Enhanced beam coupling modulation using the polarization properties of photorefractive GaAs
Observation is reported of a rotation in the polarization of the two photorefractive recording beams in GaAs for a configuration with the internally generated space-charge field along the line 110 crystallographic orientation. This rotation is a result of simultaneous constructive and destructive be...
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| Veröffentlicht in: | Applied physics letters 1987-08, Vol.51 (5), p.299-301 |
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| container_title | Applied physics letters |
| container_volume | 51 |
| creator | Partovi, Afshin Garmire, Elsa M. Cheng, Li-Jen |
| description | Observation is reported of a rotation in the polarization of the two photorefractive recording beams in GaAs for a configuration with the internally generated space-charge field along the line 110 crystallographic orientation. This rotation is a result of simultaneous constructive and destructive beam coupling in each beam for the optical electric field components along the two electrooptically induced principal dielectric axes of the crystal. By turning one of the beams on and off, the intensity of the other beam after the crystal and a polarization analyzer can be modulated by as much as 500 percent. This result is of particular importance for optical information processing applications. |
| doi_str_mv | 10.1063/1.98449 |
| format | Article |
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| fulltext | fulltext |
| identifier | ISSN: 0003-6951 |
| ispartof | Applied physics letters, 1987-08, Vol.51 (5), p.299-301 |
| issn | 0003-6951 1077-3118 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_24561214 |
| source | AIP Digital Archive; NASA Technical Reports Server |
| subjects | Exact sciences and technology Fundamental areas of phenomenology (including applications) Imaging and optical processing Optics Physics |
| title | Enhanced beam coupling modulation using the polarization properties of photorefractive GaAs |
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