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Theoretical investigation of electro-optical switches with very low crosstalk

: Nolting, H.-P.; Gravert, M.

Shi, L.:
7th European Conference on Integrated Optics 1995. Proceedings : April 3 - 6, 1995, Delft, The Netherlands, with Technical Exhibition, ECIO '95
Delft: Delft Univ. Press, 1995
ISBN: 90-407-1111-9
European Conference on Integrated Optics (ECIO) <7, 1995, Delft>
Fraunhofer HHI ()
electro-optical switches; integrated optics; optical communication equipment; optical crosstalk; wavelength division multiplexing; switching contrast; crosstalk; vertical digital optical switch; architecture; electro-optical mode converter; undesired mode; compensation

The crosstalk or switching contrast of the digital optical switch (DOS) is analysed and a new architecture to enhance the contrast from -20 dB to -40 dB is proposed. An electro-optical mode converter is used for compensation of the undesired mode. Some theoretical results on vertical DOS are discussed.