Conical emission as cooperative fluorescence

We have observed conical emission from a dense, strongly driven ensemble of two-level atoms without noticeable self-focusing. We present the arguments that conical emission, unaffected by autocollimation, is due to cooperative, [hacek C]erenkov-like, spontaneous emission of collisionally perturbed,...

Full description

Saved in:
Bibliographic Details
Published in:Physical review. A, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 1994-04, Vol.49 (4), p.R2227-R2230
Main Authors: Chalupczak, W, Gawlik, W, Zachorowski, J
Format: Article
Language:English
Subjects:
664200 - Spectra of Atoms & Molecules & their Interactions with Photons- (1992-)
ATOMIC AND MOLECULAR PHYSICS
ATOMS
CONFIGURATION
CONICAL CONFIGURATION
COOPERATIVES
CORRELATIONS
EMISSION
FLUORESCENCE
FOCUSING
LUMINESCENCE
MIXING
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:We have observed conical emission from a dense, strongly driven ensemble of two-level atoms without noticeable self-focusing. We present the arguments that conical emission, unaffected by autocollimation, is due to cooperative, [hacek C]erenkov-like, spontaneous emission of collisionally perturbed, optically dressed atoms rather than to parametric wave mixing. Our results indicate the importance of many-atom correlations which must be taken into account when strong light interacts with dense media.
ISSN:1050-2947
1094-1622
DOI:10.1103/PhysRevA.49.R2227