Switchable Bragg grating devices for telecommunications applications

Serdar Yeralan; John Gunther; Dwight L. Ritums; Robert Cid; John Storey; Allan C. Ashmead; Milan M. Popovich

doi:10.1117/12.424841

16 April 2001 Switchable Bragg grating devices for telecommunications applications

Serdar Yeralan, John Gunther, Dwight L. Ritums, Robert Cid, John Storey, Allan C. Ashmead, Milan M. Popovich

Proceedings Volume 4291, Diffractive and Holographic Technologies for Integrated Photonic Systems; (2001) https://doi.org/10.1117/12.424841
Event: Symposium on Integrated Optics, 2001, San Jose, CA, United States

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.

Citation Download Citation

Serdar Yeralan, John Gunther, Dwight L. Ritums, Robert Cid, John Storey, Allan C. Ashmead, and Milan M. Popovich "Switchable Bragg grating devices for telecommunications applications", Proc. SPIE 4291, Diffractive and Holographic Technologies for Integrated Photonic Systems, (16 April 2001); https://doi.org/10.1117/12.424841

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