Inventors:
Alistair J. Price - Columbia MD, US
William Radtke - Ellicott City MD, US
David F. Smith - Ellicott City MD, US
Assignee:
Broadwing Corporation - Austin TX
International Classification:
H04B 10/04
US Classification:
398187, 398 76, 398 77, 398189
Abstract:
A method of transmitting an optical communications signal, comprising receiving a first signal, encoding the signal with a differential or duobinary encoding scheme, encoding the signal with an oscillating signal component, and sub-carrier modulating the signal onto a sub-carrier of an optical carrier signal. The invention also relates to corresponding systems and apparatuses.