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US 7,116,694 B2Granted
Transmitter array with pixel element that has primary semiconductor laser and at least one secondary semiconductor laser
AssigneeAvago Technologies Fiber IP (Singapore) Pte. Ltd.
InventorsFrank H. Peters, Jonathan Simon
Life of this patent
Estimating the term…
Abstract
A transmitter array that has at least one pixel element. Each pixel element includes at least a primary semiconductor laser and a secondary semiconductor laser. In this manner, when the primary semiconductor laser is inoperative, the secondary semiconductor laser is utilized for transmission.
Claims18
A transmitter array comprising:
- at least one pixel element;
- wherein each pixel element has at least a primary semiconductor laser and a secondary semiconductor laser;
- a transmission path associated with each pixel element;
- and
- an alignment mechanism for each pixel element that optically aligns the primary semiconductor laser and the secondary semiconductor laser of each pixel element to a corresponding transmission travel path,
- wherein when the primary semiconductor laser is not operating correctly, the secondary semiconductor laser is utilized for transmission.
3 more elements
A transmitter array comprising:
- a plurality of pixel elements;
- wherein each pixel element has at least a primary Vertical Cavity Surface Emitting Laser (VCSEL) and a redundant VCSEL;
- a transmission travel path associated with each pixel element;
- and
- an alignment mechanism for each pixel element that optically aligns the primary VCSEL and the redundant VCSEL of each pixel element to a corresponding transmission travel path;
- wherein when the primary VCSEL is not operating correctly, the redundant VCSEL is utilized for transmission.
3 more elements
A method for manufacturing a transmitter array having at least a first pixel element with a transmission travel path, comprising:
- a) fabricating a primary semiconductor laser in the first pixel element;
- b) fabricating at least one secondary semiconductor laser in the first pixel element;
- and
- c) fabricating an alignment mechanism for the first pixel element that optically aligns the primary semiconductor laser and the secondary semiconductor laser of the first pixel element to the transmission travel path,
- wherein when the primary semiconductor laser is not operating correctly, the secondary semiconductor laser is utilized for transmission.
2 more elements
Dependencies are inferred from the claim text.