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8-wavelength photonic integrated 2×2 WDM cross-connect switch using 2×N phased-array waveguide grating (PAWG) multi/demultiplexers

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6 Author(s)
Haifeng Li ; Dept. of Comput. & Electr. Eng., Maryland Univ., Baltimore, MD, USA ; Chau-Han Lee ; Wenhua Lin ; Didde, S.
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A photonic integrated 2×2 WDM cross-connect switch which provides full access to eight wavelength channels has been designed and fabricated in silica on silicon substrate. The switch consists of two novel 2×N phased-array waveguide gratings which are connected by a thermo-optic switch array with no waveguide crossing. The crosstalk for the cross and bar states is better than -20 and -15 dB, respectively, with a fibre-to-fibre insertion loss of <13 dB

Published in:

Electronics Letters  (Volume:33 ,  Issue: 7 )