Photonic monitoring for optical signals

US9042685B2 · kind B2 · utility

Assignee

• The University of Sydney · AU

Inventors

• Trung Duc Vo · Sydney, AU
• William Peter Corcoran · Sydney, AU
• Mark Pelusi · Camperdown, AU
• David James Moss · Croydon, AU
• Benjamin John Eggleton · Summit, US
• Jochen Schroeder · Schwäbisch Hall, DE

Key dates

• Filing date: Jun 20, 2011
• Grant date: May 26, 2015
• Expiry date: Dec 29, 2031

Classification

• Technology area (CPC H): Electricity
• CPC primary: H04J14/08
• WIPO field: Telecommunications
• WIPO sector: Electrical engineering

Abstract

This invention concerns real-time multi-impairment signal performance monitoring. In particular it concerns an optical device, for instance a monolithic integrated photonics chip, comprising a waveguide having an input region to receive a signal for characterization, and a narrow band CW laser signal. A non-linear waveguide region to mix the two received signals. More than one output region, each equipped with bandpass filters that extract respective discrete frequency bands of the RF spectrum of the mixed signals. And, also comprising (slow) power detectors to output the extracted discrete frequency banded signals.