2 x 2 Polymer Thermo-Optic Digital Optical Switch Using Total-Internal-Reflection in Bend-Free Waveguides

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We present a novel 2 x 2 polymer thermo-optic digital optical switch (DOS) using the total-internal-reflection (TIR) effect. The switch consists of four 1 x 2 TIR-DOSs cascaded with each other. These TIR-DOSs have two branched multimode waveguides and an offset heater electrode in the branched region. Our switch does not have any bent waveguides, and has tapered waveguides and single-mode waveguides only in the input-output fiber coupling region. The fabricated 2 x 2 TIR-DOSs exhibit excellent properties, with very low insertion losses of < 1.4 dB and switching isolations of > 50 dB in both turned-off and turned-on states.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2012-10
Language
English
Article Type
Article
Keywords

CROSSTALK; SILICON; STATE

Citation

IEEE PHOTONICS TECHNOLOGY LETTERS, v.24, no.19, pp.1757 - 1760

ISSN
1041-1135
DOI
10.1109/LPT.2012.2210280
URI
http://hdl.handle.net/10203/104318
Appears in Collection
EE-Journal Papers(저널논문)
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