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Updated: Jul 4, 2025
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Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
Published on: March 20, 2017
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Chaotic phase noise-like encryption based on geometric shaping for coherent data center interconnections
Optics Express
|February 1, 2024
Summary
This study introduces a novel chaotic encryption algorithm using geometric shaping for secure data center interconnections. The method enhances transmission security and performance, achieving a 1.1 dB bit error rate gain.
Area of Science:
- Optoelectronics
- Network Security
- Digital Communications
Background:
- Data center network traffic is rapidly increasing, posing security challenges for data transmission.
- Distributed optical interconnections in data centers are vulnerable to security threats.
Purpose of the Study:
- To propose a secure and high-performance encryption algorithm for coherent data center interconnections (DCIs).
- To enhance the security of data transmission within data centers.
Main Methods:
- Utilized geometric shaping (GS) constellations to improve transmission performance.
- Implemented a chaotic encryption algorithm based on phase noise-like transformation (PNLT) for data scrambling.
- Combined GS with coherent equalization algorithms for enhanced security.
Main Results:
- Successfully verified 216 Gb/s 8-quadrature amplitude modulation (8-QAM) encrypted data transmission over a 240 km DCI link.
- Achieved a 1.1 dB bit error rate (BER) performance gain.
- Demonstrated effective data scrambling and increased phase confusion.
Conclusions:
- The proposed chaotic encryption algorithm offers a secure and compatible solution for enhanced DCIs.
- The integration of geometric shaping and chaotic encryption improves both transmission performance and security.
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