US 6,469,816 B1
Phase-modulated fiber optic telecommunications systemGeneral
US 6,469,816 B1
Phase-modulated fiber optic telecommunications system
Tech Center:
2600 Communications
Examiner:
Jason Chan
Art Unit:
2633 Digital and Optical Communications
Inventors:
Peter Snawerdt
Assignee:
Priority:
05/24/01
Filed:
05/24/01
Granted:
10/22/02
Expiration:
05/24/21
Abstract
A fiber optic data transmission system has a transmitter having a laser emitting a continuous wave light, a phase modulator phase modulating the continuous wave light so as to create an optical signal bearing information in phase-modulated form, and a telecommunications optical fiber connected to at least one receiver, the phase-modulator being connected to the telecommunications fiber so that the phase-modulated information optical signal is transmitted over the telecommunications fiber without recombining with the continuous wave light.