All-optical cryptography of M-QAM formats by using two-dimensional spectrally sliced keys

Marcelo L. F. Abbade; Milorad Cvijetic; Carlos A. Messani; Cleiton J. Alves; Stefan Tenenbaum

doi:10.1364/AO.54.004359

Applied Optics
Vol. 54,
Issue 14,
pp. 4359-4365
(2015)
•https://doi.org/10.1364/AO.54.004359

All-optical cryptography of M-QAM formats by using two-dimensional spectrally sliced keys

Marcelo L. F. Abbade, Milorad Cvijetic, Carlos A. Messani, Cleiton J. Alves, and Stefan Tenenbaum

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Marcelo L. F. Abbade, Milorad Cvijetic, Carlos A. Messani, Cleiton J. Alves, and Stefan Tenenbaum, "All-optical cryptography of M-QAM formats by using two-dimensional spectrally sliced keys," Appl. Opt. 54, 4359-4365 (2015)

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Table of Contents Category
- Fiber Optics and Optical Communications
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About this Article
History
- Original Manuscript: February 4, 2015
- Revised Manuscript: April 6, 2015
- Manuscript Accepted: April 11, 2015
- Published: May 5, 2015

Abstract

There has been an increased interest in enhancing the security of optical communications systems and networks. All-optical cryptography methods have been considered as an alternative to electronic data encryption. In this paper we propose and verify the use of a novel all-optical scheme based on cryptographic keys applied on the spectral signal for encryption of the M-QAM modulated data with bit rates of up to 200 gigabits per second.

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Name	Encoding Parameters
$K_{1}$	{13; 100°, 50°, 140°, 65°, 150°, 70°, 120°, 180°, 90°, 175°, 155°, 5°, 170°; 100 ps, 300 ps, 200 ps, 400 ps, 250 ps, 100 ps, 50 ps, 200 ps, 150 ps, 450 ps, 150 ps, 500 ps, 250 ps}
$K_{2}$	{13; 10°, 80°, 170°, 40°, 100°, 60°, 100°, 170°, 20°, 160°, 180°, 50°, 125°; 200 ps, 475 ps, 300 ps, 100 ps, 50 ps, 250 ps, 150 ps, 400 ps, 300 ps, 350 ps, 500 ps, 50 ps, 200 ps}
$K_{3}$	{13; 170°, 135°, 160°, 20°, 90°, 180°, 120°, 70°, 120°, 65°, 100°, 10°, 130°; 250 ps, 500 ps, 150 ps, 450 ps, 150 ps, 475 ps, 225 ps, 450 ps, 250 ps, 400 ps, 200 ps, 300 ps, 100 ps}
$K_{4}$	{7; 160°, 140°, 10°, 110°, 70°, 90°, 180°; 50 ps, 35 ps, 20 ps, 40 ps, 30 ps, 40 ps, 10 ps}
$K_{5}$	{7; 10°, 110°, 80°, 130°, 70°, 160°, 20°; 45 ps, 15 ps, 5 ps, 30 ps, 10 ps, 20 ps, 50 ps}
$K_{6}$	{7; 175°,75°, 105°, 180°, 40°, 120°, 125°; 5 ps, 45 ps, 30 ps, 10 ps, 50 ps, 5 ps,30 ps}

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