Angle-Resonant Stimulated Polariton Amplifier


Savvidis, P.G., Baumberg, J.J., Stevenson, R.M., Skolnick, M.S., Whittaker, D.M. and Roberts, J.S. (2000) Angle-Resonant Stimulated Polariton Amplifier. PHYSICAL REVIEW LETTERS, 84, (7), 1547-1550.

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Description/Abstract

We experimentally demonstrate resonant coupling between photons and excitons in microcavities which can efficiently generate enormous single-pass optical gains approaching 100. This new parametric phenomenon appears as a sharp angular resonance of the incoming pump beam, at which the moving excitonic polaritons undergo very large changes in momentum. Ultrafast stimulated scattering is clearly identified from the exponential dependence on pump intensity. This device utilizes boson amplification induced by stimulated energy relaxation.

Item Type: Article
Divisions: Faculty of Physical Sciences and Engineering > Electronics and Computer Science > NANO
ePrint ID: 256716
Date Deposited: 08 Aug 2002
Last Modified: 27 Mar 2014 19:58
Further Information:Google Scholar
ISI Citation Count:502
URI: http://eprints.soton.ac.uk/id/eprint/256716

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