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Integrated optics N*N multiplexer on silicon

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3 Author(s)
Dragone, C. ; AT&T Bell Lab., Holmdel, NJ, USA ; Edwards, C.A. ; Kistler, R.C.

The authors report the measured performance of an integrated N*N multiplexer fabricated using SiO/sub 2//Si waveguides. The insertion loss for N=7 was typically lower than 2.5 dB, and crosstalk was less than -25 dB. The multiplexer response is approximately periodic. In each period the multiplexer accepts, from each input waveguide, a total of N channels, and it efficiently transmits each channel to a particular output port. Similarly, each output port receives N channels, one from each input port. Thus, the total number of channels that can be transmitted simultaneously is N/sup 2/, which requires N optical frequencies.<>

Published in:

Photonics Technology Letters, IEEE  (Volume:3 ,  Issue: 10 )

Date of Publication:

Oct. 1991

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