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Updated: Jun 8, 2026

Measurement of Coherence Decay in GaMnAs Using Femtosecond Four-wave Mixing
Published on: December 3, 2013
Collinear four-wave mixing of two-component matter waves
Daniel Pertot1, Bryce Gadway, Dominik Schneble
1Department of Physics and Astronomy, Stony Brook University, Stony Brook, New York 11794-3800, USA. dpertot@ic.sunysb.edu
Abstract:
We demonstrate atomic four-wave mixing of two-component matter waves in a collinear geometry. Starting from a single-species Bose-Einstein condensate, seed and pump modes are prepared through microwave state transfer and state-selective Kapitza-Dirac diffraction. Four-wave mixing then populates the initially empty output modes. Simulations based on a coupled-mode expansion of the Gross-Pitaevskii equation are in very good agreement with the experimental data. We show that four-wave mixing can play an important role in studies of bosonic mixtures in optical lattices. Moreover, our system should be of interest in the context of quantum atom optics.
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