This product is specifically designed for new engineering education and consists of a cross-integrated combination of experimental modules related to classical communication and quantum communication. It incorporates both the core experiments commonly used in fiber-optic communication and the core quantum key distribution (QKD) experiments essential for quantum secure communication. This solution addresses the issue of isolated disciplines in teaching, where students, after completing their theoretical studies, find it difficult to put their knowledge into practice.

Product Overview

This product is specifically designed for teaching in the new engineering disciplines. It comprises a cross-integrated set of experimental modules covering both classical communication and quantum communication, and incorporates core experiments commonly used in fiber-optic communications as well as key experiments in quantum key distribution (QKD), a cornerstone of quantum secure communications. This product addresses the issue of isolated disciplinary silos in education, where students often find it difficult to put their theoretical knowledge into practice after completing their studies.

The experimental content of this device has been designed with a graded approach. It begins with fiber-optic communication—a common topic in telecommunications—followed by the study of optical components and related experiments. Finally, the curriculum is upgraded to include quantum key distribution experiments, enabling students, through a step-by-step learning process, to independently build simple quantum-secure communication systems. The platform’s integrated design also enhances equipment utilization, allowing students majoring in optoelectronic information, optical engineering, and other related fields to expand their knowledge further while conducting experiments specific to their own disciplines.

Meanwhile, addressing the issues of complex structure, difficult debugging, and high cost associated with traditional quantum devices, we have optimized the optical path for learning quantum key distribution. While maintaining rigorous academic integrity, we employ electronic methods to simulate the optical path. Students focus their learning on building and implementing the optical paths for various quantum key distribution protocols, while simplifying the complex adjustments required for optical components. This approach enables students to grasp the relevant knowledge without being hindered by the difficulties in adjusting equipment, thus ensuring that teachers can complete their instructional content on schedule.

Product Composition

1. Supports QKD protocols: BB84, B92, and E91 protocols

2. Supports device openness and connection testing.

3. The software supports functional modules such as link identification, bit error rate estimation, coding rate estimation, single-step operation, and continuous operation.

4. Complete set of course handouts, instructional videos, system operation manuals, and other supplementary teaching materials for the equipment.

Product Parameters

Serial number	Module	Performance parameters
1	Classic Fiber-Optic Communication Experiment	(1) Enables learning through classic fiber-optic communication experiments; (2) Familiarity with classical optical components;
2	Quantum Key Experiment Series Module	(1) 4 laser simulation modules, 4 polarization beam splitter simulation modules, 2 beam splitter simulation modules, 3 polarization controller simulation modules, 1 entanglement source simulation module, 1 adjustable attenuator simulation module, 2 coincidence counters simulation modules, and 4 single-photon detector simulation modules. (2) Wire connection, USB connection; (3) Supports device openness and connection testing; (4) The software supports functional modules such as link identification, bit error rate estimation, coding rate estimation, single-step operation, and continuous operation.
3	Software module	(1) Experiments can be conducted for random number generation based on beam splitters, as well as experiments for random number generation based on the collapse of measurement outcomes. (2) Supports QKD protocols: BB84, B92, and E91 protocols. (3) Experiments can be conducted on optical path setup, time-delay scanning, preparation and measurement of polarization states, and quantum key distribution.