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Broadband Polarization-Entangled Photon Source

This fiber-based device is a compact, robust, and alignment-free source of broadband polarization-entangled photon pairs. Based on periodically-poled silica fiber (PPSF) technology, it features turn-key, room-temperature operation, and needs little maintenance.

The all-fiber design makes it environmentally stable for challenging applications such as space-based instruments. It generates high-quality polarization-entangled photon pairs at telecom wavelengths with more than 80 nm of bandwidth.

This ideal entanglement source has myriad applications in quantum information processing, quantum sensing, and WDM-based quantum key distribution networks.

Features

  • High-quality polarization and frequency entanglement
  • Broad bandwidth covering C- and L- bands
  • High fidelity and excellent stability
  • Turn-key and room-temperature operation
  • Low power consumption
  • Compact and light weight platform
  • Rugged, alignment free, all fiber design

Applications

  • Quantum imaging
  • Quantum metrology
  • Quantum key distribution networks
  • Quantum computing and information processing

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