Simultaneous distributed acoustic sensing and communication over a two-mode fiber

被引：8

作者：

Marin, Juan M. ^{[1
]}

Ashry, Islam ^{[1
]}

Alkhazragi, Omar ^{[1
]}

Trichili, Abderrahmen ^{[1
]}

Ng, Tien Khee ^{[1
]}

Ooi, Boon S. ^{[1
]}

Ooi, Boon s.

机构：

[1] King Abdullah Univ Sci & Technol KAUST, Div Comp Elect & Math Sci & Engn, Photon Lab, Thuwal 239556900, Saudi Arabia

来源：

OPTICS LETTERS | 2022年 / 47卷 / 24期

关键词：

Bit error rate - Optical fiber communication - Optical fibers - Signal to noise ratio;

D O I：

10.1364/OL.473502

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We designed and tested a distributed acoustic sensing (DAS) that co-exists with optical communication over a two-mode fiber (TMF). In particular, we excited both linearly polarized (LP) modes, LP01 and LP11a, using a photonic lantern for simultaneous information signal transmission while collecting the backscattered Rayleigh light at the near end of the fiber to detect vibrations from a predetermined source. While transmitting data using on-off keying (OOK) or orthogonal frequency-division multiplexing (OFDM) modulation schemes, the optical fiber DAS offers high signal-to-noise ratio (SNR) values that are always larger than the minimum acceptable 2 dB SNR. In addition, as a proof-of-concept experiment, we report parallel sensing and OFDM transmission achieving a data rate of up to 4.2 Gb/s with a bit error rate (BER) of 3.2 x 10-3. (c) 2022 Optica Publishing Group

引用

页码：6321 / 6324

页数：4

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