Nanosecond response of Bragg deflectors in periodically poled LiNbO3

Gnewuch, Harald and Pannell, Christopher N. and Ross, Graeme W. and Smith, Peter G. and Geiger, Harald (1998) Nanosecond response of Bragg deflectors in periodically poled LiNbO3. IEEE Photonics Technology Letters, 10 (12). pp. 1730-1732. ISSN 1041-1135. (The full text of this publication is not available from this repository)

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Official URL
http://dx.doi.org/10.1109/68.730484

Abstract

For the first time, transients are measured for a bulk-optical Bragg-deflector based on an electrooptically (EO) induced grating in periodically poled LiNbO3 (PPLN). Optical pulse risetimes of 1.2 ns are reported with a first-order diffraction efficiency of 76% for circular Gaussian beams, The fast risetime is accounted for by a substantially suppressed elicitation of acoustic thickness modes and careful electrode design. For many applications, the device could replace both acoustooptical Bragg-deflectors and conventional EO amplitude modulators due to a fivefold reduction in risetime and fourfold reduction in drive power, respectively.

Item Type: Article
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculties > Science Technology and Medical Studies > School of Physical Sciences
Depositing User: R.F. Xu
Date Deposited: 17 Apr 2009 15:55
Last Modified: 23 Jun 2014 14:09
Resource URI: http://kar.kent.ac.uk/id/eprint/17771 (The current URI for this page, for reference purposes)
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