Advancements and Future Perspectives in All-Optical Detection and Reliability Improvement Technologies
A special issue of Photonics (ISSN 2304-6732). This special issue belongs to the section "Optical Interaction Science".
Deadline for manuscript submissions: 20 February 2026 | Viewed by 205
Special Issue Editor
Special Issue Information
Dear Colleagues,
With the rapid development of bandwidth-intensive applications, optical networks have experienced a substantial increase in traffic. Theseoptical networks are highly vulnerable to security threats such as eavesdropping and attacks. Photonic firewalls, which can perform data identification and intrusion detection directly at the optical layer, are emerging as high-speed, low-energy network security tools. A core part of photonic firewalls is the all-optical matching system, which comprises all-optical logic gates such as the AND gate, NOT gate, XOR gate, etc. However, we continue to face the following challenges: First, SOA-based matching structures are unable to achieve all-optical matching at 40G and higher rates. In addition, there is a lack of matching structures for high-order modulation formats and existing structures that are suitable for amplitude signals. Furthermore, there is a lack of matching models for arbitrary modulation formats, where each modulation format corresponds to a set of matching structures. Lastly, the existing matching structures cannot handle the impact of system noise on matching, limiting the application of the current structures. These challenges highlight the need for further in-depth research to develop more effective solutions.
Dr. Xin Li
Guest Editor
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Keywords
- optical network security
- all-optical fast matching
- all-optical logic gates
- optical network reliability
- reliability evaluation
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