Abstract
Two-photon absorption (TPA) in GaSe is detected in the narrow (about kT) spectral range above the indirect exciton energy for E⊥c light polarization. The appearance of TPA enhancement within narrow spectral region links to the resonant Raman scattering and anti-Stockes photoluminescence previously identified in GaSe. Extracted TPA coefficient is of the order of 10 cm/W and 5-10 times exceeds ones obtained previously for lower quanta energies. © 2008 IOP Publishing Ltd.
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CITATION STYLE
Grivickas, V., Bikbajevas, V., Allakhverdiev, K., & Linnros, J. (2008). Two-photon indirect absorption in GaSe. In Journal of Physics: Conference Series (Vol. 100). Institute of Physics Publishing. https://doi.org/10.1088/1742-6596/100/4/042008
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