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Quantum Computing Inc.

Entanglement Source and Frequency Converter

Pair of telecom-band quantum photonics building blocks: a broadband entangled photon pair source near 1550 nm and a waveguide frequency converter that shifts telecom photons to 760-880 nm.

SoftQuantus illustration in frosted glass. It is not a photograph of the Entanglement Source and Frequency Converter.

Specifications

Entanglement Source: wavelength range / pump
1534.3 nm to 1566.4 nm; 775 nm pump lasersource
Entanglement Source: pair rate / CAR
5 million pairs per second per microwatt; CAR ~180source
Entanglement Source: operating temperature
15 C to 55 Csource
Frequency Converter: output wavelength
Sum frequency 760 nm to 880 nmsource
Frequency Converter: efficiency
At least 80 %/W at low input; 20 mm waveguidesource
Frequency Converter: variants
QFC-CC (C-band signal, C-band pump), QFC-OC (O-band signal, C-band pump), QFC-CO (C-band signal, O-band pump)source

Read on the manufacturer’s product page on 14 November 2026. The manufacturer may change a specification; the offer states the configuration.

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