Transmitter preemphasis in fiber optic links

Details Transmitter preemphasis in fiber optic links Transmitter preemphasis in fiber optic links

2006-12-12

2006-12-12

Healy, Brian M. (Department: 2883)

Optical waveguides

With disengagable mechanical connector

Optical fiber to a nonfiber optical device connector

C385S088000, C385S014000, C398S138000, C398S081000

Reexamination Certificate

active

07147387

ABSTRACT:
This disclosure is generally concerned with optical transceivers. In one example, an optical transceiver implements electronic dispersion compensation in the receive path, as well as optical preemphasis on the transmitted signal in order to improve aspects of optical performance on multimode fiber links, relative to systems that do not implement transmitter preemphasis. Among other things, such optical transceivers can be used to achieve longer link lengths over a given fiber and/or to improve the percentage of fibers that can be used with a given performance electronic dispersion implementation.

REFERENCES:
patent: 2003/0067655 (2003-04-01), Pedersen et al.
patent: 2004/0258145 (2004-12-01), Popescu et al.
patent: 2005/0285236 (2005-12-01), Sasser et al.
patent: 2006/0067699 (2006-03-01), Chandrasekhar et al.
patent: 2006/0159462 (2006-07-01), Aronson et al.
Part 3: Carrier Sense Multiple Access with Collision Detection(CSMA/CD)Access Method and Physical Layer Specifications, Draft IEEE 802.3aq™ /D1.0, Dec. 2004, pp. 1-19.

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