Photon Storage with Nanosecond Switching in Coupled Quantum Well Nanostructures

Photon storage with nanosecond switching was implemented with indirect excitons in coupled quantum well nanostructures. The storage and release of photons was controlled by the gate voltage pulses. The nanosecond write and readout times were much shorter than the storage time, which reached microsec...

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Bibliographic Details
Published in:Nano letters 2007-05, Vol.7 (5), p.1349-1351
Main Authors: Winbow, Alexander G, Hammack, Aaron T, Butov, Leonid V, Gossard, Arthur C
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Condensed matter: structure, mechanical and thermal properties
Cross-disciplinary physics: materials science
rheology
Electron states
Exact sciences and technology
Excitons and related phenomena
Low-dimensional structures (superlattices, quantum well structures, multilayers): structure, and nonelectronic properties
Materials science
Nanocrystalline materials
Nanoscale materials and structures: fabrication and characterization
Physics
Quantum wells
Surfaces and interfaces
thin films and whiskers (structure and nonelectronic properties)
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Summary:Photon storage with nanosecond switching was implemented with indirect excitons in coupled quantum well nanostructures. The storage and release of photons was controlled by the gate voltage pulses. The nanosecond write and readout times were much shorter than the storage time, which reached microseconds. Furthermore, the presented control of excitons on a time scale much shorter than the exciton lifetime demonstrates the feasibility of studying excitons in in situ controlled electrostatic traps.
ISSN:1530-6984
1530-6992
DOI:10.1021/nl070386c