Asymmetric multiple-image interference cryptosystem using discrete cosine transform and conditional decomposition
Sign Up to like & getrecommendations! Published in 2019 at "Optical Review"
DOI: 10.1007/s10043-019-00552-0
Abstract: In this study, we propose an asymmetric multiple-image encryption technique based on optical interference that utilizes the discrete cosine transform (DCT) and conditional decomposition. First, the DCT spectrum of each original image is cropped by… read more here.
Keywords: image; interference; asymmetric multiple; conditional decomposition ... See more keywords
Asymmetric multiple-image cryptosystem based on LUP decomposition in spherical diffraction domain
Sign Up to like & getrecommendations! Published in 2021 at "Laser Physics Letters"
DOI: 10.1088/1612-202x/abd182
Abstract: In this paper, an asymmetric multiple-image cryptosystem is proposed using LUP decomposition (LUPD) in the spherical diffraction (SpD) domain. To the best of our knowledge, the SpD transform is applied to the optical encryption for… read more here.
Keywords: asymmetric multiple; multiple image; cryptosystem; image cryptosystem ... See more keywords
Improved performance of GaN-based blue laser diodes using asymmetric multiple quantum wells without the first quantum barrier layer.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.453611
Abstract: An asymmetric multiple quantum well (MQW) without the first quantum barrier layer is designed, and its effect on the device performance of GaN-based blue LDs has been studied experimentally and theoretically. It is found that… read more here.
Keywords: gan based; asymmetric multiple; performance; quantum ... See more keywords