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Proposed optical cross connect using a planar arrangement of beam steerers

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2 Author(s)
Doerr, C.R. ; AT&T Bell Labs., Holmdel, NJ, USA ; Dragone, C.

We propose a design for a strict-sense nonblocking N/spl times/N spatial optical cross connect that employs planar lightwave beam steerers. The beam steerers allow for a modular design without requiring two-dimensional chip-to-chip waveguide interconnections. The modular design and the fact that the number of electrical leads scales as N log N in turn allows the possibility of constructing large, robust, solid-state cross connects. We also propose a cascaded beam-steerer design that substantially relaxes the phase shifter strength requirement.

Published in:

Photonics Technology Letters, IEEE  (Volume:11 ,  Issue: 2 )