Optical waveguides – With optical coupler – Plural
Reissue Patent
2008-07-08
2008-07-08
Berman, Jack (Department: 2881)
Optical waveguides
With optical coupler
Plural
Reissue Patent
active
RE040425
ABSTRACT:
An optical interface devices (OID) routes signals entering each of its ports to all other ports. The OID passively routes the optical signals and performs no conversion of the signals into the electrical domain. In addition to signal routing, the OID also performs bi-directional amplification of the optical signals to compensate for splitting losses, coupling losses, signal variations, and to provide additional gain. As a result, the power level of a signal entering one port is the same power level at which corresponding signals exit all other ports of the OID. The OID is useful in a number of network topologies, including but not limited to bus, point-to-point, star, ring, broken ring, hub, and a tree-like topology. The OID enables signal quality to be maintained throughout the network which is especially beneficial in the transmission of Radio Frequency and other analog signals.
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Whittaker G. Allan
Williams Wilber A.
Berman Jack
Hashmi Zia R.
Kilpatrick & Stockton LLP
Lockheed Martin Corporation
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