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Low optical interchannel crosstalk, fast switching speed, polarisation independent 2×2 fibre optic switch using ferroelectric liquid crystals

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2 Author(s)
Riza, N.A. ; Dept. of Electr. & Comput. Eng., Univ. of Central Florida, Orlando, FL, USA ; Yuan, S.

A novel <-34.13 dB optical interchannel crosstalk, 35.3 μs switching speed, polarisation independent, reversible 2×2 fibre optic switch is demonstrated using four ferroelectric liquid crystal 90° polarisation rotators sandwiched between cube polarisation beam splitters and combiners that also act as crosstalk rejection filters. Applications of the switch include multiwavelength add-drop routing

Published in:

Electronics Letters  (Volume:34 ,  Issue: 13 )