Control of photon storage time using phase

Title
Control of photon storage time using phase
Authors
Ham, Byoung S.
Issue Date
2010-01-14
Publisher
Optics Express
Abstract
A photon echo storage-time extension protocol is presented by
using a phase locking method in a three-level backward propagation
scheme, where phase locking serves as a conditional stopper of the
rephasing process in conventional two-pulse photon echoes. The backward
propagation scheme solves the critical problems of extremely low retrieval
efficiency and π rephasing pulse-caused spontaneous emission noise in
photon echo based quantum memories. The physics of the storage time
extension lies in the imminent population transfer from the excited state to
an auxiliary spin state by a phase locking control pulse. We numerically
demonstrate that the storage time is lengthened by spin dephasing time.
URI
http://dspace.inha.ac.kr/handle/10505/1301
ISSN
10944087
Appears in Collections:
College of Engineering(공과대학) > Electrical Engineering (전기공학) > Local Access Journal, Report (전기공학 논문, 보고서)
Files in This Item:
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