Photonic-assisted multi-format microwave signal generation based on thin-film lithium niobite

Sha Zhu; Miaoxing Cui; Jiaxue Feng; Kunpeng Zhai; Nan Zhou; Yiwen Zhang; Edwin Yue Bun Pun; Ning Hua Zhu; Cheng Wang

doi:10.1117/12.2686410

27 November 2023 Photonic-assisted multi-format microwave signal generation based on thin-film lithium niobite

Sha Zhu, Miaoxing Cui, Jiaxue Feng, Kunpeng Zhai, Nan Zhou, Yiwen Zhang, Edwin Yue Bun Pun, Ning Hua Zhu, Cheng Wang

Proceedings Volume 12761, Semiconductor Lasers and Applications XIII; 127610F (2023) https://doi.org/10.1117/12.2686410
Event: SPIE/COS Photonics Asia, 2023, Beijing, China

Abstract

Thin-Film Lithium Niobate (TFLN) is a promising platform for optical communications, microwave photonics, and quantum technologies. Compared with conventional bulk materials, the TFLN platform has received widespread attention for its ability to achieve compact and high-performance integrated photonic components. In this work, we proposed a photonic-assisted multi-format microwave signal generator based on a TFLN Mach-Zehnder Modulator (MZM). It is a system with the capacity to generate and switch between a variety of microwave waveforms that are needed for optical communication and radars. The proposed microwave photonic link features a simple architecture, including only a laser, an MZM, and a photodetector (PD). Different waveforms can be obtained by appropriately setting the driven signal and Direct Current (DC) bias of the MZM, such as Phase-Shift Keying (PSK) signal, Amplitude-Shift Keying (ASK) signal, and dual-chirp microwave signal. The proposed signal generator offers a broad operating frequency range since no optical or electrical filters are involved. In addition, no extra optical processing is required which guarantees the simplicity of the generator.

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Sha Zhu, Miaoxing Cui, Jiaxue Feng, Kunpeng Zhai, Nan Zhou, Yiwen Zhang, Edwin Yue Bun Pun, Ning Hua Zhu, and Cheng Wang "Photonic-assisted multi-format microwave signal generation based on thin-film lithium niobite", Proc. SPIE 12761, Semiconductor Lasers and Applications XIII, 127610F (27 November 2023); https://doi.org/10.1117/12.2686410

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KEYWORDS

Signal generators

Microwave radiation

Microwave photonics

Phase shift keying

Amplitude shift keying

Modulation

Photonic microstructures

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