Photonic approach for microwave frequency measurement with adjustable measurement range and resolution using birefringence effect in highly non-linear fiber | Zendy

Danqi Feng | Zendy; Heng Xie | Zendy; Lifen Qian | Zendy; Qinhong Bai | Zendy; Junqiang Sun | Zendy

Open Access

Photonic approach for microwave frequency measurement with adjustable measurement range and resolution using birefringence effect in highly non-linear fiber

Author(s) -

Danqi Feng,

Heng Xie,

Lifen Qian,

Qinhong Bai,

Junqiang Sun

Publication year - 2015

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.23.017613

Subject(s) - optics , birefringence , interferometry , microwave , optical fiber , frequency domain , observational error , fiber optic sensor , materials science , physics , computer science , telecommunications , computer vision , statistics , mathematics

We experimentally demonstrate a novel approach for microwave frequency measurement utilizing birefringence effect in the highly non-linear fiber (HNLF). A detailed theoretical analysis is presented to implement the adjustable measurement range and resolution. By stimulating a complementary polarization-domain interferometer pair in the HNLF, a mathematical expression that relates the microwave frequency and amplitude comparison function is developed. We carry out a proof-to-concept experiment. A frequency measurement range of 2.5-30 GHz with a measurement error within 0.5 GHz is achieved except 16-17.5 GHz. This method is all-optical and requires no high-speed electronic components.

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