Source: https://patents.google.com/patent/US5684899
Timestamp: 2018-04-24 03:16:57
Document Index: 177264365

Matched Legal Cases: ['Application No. 07', 'Application No. 07', 'Application No. 07', 'Application No. 07', 'Application No. 07', 'Application No. 07']

US5684899A - Optical communication network - Google Patents
US5684899A
US5684899A US08766931 US76693196A US5684899A US 5684899 A US5684899 A US 5684899A US 08766931 US08766931 US 08766931 US 76693196 A US76693196 A US 76693196A US 5684899 A US5684899 A US 5684899A
US08766931
Pτ(n)=e.sup.-Λτ /n|(n≧1)             (1)
Pτ(0)=e.sup.-Λτ                             ( 2)
Pτ(3)=1.98×10.sup.-5.
θ=90 sin.sup.-1 (n2/n1)                              (5)
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.
3. The wavelength multiplexing transceiver according to claim 2 wherein said first and second slab waveguide type wavelength multiplexers and said first and second optical couplers are formed commonly on a substrate.
US08766931 1992-03-05 1996-12-16 Optical communication network Expired - Lifetime US5684899A (en)
JP4-48521 1992-03-05
JP4852192A JPH05252170A (en) 1992-03-05 1992-03-05 Optical communication network and communication system
JP4-233892 1992-09-01
JP23389292A JP3191998B2 (en) 1992-09-01 1992-09-01 Optical communication wavelength multiplexing transceiver
JP32826692A JPH06177841A (en) 1992-12-08 1992-12-08 Mutually connectable multi-terminal star coupler
JP4-328266 1992-12-08
JP33474792 1992-12-15
JP4-334747 1992-12-15
US2605493 true 1993-03-04 1993-03-04
US45932795 true 1995-06-02 1995-06-02
US08766931 US5684899A (en) 1992-03-05 1996-12-16 Optical communication network
US45932795 Continuation 1995-06-02 1995-06-02
US5684899A true US5684899A (en) 1997-11-04
ID=27550320
US08460709 Expired - Fee Related US5915054A (en) 1992-03-05 1995-06-02 Star coupler for an optical communication network
US08643098 Expired - Fee Related US5854700A (en) 1992-03-05 1996-05-02 Optical communication network
US08766931 Expired - Lifetime US5684899A (en) 1992-03-05 1996-12-16 Optical communication network
US (3) US5915054A (en)
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US5854700A (en) 1998-12-29 grant
US5915054A (en) 1999-06-22 grant
US5982516A (en) 1999-11-09 Optical network with wavelength-dependent routing