A semiconductor-based photonic memory cell

Citation
S. Zimmermann et al., A semiconductor-based photonic memory cell, SCIENCE, 283(5406), 1999, pp. 1292-1295
Citations number
13
Categorie Soggetti
Multidisciplinary,Multidisciplinary,Multidisciplinary
Journal title
SCIENCE
ISSN journal
00368075 → ACNP
Volume
283
Issue
5406
Year of publication
1999
Pages
1292 - 1295
Database
ISI
SICI code
0036-8075(19990226)283:5406<1292:ASPMC>2.0.ZU;2-9
Abstract
Photonic signals were efficiently stored in a semiconductor-based memory ce ll. The incident photons were converted to electron-hole pairs that were lo cally stored in a quantum well that was Laterally modulated by a field-effe ct tunable electrostatic superlattice. At Large superlattice potential ampl itudes, these pairs were stored for a time that was at least five orders of magnitude Longer than their natural Lifetime. At an arbitrarily chosen tim e, they were released in a short and intense flash of incoherent light, whi ch was triggered by flattening the superlattice amplitude.