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Authors: Shubham Mirg and Pradeep Kumar K.

Affiliation: Department of Electrical Engineering, Indian Institute of Technology Kanpur, Kanpur-208016 and India

Keyword(s): Fiber Optic Interferometer, Homodyne PGC, Path Imbalance Measurement.

Related Ontology Subjects/Areas/Topics: Optical Communications and Networking ; Optics ; Photodetectors, Sensors and Imaging ; Photonics ; Photonics, Optics and Laser Technology

Abstract: We demonstrate a passive measurement technique for interferometer path imbalance using homodyne PGC. A 20.8 kHz frequency modulated optical source is employed to interrogate an unbalanced Michelson interferometer. The spectrum of the received photocurrent is then recorded for various frequency deviation values. The variation in harmonic peak powers enables us to determine path imbalances. Different path imbalances are estimated and verified against the pre-calibrated values. The measurement scheme proposed requires no feedback and can be employed to passively measure path imbalances in interferometer sensor arrays already laid out in the field.

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Paper citation in several formats:
Mirg, S. and K., P. (2019). Passive Path Imbalance Measurement in Fiber Optic Interferometer using Homodyne PGC Scheme. In Proceedings of the 7th International Conference on Photonics, Optics and Laser Technology - PHOTOPTICS; ISBN 978-989-758-364-3; ISSN 2184-4364, SciTePress, pages 73-78. DOI: 10.5220/0007407500730078

@conference{photoptics19,
author={Shubham Mirg. and Pradeep Kumar K..},
title={Passive Path Imbalance Measurement in Fiber Optic Interferometer using Homodyne PGC Scheme},
booktitle={Proceedings of the 7th International Conference on Photonics, Optics and Laser Technology - PHOTOPTICS},
year={2019},
pages={73-78},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0007407500730078},
isbn={978-989-758-364-3},
issn={2184-4364},
}

TY - CONF

JO - Proceedings of the 7th International Conference on Photonics, Optics and Laser Technology - PHOTOPTICS
TI - Passive Path Imbalance Measurement in Fiber Optic Interferometer using Homodyne PGC Scheme
SN - 978-989-758-364-3
IS - 2184-4364
AU - Mirg, S.
AU - K., P.
PY - 2019
SP - 73
EP - 78
DO - 10.5220/0007407500730078
PB - SciTePress

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