Near-real-time modal reconstruction using frequency-domain C2 imaging

Jeffrey Demas; Siddharth Ramachandran

doi:10.1364/CLEO_SI.2014.STu3N.3

CLEO: 2014
OSA Technical Digest (online) (Optica Publishing Group, 2014),
paper STu3N.3
•https://doi.org/10.1364/CLEO_SI.2014.STu3N.3

Near-real-time modal reconstruction using frequency-domain C² imaging

Jeffrey Demas and Siddharth Ramachandran

CLEO: Science and Innovations 2014

San Jose, California United States
8–13 June 2014
ISBN: 978-1-55752-999-2

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Fiber Measurement and Devices (STu3N)

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J. Demas and S. Ramachandran, "Near-real-time modal reconstruction using frequency-domain C2 imaging," in CLEO: 2014, OSA Technical Digest (online) (Optica Publishing Group, 2014), paper STu3N.3.

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Abstract

We demonstrate frequency-domain cross-correlated (C²) imaging to reconstruct fiber modes and measure relative weights. Measurements take only 1.5 s, yield sub-ps group delay resolution and 25 dB modal discrimination, facilitating near-real-time monitoring of modal purity.

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