1536x1536 silicon backplane for optical switching using dynamic holography

Alireza Moini; Daryoush Habibi; Guoqiang Mao

doi:10.1117/12.581813

28 February 2005 1536x1536 silicon backplane for optical switching using dynamic holography

Alireza Moini, Daryoush Habibi, Guoqiang Mao

Proceedings Volume 5649, Smart Structures, Devices, and Systems II; (2005) https://doi.org/10.1117/12.581813
Event: Smart Materials, Nano-, and Micro-Smart Systems, 2004, Sydney, Australia

Abstract

This paper presents the design of a 1536 x 1536 pixel silicon backplane for dynamic holography in an all-optical 64 x 64 switch. Each pixel consists of two 6T-SRAM cells, a 4-to-1 multiplexer, and a high voltage buffer. A special driving technique using digital driving of the ITO and reflector devices has enabled the chip to control the voltage across the liquid crystal sandwich with zero DC bias. The chip has been fabricated in a 0.25 μm 2.5V/5V with a special high reflectivity top metal process. The pixel dimensions is 10.8 μm X 10.8 μm with a 0.6 μm spacing between the top metals. The total chip area is 21.9 mm X 21.7 mm. At typical driving frequencies of 10 KHz the chip consumes only 100 mW.

Citation Download Citation

Alireza Moini, Daryoush Habibi, and Guoqiang Mao "1536x1536 silicon backplane for optical switching using dynamic holography", Proc. SPIE 5649, Smart Structures, Devices, and Systems II, (28 February 2005); https://doi.org/10.1117/12.581813

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