8\times16 Wavelength Selective Switch With Full Contentionless Switching

An 8 × 16 wavelength selective switch (WSS) with full contentionless switching is proposed and experimentally demonstrated. Utilizing two chips of liquid crystal on silicon, the optical wavelengths can be switched, attenuated, or blocked among 8 input ports and 16 output ports. The maximum insertion...

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Bibliographic Details
Published in:IEEE photonics technology letters 2019-04, Vol.31 (7), p.557-560
Main Authors: Yuan, Zhilin, Li, Wei, Yang, Rui, Yang, Liu, Wang, Fan, Guo, Jinping, Xu, Zuowei, Wang, You, Feng, Qiguang, Yang, Yuxiang, Hu, Qianggao
Format: Article
Language:English
Subjects:
Gratings
Lenses
Liquid crystal on silicon
Optical polarization
Optical surface waves
Optical switches
ROADM
spatial light design
Surface waves
Wavelength selective switch
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Summary:An 8 × 16 wavelength selective switch (WSS) with full contentionless switching is proposed and experimentally demonstrated. Utilizing two chips of liquid crystal on silicon, the optical wavelengths can be switched, attenuated, or blocked among 8 input ports and 16 output ports. The maximum insertion loss is less than 14 dB; the bandwidth tuning range is from 50 to 5000 GHz. The attenuation range is from 0 to 15 dB, and the optical blocking value is greater than 27 dB. Compared with the previous reports, the 8 × 16 WSS proposed in this letter is a truly contentionless WSS device with the highest number of input and output ports.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2019.2902296