Theory of the angle-resonant polariton amplifier

A microscopic theory is presented for the giant amplification from microcavities in the strong exciton-photon coupling regime, providing excellent agreement with recent angle-resolved pump-probe experiments. The analytical and numerical solutions give insight into the physics of the polariton parametric amplifier. The coherent gain, due to polariton four-wave-mixing, has a threshold dependence on the pump power and is spectrally blueshifted from the lower polariton energy. The gain shift does not depend on the power, but on the unperturbed polariton linewidth.


Published in:
Physical Review B, 62, 8, R4825-R4828
Year:
2000
ISSN:
0163-1829
Keywords:
Note:
Swiss Fed Inst Technol, Dept Phys, EPFL, CH-1015 Lausanne, Switzerland. Syst Anal Div, CH-3003 Bern, Switzerland. Ciuti, C, Swiss Fed Inst Technol, Dept Phys, EPFL, CH-1015 Lausanne, Switzerland.
ISI Document Delivery No.: 348TU
Times Cited: 65
Cited Reference Count: 19
Cited References:
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 Record created 2007-08-31, last modified 2018-01-28


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