Optical communication network
First Claim
Patent Images
1. A wavelength multiplexing transceiver for wavelength multiplexing in an optical communication network comprising:
- first and second slab waveguides;
a first optical waveguide for supplying an output light from said first slab waveguide to an input/output optical fiber;
a second optical waveguide for supplying an incident light from said input/output optical fiber to said second slab waveguide;
a optical coupler for branching an optical path of said input/output optical fiber to said first and second optical waveguides;
a laser array optically coupled to one end of said first slab waveguide, to the other end of which said optical coupler is coupled; and
a light receiving element array optically couple to one end of said second slab waveguide, to the other end of which said optical coupler is coupled,said first and second slab waveguides, first optical waveguide, second optical waveguide, and optical coupler being commonly formed on a substrate.
0 Assignments
0 Petitions
Accused Products
Abstract
In an optical communication network in which a plural number of nodes are connected to each bidirectional broadcasting bus, and a node communicates with another using the packets, or an optical communication network in which a plural number of nodes are connected to a bidirectional broadcasting bus, and a node communicates with another using the packets, each node comprises carrier sensing means for sensing a carrier on the broadcasting bus, and jamming detecting means for detecting a jamming state of received signals.
-
Citations
19 Claims
-
1. A wavelength multiplexing transceiver for wavelength multiplexing in an optical communication network comprising:
-
first and second slab waveguides; a first optical waveguide for supplying an output light from said first slab waveguide to an input/output optical fiber; a second optical waveguide for supplying an incident light from said input/output optical fiber to said second slab waveguide; a optical coupler for branching an optical path of said input/output optical fiber to said first and second optical waveguides; a laser array optically coupled to one end of said first slab waveguide, to the other end of which said optical coupler is coupled; and a light receiving element array optically couple to one end of said second slab waveguide, to the other end of which said optical coupler is coupled, said first and second slab waveguides, first optical waveguide, second optical waveguide, and optical coupler being commonly formed on a substrate.
-
-
2. A wavelength multiplexing transceiver comprising:
-
a first group of optical waveguides for coupling a laser array and a first slab waveguide type wavelength multiplexer; a first optical coupler for coupling said first slab waveguide type wavelength multiplexer, an output waveguide, and at least one of said first group of optical waveguides; a second optical coupler for coupling said output waveguide, an input waveguide, and an input/output optical fiber, type wavelength multiplexer; and a light receiving element array optically coupled to said second slab waveguide type wavelength multiplexer. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
-
Specification