Abstract

This paper discusses the layout of an electrooptic modulator that makes it possible to overcome the limitation imposed by the entire set of control-channel parameters. The main elements of the modulator are electrically controllable fiber-optic Bragg gratings. The proposed layout makes it possible to modulate the optical radiation at a working frequency twice as great as that of other modulators that use similar electronic control circuits. The modulation characteristics of such a modulator are calculated, its operating regimes are considered, and the possibilities of increasing the response rate further by optimizing the diffraction-grating parameters are estimated. The device is compact and is well matched with fiber-optic lines. © 2004 Optical Society of America

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