ENHANCEMENT OF THE PHOTOREFRACTIVE GAIN AT 1.3-1.5 MU-M IN CDTE USING ALTERNATING ELECTRIC-FIELDS

被引：32

作者：

ZIARI, M

STEIER, WH

RANON, PM

KLEIN, MB

TRIVEDI, S

机构：

[1] HUGHES RES LABS,MALIBU,CA 90265

[2] BRIMROSE CORP AMER,BALTIMORE,MD 21236

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 1992年 / 9卷 / 08期

关键词：

D O I：

10.1364/JOSAB.9.001461

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report large enhancement of the two-beam-coupling gain in vanadium-doped cadmium telluride. We used the applied-alternating-field method with square and sinusoidal waveforms. With nominally square waveforms gain coefficients in excess of 10 cm-1 have been measured, which significantly exceed the absorption coefficient of 2 cm-1 for our sample. The results agree well with theory when the major effects of the ac waveform shape, internal field screening, and large-signal effects are taken into account.

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页码：1461 / 1466

页数：6

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