Integrated Tunable Phase Shifter Based on Energy-Conserved Phase Amplification and Its Application for RF-OAM Generation

Mingyang Zhao; Xuebing Zhang; N.C. Tran; Hong Wen; Yuanjiang Xiang; Zizheng Cao; Ad C.F. Reniers; A.M.J. (Ton) Koonen

doi:10.1109/JSTQE.2020.3014807

Integrated Tunable Phase Shifter Based on Energy-Conserved Phase Amplification and Its Application for RF-OAM Generation

Mingyang Zhao
, Xuebing Zhang
, N.C. Tran
, Hong Wen
, Yuanjiang Xiang (Corresponding author)
, Zizheng Cao (Corresponding author)
, Ad C.F. Reniers
, A.M.J. (Ton) Koonen

Research output: Contribution to journal › Article › Academic › peer-review

5 Citations (Scopus)

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Abstract

Photonics-assisted microwave phase shifter is one of the essential components in communications. Phase amplification is a promising technology which efficiently enables compact photonics-assisted microwave phase shifter. Based on vector sum, the phase shift can be translated from amplitude attenuation to phase amplification. This issues an additional optical energy consumption and even more the highly dependent signal to noise ratio of phase-shifted microwave signal. In this paper, we propose an energy-conserved phase amplification concept to address this issue. Furthermore, based on this concept, we demonstrate a microwave photonic phase shift system with an integrated chip incorporating an arrayed waveguide gratings (AWG) structure. A multichannel continuous 360° phase shift over a frequency range of 12 GHz–20 GHz can be achieved by changing the optical carrier wavelength. Taking advantages of phase modulator and AWG structure, a reliable and efficient phase shifter for beam steering and orbital angular momentum (OAM) generation system can be realized without any other active device. The simulation results of OAM purity test show that better OAM beams can be obtained with the proposed phase shifter. This integration method has great potential in RF OAM generation and multiplexing system to improve the signal quality and reduce the system complexity.

Original language	English
Article number	7600706
Number of pages	6
Journal	IEEE Journal of Selected Topics in Quantum Electronics
Volume	27
Issue number	2
DOIs	https://doi.org/10.1109/JSTQE.2020.3014807
Publication status	Published - 1 Mar 2021

Funding

Manuscript received May 18, 2020; revised July 29, 2020; accepted July 30, 2020. Date of publication August 10, 2020; date of current version August 20, 2020. This work was supported in part by TU/e IDEAS project, in part by NWO Zwaartekracht program on Integrated Nanophotonics, in part by the National Natural Science Foundation of China under Grants 61875133 and 11874269, in part by Open Fund of the State Key Laboratory of Optoelectronic Materials and Technologies (SYSU), and in part by International Collaboration Fund of Changchun Institute of Optics, Fine Mechanics and Physics (CIOMP). (Corresponding authors: Yuanjiang Xiang; Zizheng Cao.) Mingyang Zhao is with the Shenzhen University, Shenzhen 518060, China, and also with the Institute for Photonic Integration (IPI), Eindhoven University of Technology, NL Eindhoven 5600 MB, The Netherlands (e-mail: [email protected]).

Funders	Funder number
National Natural Science Foundation of China	61875133, 11874269
Sun Yat-Sen University
Nederlandse Organisatie voor Wetenschappelijk Onderzoek

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy

Keywords

Integrated microwave photonics
RF-OAM
optical signal processing
phase amplification
phase shifters

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10.1109/JSTQE.2020.3014807

published versionFinal published version, 1.21 MBLicence: TAVERNE

Cite this

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title = "Integrated Tunable Phase Shifter Based on Energy-Conserved Phase Amplification and Its Application for RF-OAM Generation",

abstract = "Photonics-assisted microwave phase shifter is one of the essential components in communications. Phase amplification is a promising technology which efficiently enables compact photonics-assisted microwave phase shifter. Based on vector sum, the phase shift can be translated from amplitude attenuation to phase amplification. This issues an additional optical energy consumption and even more the highly dependent signal to noise ratio of phase-shifted microwave signal. In this paper, we propose an energy-conserved phase amplification concept to address this issue. Furthermore, based on this concept, we demonstrate a microwave photonic phase shift system with an integrated chip incorporating an arrayed waveguide gratings (AWG) structure. A multichannel continuous 360° phase shift over a frequency range of 12 GHz{\textendash}20 GHz can be achieved by changing the optical carrier wavelength. Taking advantages of phase modulator and AWG structure, a reliable and efficient phase shifter for beam steering and orbital angular momentum (OAM) generation system can be realized without any other active device. The simulation results of OAM purity test show that better OAM beams can be obtained with the proposed phase shifter. This integration method has great potential in RF OAM generation and multiplexing system to improve the signal quality and reduce the system complexity.",

keywords = "Integrated microwave photonics, RF-OAM, optical signal processing, phase amplification, phase shifters",

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AU - Zhao, Mingyang

AU - Zhang, Xuebing

AU - Tran, N.C.

AU - Wen, Hong

AU - Xiang, Yuanjiang

AU - Cao, Zizheng

AU - Reniers, Ad C.F.

AU - Koonen, A.M.J. (Ton)

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N2 - Photonics-assisted microwave phase shifter is one of the essential components in communications. Phase amplification is a promising technology which efficiently enables compact photonics-assisted microwave phase shifter. Based on vector sum, the phase shift can be translated from amplitude attenuation to phase amplification. This issues an additional optical energy consumption and even more the highly dependent signal to noise ratio of phase-shifted microwave signal. In this paper, we propose an energy-conserved phase amplification concept to address this issue. Furthermore, based on this concept, we demonstrate a microwave photonic phase shift system with an integrated chip incorporating an arrayed waveguide gratings (AWG) structure. A multichannel continuous 360° phase shift over a frequency range of 12 GHz–20 GHz can be achieved by changing the optical carrier wavelength. Taking advantages of phase modulator and AWG structure, a reliable and efficient phase shifter for beam steering and orbital angular momentum (OAM) generation system can be realized without any other active device. The simulation results of OAM purity test show that better OAM beams can be obtained with the proposed phase shifter. This integration method has great potential in RF OAM generation and multiplexing system to improve the signal quality and reduce the system complexity.

AB - Photonics-assisted microwave phase shifter is one of the essential components in communications. Phase amplification is a promising technology which efficiently enables compact photonics-assisted microwave phase shifter. Based on vector sum, the phase shift can be translated from amplitude attenuation to phase amplification. This issues an additional optical energy consumption and even more the highly dependent signal to noise ratio of phase-shifted microwave signal. In this paper, we propose an energy-conserved phase amplification concept to address this issue. Furthermore, based on this concept, we demonstrate a microwave photonic phase shift system with an integrated chip incorporating an arrayed waveguide gratings (AWG) structure. A multichannel continuous 360° phase shift over a frequency range of 12 GHz–20 GHz can be achieved by changing the optical carrier wavelength. Taking advantages of phase modulator and AWG structure, a reliable and efficient phase shifter for beam steering and orbital angular momentum (OAM) generation system can be realized without any other active device. The simulation results of OAM purity test show that better OAM beams can be obtained with the proposed phase shifter. This integration method has great potential in RF OAM generation and multiplexing system to improve the signal quality and reduce the system complexity.

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Integrated Tunable Phase Shifter Based on Energy-Conserved Phase Amplification and Its Application for RF-OAM Generation

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UN SDGs

Keywords

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