… Secondly, the photorefractivity parameters as deduced from two-wave-mixing experiments
are … configuration was demonstrated with rather large values of the gain coefficient. The …

… -wave mixing results obtained with CdTe:V photorefractive crystals under an external dc or
low-frequency square-shaped periodic electric field. The majority photorefractive carriers are …

… a CdTe:V crystal and, in a two-wave mixing experiment without an external electric field, an
amplification gain … describe the photorefractive effect and explain our choice of the CdTe:V …

… The theory of gain and four-wave mixing has been developed previously by … ill CdTe:Ti,
indicating that Ti may be a more favorable dopant for photorefractive fourwave mixing in CdTe. …

… a gain coefficient of 2.4 em - 1. Through adjustment of the doping level, CdTe:V ean be used
as a sensitive photorefractive … , carefully weighed vanadium was added and the mixture was …

… transport in CdTe crystals to be … CdTe crystals by nonresonant four-wave mixing technique
at 940 nm wavelength. It was found that modification of the deep level charge state in CdTe:V …

… photorefractive semiconductors often do not meet this requirement. In this work it is demonstrated
that doping of CdTe … The two-beam coupling gain factor measured at both wavelengths …

… As Mn is substituted for Cd in the CdTe lattice, the energy gap … In this paper, we present
the photorefractive gain coefficient … response of photorefractive two-wave mixing will also be …

… Our experiments show more than a tenfold increase of the two-wave mixing (TWM) gain as
a result of the auxiliary illumination. The enhancement has been characterized as a function …

… The mixture prepared was sealed in a 20 mm inner diameter id graphitized quartz ampoule
… As was noted earlier, a factor of photorefractive gain is determined by the relationship in Eq. …