Optical cross-connect

Details Optical cross-connect Optical cross-connect

2006-08-29

2006-08-29

Phan, Hanh (Department: 2613)

Optical communications

Multiplex

Optical switching

C398S010000, C398S012000, C398S017000, C398S019000, C398S045000, C398S046000, C398S050000, C398S055000, C398S057000, C398S048000, C398S049000, C398S079000, C398S083000, C385S016000, C385S017000, C385S018000, C385S024000, C370S370000, C370S380000, C370S387000

Reexamination Certificate

active

07099583

ABSTRACT:
A bit-rate-transparent electrical space-division switching matrix is employed in an optical cross-connect and the input/output stage is constructed from simple, broadband optical receivers and transmitters. Since the switching matrix operates in unclocked manner, i.e. its switching function is not based on internal bit timing and frame timing, arbitrary signals can be switched though transparently at almost any bit rate, independently of the protocol-type being used. The inputs and outputs likewise operate fully independently of bit rate and protocol, since they only implement an O/E conversion or O/E conversion. By virtue of this structure, a simply constructed but extremely powerful optical cross-connect is created that can be employed equally for all types of optical signals within the stipulated wavelength-range. As a result, connections can be switched on the physical layer of an optical network, whereby the optical network can be utilised equally by various services with different transmission protocols.

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