Patent Number: 7,613,400

Title: Multi-level optical data communication circuit

Abstract: A driver circuit is coupled to an optical waveguide transmitter. The driver circuit has a current generator that is in series with the transmitter, and a current robbing circuit is coupled to the transmitter. The current robbing circuit is to divert first and second amounts of current from the transmitter, in accordance with predetermined values of first and second bit streams, respectively, in which data is received to be transmitted. Other embodiments are also described and claimed.

Inventors: Cheng; Hengju (Mountain View, CA), Kirkpatrick; Peter (San Francisco, CA)

Assignee: Intel Corporation

International Classification: H04B 10/04 (20060101)

Expiration Date: 1/03/02017