研究目的
Design and implement a complete electronics platform for conducting a quantum optics experiment on board a 1U CubeSat to produce polarization-entangled photon pairs.
研究成果
The electronics platform successfully supports the operation of an entangled photon source on a 1U CubeSat, demonstrating the feasibility of space-based quantum communications. The design will be utilized in future missions.
研究不足
The platform's power consumption is limited to less than 1.5 W, and it must operate within the thermal and radiation constraints of space. Future improvements could involve migrating electronic operations into integrated devices for reduced design complexity and improved robustness.
1：Experimental Design and Method Selection:
The platform is designed around the Cypress CY8C3666 programmable-system-on-chip (PSoC3) microcontroller, integrating digital components for signal preparation and conditioning.
2：Sample Selection and Data Sources:
The experiment uses opto-electronic components including a pump laser, single photon detectors, and liquid crystal-based polarization rotators.
3：List of Experimental Equipment and Materials:
Includes the PSoC3 microcontroller, GM-APD (Laser Components SAP500), LCPRs, and a pump laser (Ondax CP-405PLR40).
4：0). Experimental Procedures and Operational Workflow:
4. Experimental Procedures and Operational Workflow: The platform operates autonomously, managing opto-electronic devices, storing experiment data, and communicating with the satellite's on-board computer.
5：Data Analysis Methods:
Data from photo-detection events and house-keeping data are stored and analyzed to monitor the performance of the entangled photon source.
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