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(2×2) digital optical switch realised by low cost polymer waveguide technology

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3 Author(s)
Keil, N. ; Heinrich-Hertz-Inst. fur Nachrichtentech. Berlin GmbH, Germany ; Yao, H.H. ; Zawadzki, C.

A novel (2×2) digital optical switch is reported involving thermo-optically induced adiabatic modal evolution. The device incorporates a symmetric X-crossing and a tapered overlapping area between electrodes and waveguides. Polarisation and wavelength insensitive switching is demonstrated at λ=1.3 μm and 1.55 μm with a switching power of ⩾45 mW and crosstalk values of <-25 dB

Published in:

Electronics Letters  (Volume:32 ,  Issue: 16 )