM in order to detect evidence of open transmission channels, predicted by random-matrix theory. Our results comport with theoretical expectations, given the experimental limitations of the system. We consider the impact of these limitations on the usefulness of transmission matrices in optical measurements.
MIT Department
Massachusetts Institute of Technology. Department of Chemistry
Massachusetts Institute of Technology. Spectroscopy Laboratory
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DOI of Published Version
https://doi.org/10.1103/PhysRevLett.111.153902
