IP Library Granted Patent US 7,145,704
Granted Patent B1
US 7,145,704 · App. 11/225,684 · Granted Dec 5, 2006

Optical logic gate based optical router

View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 7,145,704
App. No.
11/225,684
Granted
Dec 5, 2006
Kind
B1
Abstract

A switching element capable of being used in an optical processing device includes an optical signal separator operable to separate a multiple wavelength optical signal into one or more optical signal wavelengths. The switching element further includes a plurality of semiconductor optical amplifiers located on a single semiconductor substrate. The plurality of semiconductor optical amplifiers operable to perform an optical switching operation on at least one of the optical signal wavelengths. The switching element also includes a controller operable to generate a control signal that affects the optical switching operation performed by one or more of the plurality of semiconductor optical amplifiers.

Claims (20)

1. An optical processing system comprising:

an input interface comprising at least a first wavelength division demultiplexer and one or more light sources coupled to the first wavelength division demultiplexer and capable of generating a multiple wavelength optical signal;

a switching element coupled to the input interface, wherein the switching element comprises:

an optical signal separator operable to separate the multiple wavelength optical signal into one or more optical signal wavelengths;

a plurality of semiconductor optical amplifiers located on a single semiconductor substrate, the plurality of semiconductor optical amplifiers operable to perform an optical switching operation on at least one of the optical signal wavelengths; and

a controller operable to generate a control signal that affects the optical switching operation performed by one or more of the plurality of semiconductor optical amplifiers; and

a node coupled to at least a portion of the switching element, wherein the node comprises a second wavelength division demultiplexer and a receiver coupled to the second wavelength division demultiplexer that is capable of detecting at least a portion of the one or more optical signal wavelengths.

2. The optical processing system of claim 1 , wherein the switching element further comprises a star configuration for distributing the multiple wavelength optical signal.

3. The optical processing system of claim 2 , further comprising an optical amplifier coupled to the star configuration and capable of at least partially compensating for any losses associated with the multiple wavelength optical signal.

4. An optical processing system comprising:

an input interface comprising at least a first wavelength division demultiplexer and one or more light sources coupled to the first wavelength division demultiplexer and capable of generating a multiple wavelength optical signal;

a switching element coupled to the input interface, wherein the switching element comprises:

an optical signal separator operable to separate the multiple wavelength optical signal into one or more optical signal wavelengths;

a plurality of semiconductor devices located on a single semiconductor substrate, the plurality of semiconductor devices capable of performing an optical switching operation on at least one of the optical signal wavelengths; and

a controller operable to generate a control signal that affects the optical switching operation performed by one or more of the plurality of semiconductor devices; and

a node coupled to at least a portion of the switching element, wherein the node comprises a second wavelength division demultiplexer and a receiver coupled to the second wavelength division demultiplexer that is capable of detecting at least a portion of the one or more optical signal wavelengths.

5. The optical processing system of claim 4 , wherein the semiconductor device comprises a semiconductor optical amplifier operating in gain.

6. The optical processing system of claim 4 , wherein the semiconductor device operates in absorption.

7. The optical processing system of claim 4 , wherein the switching element further comprises a star configuration for distributing the multiple wavelength optical signal.

8. The optical processing system of claim 7 , further comprising an optical amplifier coupled to the star configuration and capable of at least partially compensating for any losses associated with the multiple wavelength optical signal.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 25, 2006
From: ISLAM, MOHAMMED N.; KUDITCHER, AMOS
To: CELESTE OPTICS, INC.
Reel/Frame 017481/0808 →
CHANGE OF NAME Recorded Jan 23, 2006
From: CELESTE OPTICS, INC.
To: CHEETAH OPTICS, INC.
Reel/Frame 017481/0822 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 23, 2006
From: CHEETAH OPTICS, INC.
To: CHEETA OMNI, LLC
Reel/Frame 017483/0820 →