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Proceedings Paper

Switchable Bragg grating devices for telecommunications applications
Author(s): Serdar Yeralan; John Gunther; Dwight L. Ritums; Robert Cid; John Storey; Allan C. Ashmead; Milan M. Popovich
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Paper Abstract

Digilens is developing a new class of optical components based on the combination of Electrically Switchable Bragg Grating (ESBG) and waveguide technology. One or more optical waveguides are formed on a substrate which is used as one wall of a cell filled with an ESBG. The ESBG layer forms part of the waveguide cladding, such that the grating can interact with the evanescent field of the light energy traveling in the waveguide. This device architecture has been used to make Electrical Variable Optical Attenuators with more than 50 db of controllable range, flat attenuation over the optical communications C band, fast (<100 msecond) switching speed, and encouragingly low polarization dependent loss. Initial results on a variable wavelength-selective filter are also reported.

Paper Details

Date Published: 16 April 2001
PDF: 10 pages
Proc. SPIE 4291, Diffractive and Holographic Technologies for Integrated Photonic Systems, (16 April 2001); doi: 10.1117/12.424841
Show Author Affiliations
Serdar Yeralan, DigiLens Inc. (United States)
John Gunther, DigiLens Inc. (United States)
Dwight L. Ritums, DigiLens Inc. (United States)
Robert Cid, DigiLens Inc. (United States)
John Storey, DigiLens Ltd. (United Kingdom)
Allan C. Ashmead, DigiLens Inc. (United States)
Milan M. Popovich, DigiLens Ltd. (United Kingdom)


Published in SPIE Proceedings Vol. 4291:
Diffractive and Holographic Technologies for Integrated Photonic Systems
Richard L. Sutherland; Dennis W. Prather; Ivan Cindrich, Editor(s)

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