IEICE Transactions on Communications
Online ISSN : 1745-1345
Print ISSN : 0916-8516
Joint Special Section on Opto-electronics and Communications for Future Optical Network
Fast Optical Circuit Switch for Intra-Datacenter Networking
Koh UEDA, Yojiro MORI, Hiroshi HASEGAWA, Hiroyuki MATSUURA, Kiyo ISHII, Haruhiko KUWATSUKA, Shu NAMIKI, Toshio WATANABE, Ken-ichi SATO
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Keywords: switching, circuit, array waveguide devices
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2017 Volume E100.B Issue 10 Pages 1740-1746

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Abstract

This paper presents a fast and large-scale optical circuit-switch architecture for intra-datacenter applications that uses a combination of space switches and wavelength-routing switches are utilized. A 1,440 × 1,440 optical switch is designed with a fast-tunable laser, 8×8 delivery-and-coupling switch, and a 180×180 wavelength-routing switch. We test the bit-error-ratio characteristics of all ports of the wavelength-routing switch using 180-wavelength 10-Gbps signals in the full C-band. The worst switching time, 498 microseconds, is confirmed and all bit-error ratios are acceptable.

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© 2017 The Institute of Electronics, Information and Communication Engineers
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