Lia, E; Ghosh, I; Hanham, S M; Walter, B; Bavedila, F; Faucher, M; Gregory, A P; Jensen, L; Buchholz, J; Fischer, H; Altmann, U; Follmann, R (2023) Novel mm-Wave Oscillator Based on an Electromagnetic Bandgap Resonator. IEEE Microwave and Wireless Technology Letters, 33 (6). pp. 863-866.

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Abstract

This paper introduces a novel millimeter-wave oscillator concept based on an electromagnetic bandgap (EBG) resonator (also called a photonic crystal resonator). To realize an ultra-low phase noise MMIC oscillator, an EBG resonator is developed by introducing a periodic structure into an ultra-high resistivity silicon wafer to create an electromagnetic bandgap which confines a localized resonant mode with a reduced mode dielectric filling factor of 47%. The measured results of the resonator demonstrate an unloaded Q-factor of 108,300 can be achieved at 45 GHz. Measured oscillator phase noise levels of −91.5, −121.5 and −133 dBc/Hz are obtained at offset frequencies of 1, 10 and 100 kHz, respectively.

Item Type:	Article
Subjects:	Electromagnetics > RF and Microwave
Divisions:	Electromagnetic & Electrochemical Technologies
Identification number/DOI:	10.1109/LMWT.2023.3268090
Last Modified:	29 Sep 2023 12:52
URI:	https://eprintspublications.npl.co.uk/id/eprint/9838