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Proceedings Paper

Solid-state optical switches using planar lightwave circuit and IC-on-PLC technologies
Author(s): Shunichi Sohma; Shinji Mino; Toshio Watanabe; Motohaya Ishii; Tomohiro Shibata; Hiroshi Takahashi
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Paper Abstract

We review recent progress on optical switches that employ silica-based planar lightwave circuits (PLC) including a 16 x 16 matrix switch, a 1 x 128 switch, an 8-channel 1 x 8 switch array, and a 32-channel 2 x 2 switch array. These switches are composed of silica-based waveguides and have a solid-state structure with no moving parts, thus they exhibit low insertion loss, high repeatability, and excellent long-term reliability. We also describe IC-on-PLC technology, where IC chips are integrated on the PLC surface for higher functionality and greater compactness. We report the results of reliability tests on the PLC switches, and show that they can put to practical use.

Paper Details

Date Published: 11 February 2005
PDF: 9 pages
Proc. SPIE 5625, Optical Transmission, Switching, and Subsystems II, (11 February 2005); doi: 10.1117/12.579684
Show Author Affiliations
Shunichi Sohma, NTT Photonics Labs. (Japan)
Shinji Mino, NTT Photonics Labs. (Japan)
Toshio Watanabe, NTT Photonics Labs. (Japan)
Motohaya Ishii, NTT Photonics Labs. (Japan)
Tomohiro Shibata, NTT Photonics Labs. (Japan)
Hiroshi Takahashi, NTT Photonics Labs. (Japan)


Published in SPIE Proceedings Vol. 5625:
Optical Transmission, Switching, and Subsystems II
Cedric F. Lam; Wanyi Gu; Norbert Hanik; Kimio Oguchi, Editor(s)

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