Published June 2004 | Version v1
Journal article Metadata-only

Second-harmonic generation of Bogoliubov excitations in a two-component Bose-Einstein condensate

Creators

  • 1. Laboratorie de Physique Theorique de la Matiere Condensee, Case 7020, Universite Paris VII-Denis Diderot, 2 Place Jussieu, F-75251 Paris Cedex 05 (France)
  • 2. Department of Physics and Key Laboratory for Optical and Magnetic Resonance Spectroscopy, East China Normal University, Shanghai 200062 (China)
  • 3. National Laboratory for Superlattices and Microstructures, Institute of Semiconductors, Chinese Academy of Sciences, P. O. Box 912, Beijing 100083 (China)
  • 4. Laboratorie de Physique Theorique de la Matiere Condensee, Case 7020, Universite Paris VII--Denis Diderot, 2 Place Jussieu, F-75251 Paris Cedex 05 (France)

Description

A second-harmonic generation (SHG) is predicted for the Bogoliubov excitations in a two-component Bose-Einstein condensate. It is shown that, because the linear dispersion curve of the excitations displays two branches, the phase-matching condition for the SHG can be fulfilled if the wave vectors and frequencies of fundamental and second-harmonic waves are selected suitably from different branches. The nonlinearly coupled envelope equations for the SHG are derived by using a method of multiple scales. The explicit solutions of these envelope equations are provided and the conversion efficiency of the SHG is also discussed

Additional details

Identifiers

DOI
10.1103/PhysRevA.69.065601;

Publishing Information

Journal Title
Physical Review. A
Journal Volume
69
Journal Issue
6
Journal Page Range
p. 065601-065601.4
ISSN
1050-2947
CODEN
PLRAAN

INIS

Country of Publication
United States
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
36084846
Subject category
S74: ATOMIC AND MOLECULAR PHYSICS; S71: CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS;
Descriptors DEI
BOSE-EINSTEIN CONDENSATION; CONVERSION; EFFICIENCY; EXCITATION; HARMONIC GENERATION; MATHEMATICAL SOLUTIONS; OPTICS; QUANTUM MECHANICS; VECTORS
Descriptors DEC
ENERGY-LEVEL TRANSITIONS; FREQUENCY MIXING; MECHANICS; TENSORS

Optional Information

Notes
(c) 2004 The American Physical Society