Coherence Dynamics of the Exciton-Polariton System in GaAs Microcavities under Pulse Resonant Photoexcitation
- Institute of Solid State Physics, Russian Academy of Sciences (Russian Federation)
It is found that exciton-polariton systems resonantly excited in GaAs semiconductor microcavities by coherent picosecond laser pulses inherit the high coherence of the laser beam and retain it for their lifetime (>100 ps), while the coherence-formation time in polariton systems resonantly excited by incoherent pulses without excitation of the exciton reservoir exceeds 200 ps.
- OSTI ID:
- 22944814
- Journal Information:
- Semiconductors, Journal Name: Semiconductors Journal Issue: 10 Vol. 53; ISSN SMICES; ISSN 1063-7826
- Country of Publication:
- United States
- Language:
- English
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