N x N polymer matrix switches using thermo-optic total-internal-reflection switch

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We have developed fully non-blocking optical matrix switches using a thermo-optic polymer 1 x 2 total-internal-reflection (TIR) switch as a unit switching element. The TIR switch consists of crossed multimode polymer waveguides and an offset heater electrode at the switching node. The fabricated 4 x 4 and 8 x 8 optical matrix switch chips show excellent switching performances. The insertion losses are less than 2.5 and 4.5 dB for the 4 x 4 and 8 x 8 matrix switches, respectively, and their switching isolations during a turned-off state are higher than 38 dB. The switching time is about 3 ms, and the power consumption for each switching element is below 30 mW. Compact integration of the 4 x 4 and 8 x 8 switch chips is achieved at sizes of 25 mm x 4.25 mm, and 42.4 mm x 5 mm, respectively, through an optimization of the waveguide and heater geometries. (C) 2012 Optical Society of America
Publisher
OPTICAL SOC AMER
Issue Date
2012-06
Language
English
Article Type
Article
Keywords

HIGH-EXTINCTION RATIO; CROSSTALK

Citation

OPTICS EXPRESS, v.20, no.12, pp.13284 - 13295

ISSN
1094-4087
URI
http://hdl.handle.net/10203/103280
Appears in Collection
EE-Journal Papers(저널논문)
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