Programmable grating based on interface charge control

TitleProgrammable grating based on interface charge control
Publication TypeConference Paper
Year of Publication2002
AuthorsKhorasani, S., A. Nojeh, and B. Rashidian
EditorSidorin, Y. S., and A. Tervonen
Conference NameINTEGRATED OPTICS: DEVICES, MATERIALS, AND TECHNOLOGIES VI
Pagination255-260
PublisherSPIE
Conference Location1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
ISBN Number0-8194-4379-4
Keywordsconducting interfaces, integrated optics, layered media, programmable grating
Abstract

In this article, the feasibility of a programmable integrated optical grating based on the control of interface charges, and therefore, conductivity of interfaces is explored. This structure is essentially an array waveguide, in which each waveguide has an independent control on its interface conductivity. As we have shown, the effective index of each waveguide is controllable independently, and therefore and relative output phase differences among the waveguides and be programmed. A phase-array-antenna-like analysis enables one to compute the output far field pattern.

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