PHz current switching in calcium fluoride single crystal
Authors:
- 9 May 2016
- journal article
- conference paper
- Published by AIP Publishing in Applied Physics Letters
- Vol. 108 (19) , 191112
Abstract
We demonstrate that a current can be induced and switched in a sub-femtosecond time-scale in an insulating calcium fluoride single crystal by an intense optical field. This measurement indicates that a sizable current can be generated and also controlled by an optical field in a dielectric medium, implying the capability of rapid current switching at a rate of optical frequency, PHz (1015 Hz), which is a couple of orders of magnitude higher than that of contemporary electronic signal processing. This demonstration may serve to facilitate the development of ultrafast devices in PHz frequency.Keywords
Funding Information
- Ministry of Science, ICT and Future Planning (2009-00439, 2011-0031558)
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