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Instabilities and chaos in quantum optics II; Proceedings of the NATO Advanced Study Institute, Il Ciocco, Italy, June 28-July 7, 1987

N. B. Abraham, F. T. Arecchi, Luigi A. Lugiato

Published Jan 1, 1988• 7 citations
OpenAlex

Abstract

The following topics are considered: laser and maser instabilities, classical and quantum noise, transverse effects, dynamics in optical bistability and nonlinear optical media, and methods of analysis in nonlinear dynamics. Particular papers are presented on multistability and chaos in a two-photon microscopic maser, quantum chaos in quantum optics, spatial chaos in bistable optical arrays, four-wave mixing and dynamics, and bifurcation problems in nonlinear optics.

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The dynamics of optical nonlinearity in the presence of gain and feedback can be complex leading to chaos in certain regimes. Temporal, spectral, spatial, or polarization instability of optical fields can emerge from chaotic response of an optical [Formula: see text] or [Formula: see text] nonlinear medium placed between two cavity mirrors or before a single feedback mirror. The complex mode dynamics, high-order correlations, and transition to instability in these systems are not well known. We consider a [Formula: see text] medium with amplified four-wave mixing process and study noise and correlation between multiple optical modes. Although individual modes show intensity instability, we observe relative intensity noise reduction close to the standard quantum noise, limited by the camera speed. We observe a relative noise reduction of more than 20 dB and fourth-order intensity correlation between four spatial modes. More than 100 distinct correlated quadruple modes can be generated using this process.

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Topical Meeting on Optical Bistability (OB3) held in Tuscon, Arizona on Dec 2-4, 1985.

Adolf W. Lohmann, Demetri Psaltis, Stanley Desmond Smith +2 more

The topical meeting on Optical Bistability provided an international interdisciplinary forum for the exchange of knowledge on the progress of various aspects of optical bistability and optical nonlinearities. The three day program addressed six key areas: 1) Optical bistability in various materials; physics and applications; optical logic gates; etalon and waveguide devices; 2) New schemes and models for optical bistability, including increasing absorption, polarization, crosstrapping bistability, and bistability with surface plasmons; 3) Transverse and longitudinal effects including diffusion, conduction, diffraction, and absorption; 4) Instabilities, noise, fluctuations, and optical chaos; 5) Optical nonlinearities and optical materials including organic, liquid crystal, and semiconductor and photorefractive materials; and 6) Optical computing including architecture, cascading problems, parallel operations, and associate memory phenomena. A total of 97 papers were presented during the three day meeting. Keywords: Symposia abstracts; Nonlinear optical materials; Optoelectronics; Nonlinear guided waves; Chaos and instabilities.

•Dec 31, 1986•0 citations
The following topics are considered: laser and maser instabilities, classical and quantum noise, transverse effects, dynamics in optical bistability and nonlinear optical media, and methods of analysis in nonlinear dynamics. Particular papers are presented on multistability and chaos in a two-photon microscopic maser, quantum chaos in quantum optics, spatial chaos in bistable optical arrays, four-wave mixing and dynamics, and bifurcation problems in nonlinear optics.
The physical aspects of the manifestation of optical bistability, instabilities, and stochasticity in strongly nonlinear media in the form of liquid crystals subjected to laser radiation fields are discussed. The stress is on experimental research. Optical bistability and multistability are considered for a number of light-induced effects in homogeneous and inhomogeneous liquid crystals. The special features of these effects in liquids crystals, associated with the field-induced structural phase transitions, are stressed and the concept of intrinsic (mirrorless) optical bistability is introduced. General nonlinear systems with optical bistability are considered. An analysis is made of instabilities and stochasticity manifested in experiments on light-induced reorientation of liquid crystals in the presence of fields of different origin, giving rise to oscillatory and chaotic processes in the case of self-modulation of the transmitted light.
The dynamics of optical nonlinearity in the presence of gain and feedback can be complex leading to chaos in certain regimes. Temporal, spectral, spatial, or polarization instability of optical fields can emerge from chaotic response of an optical [Formula: see text] or [Formula: see text] nonlinear medium placed between two cavity mirrors or before a single feedback mirror. The complex mode dynamics, high-order correlations, and transition to instability in these systems are not well known. We consider a [Formula: see text] medium with amplified four-wave mixing process and study noise and correlation between multiple optical modes. Although individual modes show intensity instability, we observe relative intensity noise reduction close to the standard quantum noise, limited by the camera speed. We observe a relative noise reduction of more than 20 dB and fourth-order intensity correlation between four spatial modes. More than 100 distinct correlated quadruple modes can be generated using this process.
The topical meeting on Optical Bistability provided an international interdisciplinary forum for the exchange of knowledge on the progress of various aspects of optical bistability and optical nonlinearities. The three day program addressed six key areas: 1) Optical bistability in various materials; physics and applications; optical logic gates; etalon and waveguide devices; 2) New schemes and models for optical bistability, including increasing absorption, polarization, crosstrapping bistability, and bistability with surface plasmons; 3) Transverse and longitudinal effects including diffusion, conduction, diffraction, and absorption; 4) Instabilities, noise, fluctuations, and optical chaos; 5) Optical nonlinearities and optical materials including organic, liquid crystal, and semiconductor and photorefractive materials; and 6) Optical computing including architecture, cascading problems, parallel operations, and associate memory phenomena. A total of 97 papers were presented during the three day meeting. Keywords: Symposia abstracts; Nonlinear optical materials; Optoelectronics; Nonlinear guided waves; Chaos and instabilities.