Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Broadband Photonic RF Channelizer Based on a C-Band Kerr Soliton Crystal Micro-Comb

Version 1 : Received: 2 November 2020 / Approved: 4 November 2020 / Online: 4 November 2020 (09:25:43 CET)

How to cite: Tan, M.; Xu, X.; Wu, J.; Boes, A.; Corcoran, B.; Nguyen, T.; Chu, S.; Little, B.; Morandotti, R.; Mitchell, A.; Moss, D. Broadband Photonic RF Channelizer Based on a C-Band Kerr Soliton Crystal Micro-Comb. Preprints 2020, 2020110180 (doi: 10.20944/preprints202011.0180.v1). Tan, M.; Xu, X.; Wu, J.; Boes, A.; Corcoran, B.; Nguyen, T.; Chu, S.; Little, B.; Morandotti, R.; Mitchell, A.; Moss, D. Broadband Photonic RF Channelizer Based on a C-Band Kerr Soliton Crystal Micro-Comb. Preprints 2020, 2020110180 (doi: 10.20944/preprints202011.0180.v1).

Abstract

We report a 92 channel RF channelizer based on a 48.9 GHz integrated micro-comb that operates via soliton crystals, together with a passive high-Q ring resonator that acts as a periodic filter with an optical 3dB bandwidth of 121.4 MHz. We obtain an instant RF bandwidth of 8.08 GHz and 17.55 GHz achieved through temperature tuning. These results represent a major advance to achieving fully integrated photonic RF spectrum channelizers with reduced low complexity, size, and high performance for digital-compatible signal detection and broadband analog signal processing.

Subject Areas

microwave photonics; RF channelizer; micro-ring resonators; Kerr micro-combs

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