Special Section on Emerging MOEMS Technology and Applications

Digital micromirror device as a diffractive reconfigurable optical switch for telecommunication

[+] Author Affiliations
Pierre-Alexandre Blanche

University of Arizona, College of Optical Sciences, Tucson, Arizona 85721

Daniel Carothers

University of Arizona, College of Optical Sciences, Tucson, Arizona 85721

John Wissinger

University of Arizona, College of Optical Sciences, Tucson, Arizona 85721

Nasser Peyghambarian

University of Arizona, College of Optical Sciences, Tucson, Arizona 85721

J. Micro/Nanolith. MEMS MOEMS. 13(1), 011104 (Dec 02, 2013). doi:10.1117/1.JMM.13.1.011104
History: Received March 21, 2013; Revised August 8, 2013; Accepted September 25, 2013
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Abstract.  Digital micromirror devices (DMDs) by their high-switching speed, stability, and repeatability are promising devices for fast, reconfigurable telecommunication switches. However, their binary mirror orientation is an issue for conventional redirection of a large number of incoming ports to a similarly large number of output fibers, like with analog micro-opto electro-mechanical systems. We are presenting here the use of the DMD as a diffraction-based optical switch, where Fourier diffraction patterns are used to steer the incoming beams to any output configuration. Fourier diffraction patterns are computer-generated holograms that structure the incoming light into any shape in the output plane. This way, the light from any fiber can be redirected to any position in the output plane. The incoming light can also be split to any positions in the output plane. This technique has the potential to make an “any-to-any,” true nonblocking, optical switch with high-port count, solving some of the problems of the present technology.

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© 2014 Society of Photo-Optical Instrumentation Engineers

Citation

Pierre-Alexandre Blanche ; Daniel Carothers ; John Wissinger and Nasser Peyghambarian
"Digital micromirror device as a diffractive reconfigurable optical switch for telecommunication", J. Micro/Nanolith. MEMS MOEMS. 13(1), 011104 (Dec 02, 2013). ; http://dx.doi.org/10.1117/1.JMM.13.1.011104


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