Ruby & Emerald EPG Benchtop Polarization Entangled Photon Sources

Ruby & Emerald EPG Benchtop Polarization Entangled Photon Sources OZ Optics
 
  • SW11788
810-1560 nm; Wavelength Accuracy ±2 nm; Pair-generation Rate 1x10 5 -4x10 6 Pairs/s;... more
Product information "Ruby & Emerald EPG Benchtop Polarization Entangled Photon Sources"

810-1560 nm; Wavelength Accuracy ±2 nm; Pair-generation Rate 1x105-4x106 Pairs/s; Coincidence-to-accidental Ratio 100-1000; Two-photon Interference Visibility 95%-99%

OZ Optics’ Ruby and Emerald systems are crystal-based polarization entangled photon sources which integrate the crystals responsible for spontaneous parametric down-conversion into photon pairs inside a self-balanced interferometer engine to generate the wavelength/polarization entanglement in a robust benchtop turn-key device.

Each source comes equipped with a wavelength-stabilized pump laser, a variable optical attenuator, and a temperature controller to fine tune phase matching parameters to realize optimal efficiency. The components are packaged inside a rugged aluminium housing with an on/off power switch and keyed laser control. Signal and Idler photons are available with the pump wavelength removed at separate output ports on the front panel.

Ruby entangled photon sources make use of type-0 down-conversion to generate a broadband biphoton spectrum, with a bandwidth of several tens of nanometers. Emerald entangled photon sources make use of type-2 down-conversion to generate a narrow bandwidth biphoton spectrum, with a bandwidth of a few nanometers. In both cases the interferometer engine ensures photon entanglement regardless of the down-conversion type.

AMS Technologies can assist in selecting the preferred version (Ruby or Emerald) depending on your target wavelength and application – contact the AMS Technologies photonics experts to discuss your requirements.

Key Features:

  • High-quality, Turn-key Polarization Entanglement
  • Custom Wavelength Offerings
  • Rugged, Room Temperature Operation
  • Two (Signal/Idler) Outputs or Single Output
  • Signal/Idler Degeneracy Wavelength: 810 nm to 1560 nm
  • Signal/Idler Degeneracy Wavelength Accuracy: ±2 nm (Typ.)
  • Pair-generation Rate: 1x105 to 4x106 Pairs/s
  • Coincidence-to-accidental Ratio: 100 to 1000
  • Fidelity5 to |Ψ⟩=(|HV⟩+|VH⟩)/√2: 95% to 99%
  • Two-photon Interference Visibility: 95% to 99%
  • Power Supply: 5 V, 8 A (Ruby), 12 V, 6 A (Emerald)
  • Dimensions: 350 x 165 x 125 mm
  • Weight: ~6 kg

Applications: Quantum Information Science; Quantum Metrology; Quantum Key Distribution; Quantum Computing and Information Processing

Product Group: Polarization Entangled Photon Sources
Manufacturer Series Name: Ruby & Emerald EPG Benchtop
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