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Scalable Bandwidth and High-Precision Spectral Measurement by Frequency Chirped Comb

Lo, MC; Sohanpal, R; Zhou, Z; Liu, Z; (2022) Scalable Bandwidth and High-Precision Spectral Measurement by Frequency Chirped Comb. In: 2022 IEEE Photonics Conference, IPC 2022 - Proceedings. IEEE Green open access

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Abstract

A cost-effective scan technique enabling scalable measurement range is presented by injecting a sweep RF signal of 27.5-30 GHz into an electro-optic comb generator. The 10th-order harmonic scans over an extended span (275-300 GHz) where an ultra-narrow (Q >106) resonance is well-resolved with sub-MHz resolution.

Type: Proceedings paper
Title: Scalable Bandwidth and High-Precision Spectral Measurement by Frequency Chirped Comb
Event: 2022 IEEE Photonics Conference (IPC)
Dates: 13 Nov 2022 - 17 Nov 2022
ISBN-13: 9781665434874
Open access status: An open access version is available from UCL Discovery
DOI: 10.1109/IPC53466.2022.9975514
Publisher version: http://doi.org/10.1109/IPC53466.2022.9975514
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Microwave photonics, Optical frequency comb, Optical harmonic generation, Frequency response
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/10164158
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