Low-loss 4 × 4 optical matrix switch for fibre-optic communication

5 July 1979

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

Vol. 15 (14) , 427-428
https://doi.org/10.1049/el:19790306

Abstract

A low-loss and high-repeatability 4 × 4 optical matrix switch fabricated by using rhombic glass-block switch elements is described. The maximum loss was 1.3 dB and the crosstalk was less than −55 dB, with a switching delay of less than 18 ms.

Keywords

CROSSTALK
RHOMBIC GLASS BLOCK
INSERTION LOSS
GRADED INDEX FIBRE
SWITCHING ELEMENTS
MULTIMODE FIBRE SYSTEMS
OPTICAL FIBRE COMMUNICATION
OPTICAL MATRIX SWITCH

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