Abstract
We have for the first time demonstrated two-beam coupling energy transfer at a wavelength of 1.5 μm. Beam coupling gain coefficients of 0.6 cm−1 have been obtained in vanadium -doped CdTe with only 5 mW/cm2 incident intensity. These gain coefficients exceed typical gain coefficients in GaAs at 1.06 μm wavelength by 50%. In preliminary measurements using the moving grating technique, we have measured a gain coefficient of 2.4 cm−1. Through adjustment of the doping level, CdTe:V can be used as a sensitive photorefractive material through the 0.9–1.5 μm spectral range.
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Dates
Type | When |
---|---|
Created | 23 years, 1 month ago (July 26, 2002, 8:51 a.m.) |
Deposited | 1 year, 7 months ago (Feb. 2, 2024, 8:23 p.m.) |
Indexed | 2 days, 10 hours ago (Sept. 3, 2025, 6:27 a.m.) |
Issued | 35 years ago (Aug. 27, 1990) |
Published | 35 years ago (Aug. 27, 1990) |
Published Print | 35 years ago (Aug. 27, 1990) |
@article{Partovi_1990, title={Photorefractivity at 1.5 μm in CdTe:V}, volume={57}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.103409}, DOI={10.1063/1.103409}, number={9}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Partovi, Afshin and Millerd, James and Garmire, Elsa M. and Ziari, Mehrdad and Steier, William H. and Trivedi, Sudhir B. and Klein, Marvin B.}, year={1990}, month=aug, pages={846–848} }