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Photonic Integrated Microwave Phase Shifter up to the mm-Wave Band with Fast Response Time in Silicon-on-Insulator Technology

Porzi, C; Serafino, G; Sans, M; Falconi, F; Sorianello, V; Pinna, S; Mitchell, JE; ... Ghelfi, P; + view all (2018) Photonic Integrated Microwave Phase Shifter up to the mm-Wave Band with Fast Response Time in Silicon-on-Insulator Technology. Journal of Lightwave Technology , 36 (19) pp. 4494-4500. 10.1109/JLT.2018.2846288. Green open access

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Abstract

An integrated silicon-on-insulator microwave photonic phase shifter is demonstrated, based on an optical deinterleaver providing box-like transfer function and a reverse-biased pn-junction waveguide optical phase shifter. The photonic integrated circuit is proved to precisely control the phase of microwave signals in a range of more than 400° with a fast reconfiguration time of 1 ns, with a broad bandwidth of more than 6 GHz around an RF carrier flexibly selectable between 10 and 16 GHz, and limited in-band RF power variations. Moreover, thanks to the periodic behavior of the deinterleaver, the device is demonstrated to correctly control the phase of signals in the mm-wave band (> 30 GHz) as well. The performance guaranteed by the proposed microwave phase shifter suggests its use in demanding applications as rapidly reconfiguring phased array antennas in future wireless communications systems.

Type: Article
Title: Photonic Integrated Microwave Phase Shifter up to the mm-Wave Band with Fast Response Time in Silicon-on-Insulator Technology
Open access status: An open access version is available from UCL Discovery
DOI: 10.1109/JLT.2018.2846288
Publisher version: http://doi.org/10.1109/JLT.2018.2846288
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: Phase shifters, Photonic integrated circuits, Silicon Photonics, Microwave photonics.
UCL classification: UCL
UCL > Provost and Vice Provost Offices
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/10050194
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