Optical: systems and elements – Deflection using a moving element – Using a periodically moving element
Patent
1995-12-27
1998-10-27
Bacares, Rafael
Optical: systems and elements
Deflection using a moving element
Using a periodically moving element
359140, 359121, H04J 400
Patent
active
058284729
ABSTRACT:
A photonic switching network includes input ports and output ports; a modulation device associated with the input ports modulates cells addressed to the same output port onto an optical carrier having a wavelength assigned to that output port. Q optical paths offer respective time-delays of 0, 1, . . . , Q-1 cell times between the input ports and the output ports so that, on being routed from an input port to an output port, cells are switched to one of the paths with time-delay so as to reach the same output port one by one. It further includes a plurality of additional output ports each connected to a controllable time-delay element the output of which can be coupled to a recirculation input port.
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ALCATEL N.V.
Bacares Rafael
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