Rao, S. M., Heitz, J. J. F., Roger, T., Westerberg, N. and Faccio, D. (2014) Coherent control of light interaction with graphene. Optics Letters, 39(18), pp. 5345-5347. (doi: 10.1364/OL.39.005345) (PMID:26466267)
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Abstract
We report the experimental observation of all-optical modulation of light in a graphene film. The graphene film is scanned across a standing wave formed by two counter-propagating laser beams in a Sagnac interferometer. Through a coherent absorption process the on-axis transmission is modulated with close to 80% efficiency. Furthermore, we observe modulation of the scattered energy by mapping the off-axis scattered optical signal: scattering is minimized at a node of the standing wave pattern and maximized at an antinode. The results highlight the possibility to switch and modulate any given optical interaction with deeply sub-wavelength films.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Faccio, Professor Daniele and Westerberg, Dr Niclas |
| Authors: | Rao, S. M., Heitz, J. J. F., Roger, T., Westerberg, N., and Faccio, D. |
| College/School: | College of Science and Engineering > School of Physics and Astronomy |
| Journal Name: | Optics Letters |
| Publisher: | Optical Society of America |
| ISSN: | 0146-9592 |
| ISSN (Online): | 1539-4794 |
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