Transfer Learning for Optical Sensing with Orbital Angular Momentum Beams

Wang，Yuntian; Zhou，Zhitai; Liu，Huanhuan; Dang，Hong; Liao，Luoyuan; Chen，Jinna; Tang，Xiaoying; Tang，Jianbo; Shum，Perry Ping

10.1109/OGC52961.2021.9654346

2021

Optoelectronics Global Conference (OGC)

978-1-6654-3195-8

2021 Optoelectronics Global Conference, OGC 2021

179-182

15-18 Sept. 2021

Shenzhen, China

345 E 47TH ST, NEW YORK, NY 10017 USA

IEEE

We trained a neural network based on Resnet to improve the sensing accuracy in measuring the magnetic field applied on a Magneto-optic effect crystal, Bi4 Ge3O12 (BGO). The sensing system implements the superposition of vortex beams carrying orbital angular momentum (OAM) with topological charge of ±1. Such composited OAM beams passing through a linear polarizer will produce petal-like pattern, and the pattern captured on charge-coupled device (CCD) sensor will rotate when magnetic field applies on BGO crystals. Detecting the pattern rotation can extract the information of external magnetic field. Considering the noise added on the CCD is rather arbitrary, using transfer learning based on Resnet can significantly improve the precision and accuracy to recognize the angle rotation of different SNR images. This is a potential application in fiber sensing.

neural network optical sensing orbital angular momentum transfer learning

第一

英语

CPCI-S ; EI

Shenzhen Science, Technology & Innovation Commission (SSTIC)[20200925162216001]

Engineering ; Optics ; Imaging Science & Photographic Technology

Engineering, Electrical & Electronic ; Optics ; Imaging Science & Photographic Technology

WOS:000838025000046

20220711639002

Angular momentum ; Charge coupled devices ; Germanium compounds ; Image enhancement ; Polarization ; Signal to noise ratio

Magnetism: Basic Concepts and Phenomena:701.2 ; Semiconductor Devices and Integrated Circuits:714.2 ; Information Theory and Signal Processing:716.1

2-s2.0-85124563476

Scopus

Southern University of Science and Technology,Dept. of Electronic and Electrical Engineering,Shenzhen,China

Wang，Yuntian,Zhou，Zhitai,Liu，Huanhuan,et al. Transfer Learning for Optical Sensing with Orbital Angular Momentum Beams[C]. 345 E 47TH ST, NEW YORK, NY 10017 USA:IEEE,2021:179-182.