Low driving voltage or current digital optical switch on InP for multiwavelength system applications

4 June 1992

journal article
Published by Institution of Engineering and Technology (IET) in Electronics Letters

Vol. 28 (12) , 1135-1137
https://doi.org/10.1049/el:19920715

Abstract

Low driving voltage or current digital optical switches based on carrier effects in InP/GaInAsP have been fully demonstrated for both TE and TM polarisations of light. Crosstalk better than 12.1 and 15.2 dB have been obtained for polarisation independent operation with, respectively, a voltage as low as – 10 V and a current as low as 6 mA. These functionalities have been demonstrated in the 1.52–1.57 μm wavelength range which is suitable for multiwavelength system applications.

Keywords

TE POLARISATION
DIGITAL OPTICAL SWITCH
CARRIER EFFECTS
LOW DRIVING VOLTAGE
POLARISATION INDEPENDENT OPERATION
6 MA
LOW DRIVING CURRENT
MULTIWAVELENGTH SYSTEM
1.52 TO 1.57 MICRON
INP-GAINASP
TM POLARISATIONS
-10 V
CROSSTALK

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