Absence of long-range coherence in the parametric emission of photonic wires

Year: 2006

Authors: Wouters M., Carusotto I.

Autors Affiliation: Univ Trent, BEC CNR INFM, I-38050 Trento, Italy; Univ Trent, Dipartimento Fis, I-38050 Trento, Italy; Univ Antwerp VIB, TFVS, B-2610 Antwerp, Belgium.

Abstract: We analytically investigate the spatial coherence properties of the signal emission from one-dimensional optical parametric oscillators. Because of the reduced dimensionality, quantum fluctuations are able to destroy the long-range phase coherence even far above threshold. The spatial decay of coherence is exponential and, for realistic parameters of semiconductor photonic wires in the strong exciton-photon coupling regime, it is predicted to occur on an experimentally accessible length scale.

Journal/Review: PHYSICAL REVIEW B

Volume: 74 (24)      Pages from: 245316-1  to: 245316-6

KeyWords: Fluctuations
DOI: 10.1103/PhysRevB.74.245316

Citations: 48
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