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US 5,475,519 AGranted
Integrated-optical circuit and head station for an integrated-optical circuit
AssigneeRobert Bosch GmbH
InventorsHans Kragl, Wolf-Henning Rech, Jens Weber
Life of this patent
Estimating the term…
Abstract
An integrated-optical circuit receives optical signals and modulates and reflects incoming optical signals. The integrated-optical circuit includes a light guide with at least one Bragg resonator evanescently coupled to light guides and a photocell coupled to a Bragg resonator as well as a modulating device that modulates and reflects an additional optical signal that is received.
Claims19
An integrated-optical circuit for receiving at least one optical signal transmitted in a light guide comprising:
- a) a Bragg resonator, said Bragg resonator being evanescently coupled with the light guide;
- b) a photocell, said photocell being coupled with said Bragg resonator;
- and
- c) a modulating device, said modulating device being adapted to modulate and reflect an additional optical signal that is received by the integrated-optical circuit.
1 more element
A system comprising:
- a) an integrated-optical circuit for receiving at least one optical signal transmitted in a light guide and including:
- i) a Bragg resonator, said Bragg resonator being evanescently coupled with the light guide;
- ii) a photocell, said photocell being coupled with said Bragg resonator;
- and
- iii) a modulating device, said modulating device being adapted to modulate and reflect an additional optical signal that is received by the integrated-optical circuit;
- and
- b) a head station, said head station adapted to transmit and receive optical signals which travel through the light guide to and from said integrated-optical circuit and including:
- i) a first transmitter adapted to emit the optical signal;
- ii) a second transmitter adapted to transmit an additional optical signal;
- and
- iii) a receiver adapted to receive the additional optical signal modulated and reflected by said modulating device.
8 more elements
Dependencies are inferred from the claim text.