Sub-cycle switching of a photonic bandstructure via ultrastrong light-matter coupling

Ménard, J. M. and Porer, M. and Leitenstorfer, A. and Huber, R. and Degl'Innocenti, Riccardo and Zanotto, S. and Biasiol, G. and Sorba, L. and Tredicucci, A. (2013) Sub-cycle switching of a photonic bandstructure via ultrastrong light-matter coupling. In: 18th International Conference on Ultrafast Phenomena, UP 2012. EDP Sciences, CHE. ISBN 9782759809561

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Abstract

Phase-locked multi-terahertz transients map out the full photonic bandstructure of a one-dimensional photonic crystal while a 12-fs control pulse activates ultrastrong interaction on a sub-cycle time scale with quantized electronic transitions in semiconductor quantum wells. We trace the build-up dynamics of a large vacuum Rabi splitting and observe an unexpected asymmetric formation of the upper and lower polariton bands. The pronounced flattening of the photonic bands causes a slow-down of the group velocity by one order of magnitude on the time scale of the oscillation period of light.

Item Type:
Contribution in Book/Report/Proceedings
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100
Subjects:
ID Code:
89520
Deposited By:
Deposited On:
08 Jan 2018 14:50
Refereed?:
Yes
Published?:
Published
Last Modified:
01 Jan 2020 10:47