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Amplitude independent instantaneous frequency measurement using all optical technique

journal contribution
posted on 13.02.2018, 00:00 by Lam BuiLam Bui, A Mitchell
A novel all-optical system which independently measures both the amplitude and frequency of an RF signal is proposed and demonstrated. A photonic Hilbert transformer provides two orthogonal measurements of an RF signal. These are compared using four wave mixing in a highly nonlinear fiber, producing two independent outputs enabling determination of both signal frequency and amplitude. This all optical approach requires only simple, low cost DC electronics at the receiver. The system is demonstrated up to 20 GHz but can be scaled to 40 GHz and beyond. © 2013 Optical Society of America.

History

Volume

21

Issue

24

Start Page

29601

End Page

29611

Number of Pages

11

eISSN

1094-4087

Publisher

Optical Society of America

Additional Rights

Gold open access

Peer Reviewed

Yes

Open Access

Yes

Acceptance Date

13/11/2013

External Author Affiliations

RMIT University

Era Eligible

Yes

Journal

Optics Express