$Theoretical study on coupling effect of modulation depth between two photorefractive phase gratings$

Theoretical study on coupling effect of modulation depth between two photorefractive phase gratings

In this paper, we have applied a perturbation expanding method to the hopping model, and studied the coupling effect of modulation depth between two photorefractive phase gratings stored in one point. The coupling equations of modulation depth and their steady solutions have been derived. It has bee...

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Veröffentlicht in:	Optics communications 2000-02, Vol.175 (1), p.233-237
Hauptverfasser:	Yuan, Baohong, Zhou, Zhongxiang, Hou, Chunfeng, Sun, Xiudong, Li, Chunfei
Format:	Artikel
Sprache:	eng
Schlagworte:	Exact sciences and technology Fundamental areas of phenomenology (including applications) Hopping model Modulation depth Multiple storage Nonlinear optics Optics Phase conjugation, optical mixing, and photorefractive effect Phase conjugation, optical mixing photorefractive and kerr effects Photorefraction Physics Space-charge field
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Zusammenfassung:	In this paper, we have applied a perturbation expanding method to the hopping model, and studied the coupling effect of modulation depth between two photorefractive phase gratings stored in one point. The coupling equations of modulation depth and their steady solutions have been derived. It has been found that the modulation depth of one of the two gratings seriously affects the spatial-charge field of the other grating.
ISSN:	0030-4018 1873-0310
DOI:	10.1016/S0030-4018(99)00745-2