Title :
Light-induced reversible shift and control of the bandgap of bulk CdZnTe:V crystals
Author :
Adarsh, K.V. ; Shwartz, Sharon ; Segev, Mordechai ; Zolotoyabko, Emil ; El-Hanany, Uri
Author_Institution :
Phys. Dept. Technion, Technion - Israel Inst. of Technol., Haifa, Israel
Abstract :
We present the experimental observation of very large, light-induced, reversible change in the bandgap (up to 70 meV) of CdZnTe:V crystals. Above a specific threshold, the bandgap shift persists when illumination is turned off.
Keywords :
II-VI semiconductors; cadmium compounds; energy gap; infrared spectra; nonlinear optics; optical control; vanadium; zinc compounds; CdZnTe:V; bulk crystal bandgap shift; crystalline semiconductor; illumination; light-induced reversible shift; nonlinear properties; nonlinear ultra- fast effects; optical bandgap control; Absorption; Crystalline materials; Light sources; Lighting control; Nonlinear optics; Optical materials; Optical refraction; Optical variables control; Photonic band gap; Photonic crystals; 190.4420 Nonlinear optics, transverse effects;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8
