DSP-based Physical Layer Security in Fiber Optic Networks (Invited)

Roger Giddings

DSP-based Physical Layer Security in Fiber Optic Networks (Invited)

Roger Giddings

School of Computer Science & Engineering

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Abstract

Physical layer security (PLS) is becoming a
fundamental requirement in both present and next-generation
optical networks, driven by the emerging threat imposed by
the immense processing power of quantum computers. To
address the need for cost-effective PLS solutions suitable for
economically sensitive optical access networks, we have
proposed and experimentally demonstrated a DSP-enabled PLS
technique offering retrofittable compatibility with existing
optical networks and a purely DSP-based solution for seamless
digital integration in future communication systems. This paper
presents an overview of the proposed techniques, including
details of operating principles, experimental validations and
investigations, prototype development, and field trials.

Original language	English
Number of pages	4
Publication status	Published - 7 Jul 2025
Event	25th Anniversary International Conference on Transparent Optical Networks - https://icton2025.upc.edu/, Barcelona, Spain Duration: 6 Jul 2025 → 10 Jul 2025

Conference

Conference	25th Anniversary International Conference on Transparent Optical Networks
Abbreviated title	ICTON 2025
Country/Territory	Spain
City	Barcelona
Period	6/07/25 → 10/07/25

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title = "DSP-based Physical Layer Security in Fiber Optic Networks (Invited)",

abstract = "Physical layer security (PLS) is becoming a fundamental requirement in both present and next-generation optical networks, driven by the emerging threat imposed by the immense processing power of quantum computers. To address the need for cost-effective PLS solutions suitable for economically sensitive optical access networks, we have proposed and experimentally demonstrated a DSP-enabled PLS technique offering retrofittable compatibility with existing optical networks and a purely DSP-based solution for seamless digital integration in future communication systems. This paper presents an overview of the proposed techniques, including details of operating principles, experimental validations and investigations, prototype development, and field trials.",

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AB - Physical layer security (PLS) is becoming a fundamental requirement in both present and next-generation optical networks, driven by the emerging threat imposed by the immense processing power of quantum computers. To address the need for cost-effective PLS solutions suitable for economically sensitive optical access networks, we have proposed and experimentally demonstrated a DSP-enabled PLS technique offering retrofittable compatibility with existing optical networks and a purely DSP-based solution for seamless digital integration in future communication systems. This paper presents an overview of the proposed techniques, including details of operating principles, experimental validations and investigations, prototype development, and field trials.

M3 - Paper

T2 - 25th Anniversary International Conference on Transparent Optical Networks

Y2 - 6 July 2025 through 10 July 2025

ER -

DSP-based Physical Layer Security in Fiber Optic Networks (Invited)

Abstract

Conference

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