Observation of phase conjugation at 10.6 μm via intersubband third-order nonlinearities in a GaAs/AlGaAs multi-quantum-well structure
- 1 June 1992
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 60 (22) , 2717-2719
- https://doi.org/10.1063/1.106854
Abstract
We describe the observation of phase conjugation at 10.6 μm in a GaAs/AlGaAs multi-quantum-well-doped structure. The responsible nonlinear susceptibility χ(3) is due to a nearly resonant intersubband transition. The magnitude of χ(3) is 7×10−5 esu and the phase conjugate reflectivity is a few tenths of a percent.Keywords
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