Iterative phase retrieval for simultaneously generating two phase-only masks with silhouette removal in interference-based optical encryption

Wen Chen; Xudong Chen

doi:10.1016/j.optcom.2014.05.064

Iterative phase retrieval for simultaneously generating two phase-only masks with silhouette removal in interference-based optical encryption

Wen Chen
, Xudong Chen

Research output: Journal article publication › Journal article › Academic research › peer-review

30 Citations (Scopus)

Abstract

We propose a novel method using iterative phase retrieval for simultaneously generating two phase-only masks with silhouette removal in interference-based optical encryption system. Different from previous works, an iterative phase retrieval algorithm is developed for simultaneously generating two phase-only masks in the different optical paths, and no additional keys (or masks) or complementary algorithms are required. Silhouette problem inherent in conventional interference-based encryption method is fully resolved, and the higher security can be correspondingly achieved.

Original language	English
Pages (from-to)	133-138
Number of pages	6
Journal	Optics Communications
Volume	331
DOIs	https://doi.org/10.1016/j.optcom.2014.05.064
Publication status	Published - 15 Nov 2014
Externally published	Yes

Keywords

Interference
Optical encryption
Phase retrieval

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Physical and Theoretical Chemistry
Electrical and Electronic Engineering

More information

10.1016/j.optcom.2014.05.064

Cite this

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abstract = "We propose a novel method using iterative phase retrieval for simultaneously generating two phase-only masks with silhouette removal in interference-based optical encryption system. Different from previous works, an iterative phase retrieval algorithm is developed for simultaneously generating two phase-only masks in the different optical paths, and no additional keys (or masks) or complementary algorithms are required. Silhouette problem inherent in conventional interference-based encryption method is fully resolved, and the higher security can be correspondingly achieved.",

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AB - We propose a novel method using iterative phase retrieval for simultaneously generating two phase-only masks with silhouette removal in interference-based optical encryption system. Different from previous works, an iterative phase retrieval algorithm is developed for simultaneously generating two phase-only masks in the different optical paths, and no additional keys (or masks) or complementary algorithms are required. Silhouette problem inherent in conventional interference-based encryption method is fully resolved, and the higher security can be correspondingly achieved.

KW - Interference

KW - Optical encryption

KW - Phase retrieval

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DO - 10.1016/j.optcom.2014.05.064

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Iterative phase retrieval for simultaneously generating two phase-only masks with silhouette removal in interference-based optical encryption

Abstract

Keywords

ASJC Scopus subject areas

More information

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