Self-pumped phase conjugation in InP:Fe
- 15 May 1989
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 54 (20) , 1968-1970
- https://doi.org/10.1063/1.101187
Abstract
We report here for the first time the demonstration of self-pumped phase conjugation in photorefractive semiconductors using 1.32 μm light. Using an ac field technique to enhance the gain coefficient in InP:Fe and a single input pump beam, phase conjugate reflectivities of 11% were measured using an input beam intensity of less than 1 mW/mm2. These results open up many possibilities for using photorefractive semiconductors in applications with low-power infrared diode lasers.Keywords
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