Optical distributor and optical distributing system

Optical waveguides – With optical coupler – Particular coupling structure

Reexamination Certificate

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Details

C385S024000, C385S031000

Reexamination Certificate

active

07095927

ABSTRACT:
An optical distributor includes an optical-signal input port, a light receiving device, a light emitting device, a light splitter, and optical signal output ports. The light receiving device converts an optical light signal input to the optical-signal input port into an electric signal. The light emitting device converts the electric signal into an optical signal. The optical splitter14splits the converted optical signal into two optical signals. The optical-signal output ports output the split optical signals. The light receiving device includes a light receiving element, a pre-amplifier, and a limiting amplifier. The light emitting device includes a light-source drive element and a light emitting element.

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Auracher et al., “Optimized layout for a data bus system based on a new planar access coupler”, Applied Optics, vol. 16, No. 12, Dec. 1977.
Hudson et al., “The Star Coupler: A Unique Interconnection Component for Multimode Optical Waveguide Communications Systems”, Applied Optics, vol. 13, No. 11, Nov. 1974.
Takanashi et al, “High-Uniformity Star Coupler Using Diffused Light Transmission”, IEICE Transactions on Electronics, vol. E84-C, No. 3, Mar. 2001.

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