Cross-referenced deadband-free microwave frequency measurement with cascaded-four-wave-mixing-based photonic harmonic down-conversion | Zendy

Xinhai Zou | Zendy; Shangjian Zhang | Zendy; Heng Wang | Zendy; Yangxue Ma | Zendy; Xuyan Zhang | Zendy; Zhiyao Zhang | Zendy; Yong Liu | Zendy

Open Access

Cross-referenced deadband-free microwave frequency measurement with cascaded-four-wave-mixing-based photonic harmonic down-conversion

Author(s) -

Xinhai Zou,

Shangjian Zhang,

Heng Wang,

Yangxue Ma,

Xuyan Zhang,

Zhiyao Zhang,

Yong Liu

Publication year - 2019

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.27.023714

Subject(s) - optics , photonics , harmonic , microwave , intermediate frequency , physics , frequency multiplier , optoelectronics , acoustics , radio frequency , computer science , telecommunications , cmos , quantum mechanics

A cross-referenced and deadband-free method with photonic harmonic down-conversion is proposed for microwave frequency measurement based on cascaded-four-wave-mixing (CFWM) in semiconductor optical amplifiers. The proposed method enables ultra-wide and accurate frequency measurement with low-frequency spectrum detection, and at the same time achieves deadband-free and multi-tone frequency measurement by cross-referenced frequency discrimination. For a proof of concept, microwave signal measurement is experimentally demonstrated up to the 40 GHz frequency range with an 0.2-MHz measurement error. The frequency measurement features ease of configuration by only changing the low-frequency electrical local oscillators of the CFWM-based photonic harmonic down-converter.

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