Research on the Integration of Quantum and Classical Networks with OSN9800 TNU1CCXCS Wavelength Division Board

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1.Product Overview

TNU1CCXCS is a strategic research prototype platform for the integration of quantum information technology and classical optical networks on the OSN 9800 series optical transmission platform.This product is the core experimental carrier in the cutting-edge interdisciplinary field of"classical quantum hybrid communication", aiming to provide a world leading comprehensive hardware research and verification environment for the co fiber coexistence, resource collaboration, and system level fusion of quantum key distribution networks and classical large capacity data networks.It carries the core mission of exploring the next-generation information security foundation, building a converged communication architecture for the quantum computing era, and providing key technological reserves for long-term strategic layout in the field of quantum information.

2.Core positioning and integration research mission

System level experimental platform for co fiber transmission of classical and quantum signals

Designed for stable transmission of high-speed classical data signals (such as 400G/800G coherent optical signals) and extremely weak quantum signals (such as single photon level QKD signals) in the same optical fiber.

The core challenge lies in solving the problem of quantum signals being overwhelmed by the powerful spontaneous Raman scattering noise of classical signals, which is a key physical layer problem that this platform needs to overcome.

Architecture verification for the integration of quantum secure communication networks and classical business networks

Explore the deep integration mechanism between quantum key distribution and traditional optical networks at the control plane, management plane, and business level.

Research the on-demand allocation and scheduling of quantum key resources in dynamic business scenarios, and the automatic collaboration of classical encryption services, to construct a new network capability prototype of"Key-as-a-Service".

Frontier exploration of classical control and data networks in quantum computing clusters

To study the classical control signal distribution, quantum bit state reading and data transmission, and classical data exchange network between quantum computing nodes required for future large-scale quantum computer research.

Explore classic optical network architectures that meet extremely low latency, ultra-high synchronization accuracy, and specific topology requirements.

Infrastructure for the Long term Development of Quantum Information Technology

As a key experimental facility for systematic and engineering research in fields such as quantum communication and quantum computing, it serves the full chain innovation from basic physical effect verification to engineering system integration.

3.Core architecture and key features of the system

1.Physics and System Architecture

Model: TNU1CCXCS

Platform attribute: Research and prototype verification platform for classical quantum hybrid optical communication

Design principle:"Full link controllability, full parameter measurability, and full interference analyzability".

2.Core subsystem and fusion design

Classic Signal Subsystem: Integrated with high-performance coherent optical transceiver units, supporting flexible and adjustable high-order modulation formats and power control, used for simulating and carrying various classic data services.

Quantum signal subsystem: integrates quantum state preparation, modulation, transmission, and single photon detection and reception units that comply with mainstream QKD protocols (such as BB84, CV-QKD) and meet high sensitivity requirements.

Common fiber transmission and noise suppression subsystem:

Adopting composite schemes such as special filters, time-division/wavelength division/optical isolation, etc., to achieve physical isolation and noise suppression of classical and quantum channels.

Provide high-precision power, wavelength, and timing control to dynamically optimize the performance of co fiber transmission.

Integrated Control and Management Subsystem: A unified software and hardware framework that enables collaborative configuration, state monitoring, performance analysis, and key management of classical and quantum resources.

3.Deep open experimental interface

Physical layer depth probe: Open control and measurement interfaces for underlying physical parameters such as laser drive current, modulator bias point, and detector avalanche voltage.

Full link noise and interference analysis: Provides multi-point spectral, time-domain, and counting measurement interfaces for precise analysis of various interferences (spontaneous emission noise, nonlinear effects, etc.)of classical signals on quantum channels.

Protocol and Algorithm Programmable Interface: Supports researchers to load custom QKD post-processing algorithms, network collaboration protocols, or new anti-interference encoding and decoding schemes.

4.Research support system

Digital Twin and Joint Simulation Environment: Provides quantum classical channel joint simulation models corresponding to physical platforms, supporting pre validation of large-scale network architectures and protocols.

Automated Performance Characterization Platform: Integrated with automated testing scripts, it can quickly and repeatedly characterize key indicators such as key rate, bit error rate, and transmission distance of shared fiber transmission.

Open source research community: Establish a research community focused on quantum classical fusion around this platform, sharing experimental configurations, interference datasets, and fusion algorithm models.

4.Typical frontier research directions

Research on the co fiber transmission limit of ultra high speed QKD and classic services: Exploring the system design and performance boundary that supports Tbps level classic services and Mbps level secure key rate co transmission in backbone network distance (>80km) and metropolitan area network scenarios.

Fusion resource scheduling algorithm in dynamic network environment: Research on how to intelligently adjust parameters such as classical channel power and wavelength to ensure the stability of quantum key generation in situations such as dynamic changes in business traffic and network failures.

Convergent network architecture for quantum Internet: explore the architecture, interface protocol and routing mechanism of the integration of future quantum network nodes such as quantum storage and quantum relay with classical optical transmission networks.

New anti-interference quantum communication protocol verification: Utilizing the real complex noise environment provided by the platform, verify and optimize new QKD protocols or continuous variable quantum communication protocols with stronger noise tolerance.

Research on Specific Requirements for Quantum Computing Control Networks: Study the extreme requirements for delay, synchronization, bandwidth, and reliability of control networks for specific quantum computing systems (such as superconductors and ion traps), and design corresponding optical network solutions.

5.Summary of Core Values

Seize the high ground of quantum classical fusion technology: To provide leading engineering research capabilities and technical standard discourse power in the upcoming global competition for quantum classical network fusion.

Accelerate the practical application of quantum information technology: By solving the engineering challenges of integrating quantum systems with existing large-scale classical optical network infrastructure, accelerate the large-scale practical deployment of quantum technologies such as QKD.

Cultivate leading talents in quantum information engineering: provide researchers with a complex interdisciplinary research environment covering quantum physics, optical communication, network security, and systems engineering, and cultivate top engineering scientists who can master the next generation of integrated communication systems.

Building a quantum information security barrier: Through autonomous and controllable fusion architecture research and verification, laying a solid technical foundation for the security upgrade of future information infrastructure.

6.Access and cooperation mechanism

Platform code: TNU1CCXCS.

Operating mechanism: Adopting the model of"targeted open research platform under the management of major projects in the field of quantum information".Select fusion research topics with significant scientific value and application potential by the Domain Strategy Expert Committee.

User qualification: Mainly aimed at core teams of laboratories, top research institutions, and key universities that undertake major scientific research tasks in the field of quantum information.

Achievement management: Research achievements emphasize breakthroughs in basic theories, key technologies, and prototype systems. The core intellectual property, technical standard proposals, and open source software produced follow the management system of major special achievements, aiming to promote comprehensive leadership in this field.