Spontaneous excitation of atoms near a phase conjugating mirror

It is shown by means of a semiclassical theory that the ground state of a localized collection of two-level atoms is unstable when the atomic sample is sufficiently close to a phase-conjugating mirror with high gain. Any small disturbance causes the atoms to become excited and begin fluorescing, the...

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Veröffentlicht in:	IEEE J. Quant. Electron.; (United States) 1988-07, Vol.24 (7), p.1383-1387
Hauptverfasser:	Cook, R.J., Milonni, P.W.
Format:	Artikel
Sprache:	eng
Schlagworte:	640302 - Atomic, Molecular & Chemical Physics- Atomic & Molecular Properties & Theory 657002 - Theoretical & Mathematical Physics- Classical & Quantum Mechanics AMPLIFICATION ATOMIC AND MOLECULAR PHYSICS Atomic measurements ATOMS CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS EMISSION ENERGY LEVELS ENERGY-LEVEL TRANSITIONS Exact sciences and technology FLUORESCENCE Fundamental areas of phenomenology (including applications) GAIN GEOMAGNETIC CONJUGACY GROUND STATES Laboratories LUMINESCENCE MIRRORS Nonlinear optics Optical reflection Optics Phase change materials PHOTON EMISSION Physics SEMICLASSICAL APPROXIMATION Spontaneous emission Springs Stationary state STIMULATED EMISSION SUPERRADIANCE Testing
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Beschreibung
Zusammenfassung:	It is shown by means of a semiclassical theory that the ground state of a localized collection of two-level atoms is unstable when the atomic sample is sufficiently close to a phase-conjugating mirror with high gain. Any small disturbance causes the atoms to become excited and begin fluorescing, the fluorescence taking the form of a sequence of superradiant pulses. Experiments to test this prediction seem possible.< >
ISSN:	0018-9197 1558-1713
DOI:	10.1109/3.977