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Titolo:
Classical information entropy and phase distributions of optical fields
Autore:
Miranowicz, A; Matsueda, H; Wahiddin, MRB;
Indirizzi:
Kochi Univ, Dept Informat Sci, Kochi 7808520, Japan Kochi Univ Kochi Japan 7808520 , Dept Informat Sci, Kochi 7808520, Japan Adam Mickiewicz Univ, Inst Phys, Div Nonlinear Opt, PL-61614 Poznan, Poland Adam Mickiewicz Univ Poznan Poland PL-61614 Opt, PL-61614 Poznan, Poland Univ Malaya, Inst Math Sci, Kuala Lumpur 50603, Malaysia Univ Malaya Kuala Lumpur Malaysia 50603 ci, Kuala Lumpur 50603, Malaysia
Titolo Testata:
JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL
fascicolo: 29, volume: 33, anno: 2000,
pagine: 5159 - 5169
SICI:
0305-4470(20000728)33:29<5159:CIEAPD>2.0.ZU;2-V
Fonte:
ISI
Lingua:
ENG
Soggetto:
SAMPLING ENTROPIES; SPACE MEASUREMENT; QUANTUM; UNCERTAINTY; STATES;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
27
Recensione:
Indirizzi per estratti:
Indirizzo: Miranowicz, A Kochi Univ, Dept Informat Sci, 2-5-1 Akebono Cho, Kochi 7808520, Japan Kochi Univ 2-5-1 Akebono Cho Kochi Japan 7808520 520, Japan
Citazione:
A. Miranowicz et al., "Classical information entropy and phase distributions of optical fields", J PHYS A, 33(29), 2000, pp. 5159-5169

Abstract

The Wehrl phase distribution is defined as a phase density of the Wehrl classical information entropy. The new measure is applied to describe the quantum phase properties of some optical fields including Pock states, coherent and squeezed states, and superposition of chaotic and coherent fields. The Wehrl phase distribution is compared with both the conventional Wehrl entropy and Husimi phase distribution (the marginal Husimi Q-function). It is shown that the Wehrl phase distribution is a good measure of the phase-space uncertainty (noise), phase locking and phase bifurcation effects. It is also demonstrated that the Wehrl phase distribution properly describes phaserandomization processes, and thus can be used in a description of the quantum optical phase.

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Documento generato il 21/09/20 alle ore 14:45:20