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- Constellation of satellites for long-range in-space communication → potential inter-collegiate collaboration
Instruments/sensors:
Quantum Payload Instrumentation
- BB84/Decoy-State QKD Source
- Laser Diodes
- Intensity Modulator
- Phase or Polarization Modulator
- Polarization-Maintaining Fiber Components or Bulk Optics
- Bean Expander/Telescope
- Entangled Photon Source (SPDC Source)
- Pump Laser
- Nonlinear Crystal
- Temp Control Module
- Beam-Splitting and Filtering Optics
Optical Link/Acquisition and Tracking Instrumentation
- Optical Terminal
- Primary Aperture/Telescope
- Fine Steering Mirror
- Coarse Pointing mechanism
- Beacon System
- Classical Beacon Laser
- Photodiode or Position-Sensitive Detector
- Dedicated Star Tracker
ADCS Sensors
- Required ADCS Sensors
- Star Trackers
- Sun Sensors
- Magnetometer
- IMU
- GPS Receiver
- Required Actuators
- Reaction Wheels
- Magnetorquers
Detector Instrumentation
- Single-Photon Detectors
- Si-APDs
- SNSPDs
- Filtering and Optics
- Narrow Board Optical Filters
- Polarization Analyzers
- Half-Wave Plates or Polarization Beam Splitters
- Fiber Coupling Optics
Timing and Synchronization Instrumentation
- Onboard Timing Components
- Chip-Scale Atomic Clock
- High-Precision Time-Tagging Electronics
- GPS Disciplined Oscillator
- Classical Communication Systems
- S-Band or X-Band Transmitter
- UHF/VHF
Thermal Monitoring and Control Sensors
- High-Accuracy Thermistors
- Temperature Sensors on Laser and Crystal
- Radiators + Heaters
Spacecraft Bus Sensors
- Voltage/Current Sensors
- Battery Temperature and Pressure Sensors
- Solar Panel Telemetry Sensors
- Internal Environmental Sensors
Ground Segment Instrumentation
- Ground Optical Terminal
- Large Aperture Telescope
- Adaptive Optics
- Single-Photon Detectors
- Beacon Lasers
- High-Speed Classical Downlink Receiver
- Timing Equipment
- GPSDO
- Rubidium or Cesium Atomic Clock
- High-Speed Time-Taggers
Cost Analysis:
Quantum Payload ($200k - $650k)
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