Polarization-independent dilated InP-based space switch with low crosstalk

A polarization-independent dilated switch with a low crosstalk level has been realized. In this switch, the crosstalk signal is attenuated by using controllable electrooptical attenuators which do not disturb the input signal. A reverse bias of 20 V on the attenuators reduces the crosstalk value of...

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Bibliographic Details
Published in:IEEE photonics technology letters 2000-03, Vol.12 (3), p.284-286
Main Authors: Maat, D.H.P., Zhu, Y.C., Groen, F.H., van Brug, H., Frankena, H.J., Leijtens, X.J.M.
Format: Article
Language:English
Subjects:
Attenuation
Attenuators
Couplers
Crosstalk
Doping
Electrooptical
Noise levels
Optical losses
Optical polarization
Optical switches
Optical waveguides
Photonics
Stability
Switches
Telecommunication switching
Wavelength division multiplexing
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Summary:A polarization-independent dilated switch with a low crosstalk level has been realized. In this switch, the crosstalk signal is attenuated by using controllable electrooptical attenuators which do not disturb the input signal. A reverse bias of 20 V on the attenuators reduces the crosstalk value of the dilated switch from -32 dB to -40 dB. The excess loss of the total switch is about 9 dB.
ISSN:1041-1135
1941-0174
DOI:10.1109/68.826915