Temperature dependence of optical phase conjugation in semiconductor‐doped glasses
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We measured optical phase conjugation via low-power degenerate four-wave mixing at 532 nm as a function of temperature in semiconductor-microcrystallite- doped glasses. We find that the overall efficiency of the phase conjugation process increases with decreasing temperature and is temperature independent between 77 and 100 K. The results are interpreted as the combined effect of the increased transmission due to the increased band gap and an effective χ(3) which increased due to a decrease of the trapped carrier recombination rate.
author list (cited authors)
Dutton, T., Dvornikov, A., Van Wonterghem, B., & Rentzepis, P. M.