Pioneer of Quantum Light Source

From Device to Module,
Quantum Photonics
Redefined.

NantQ engineers advanced quantum entangled photon sources and SPDC optical components at C & L wavelengths — powering the next generation of quantum computing, sensing, and secure communication networks.

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Wavelength 1550 nm
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Type-II QPM SPDC

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Quantum Domains Served

Product Portfolio

Quantum Light Sources & Components

From single SPDC chips to fully integrated entangled photon systems, NantQ provides the complete quantum optical toolchain.

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QLS & QEPS Series

Quantum Entangled Photon Light Source Systems

Turnkey systems generating entangled photon pairs at 1550 nm via collinear Type-II QPM SPDC with heralding efficiency ≥ 0.2.

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SPDC-SP / SPDC-PG / SPDC-M

Parametric Down-Conversion Chips & Modules

PPLN Ti-diffusion waveguide chips, pigtailed devices, and temperature-stabilized modules for custom quantum setups.

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IMV / PMV / PMG Series

Phase & Wavelength Modulators

Visible and telecom-band modulators engineered for quantum photonics, including 775 nm phase modulators for pump light control.

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Applications

Enabling the Quantum Future

NantQ photon sources are deployed across the three pillars of quantum technology.

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Quantum Computing

High-purity entangled photon pairs drive photonic quantum processors, boson sampling experiments, and linear optical quantum gates with industry-leading heralding efficiency.

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Quantum Sensing

Correlated photon pairs enable quantum-enhanced imaging, ghost imaging, and metrology at sensitivities beyond the classical shot-noise limit.

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Quantum Networks

Telecom C-band entangled sources integrate directly into fiber infrastructure for quantum key distribution (QKD), entanglement swapping, and long-haul quantum repeaters.

Core Technology

PPLN Waveguide SPDC at Scale

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Type-II QPM SPDC

Collinear quasi-phase-matched spontaneous parametric down-conversion in periodically poled lithium niobate waveguides for deterministic photon-pair generation.

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Ti-Diffusion Waveguides

Titanium-indiffused optical waveguides confine pump and SPDC modes with ultra-low loss, maximizing pair brightness and heralding efficiency.

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C & L Band Operation

Optimized for 1550 nm and 1570 nm telecom windows, ensuring seamless integration with existing fiber-optic infrastructure and standard detectors.

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Touchscreen System Control

Integrated LCD monitoring with real-time spectrum analysis, temperature feedback, and one-touch operating profiles for lab and field deployment.

NantQ Product Overview
Quantum & Photonics Ecosystem

Where NantQ Fits

Our quantum light sources integrate into a growing global ecosystem of space-optical, defense, and communication technologies.

Space Laser Communications

Free-Space Optical Links

The next generation of satellite constellations relies on inter-satellite and satellite-to-ground laser terminals operating at unprecedented data rates. NantQ provides the entangled photon sources that secure these optical backbones with quantum key distribution.

Defense & Security

Quantum-Resilient Networks

Defense and intelligence networks are rapidly adopting directed-energy photonics and optical ISR platforms. NantQ's QKD-ready sources enable quantum-safe communications within classified and tactical networks.

Global Connectivity

Next-Generation Satellite Internet

As broadband mega-constellations scale to tens of thousands of nodes with laser crosslinks, quantum key distribution over optical feeder links becomes essential — powered by entangled photon sources at telecom wavelengths.

Ready to Integrate Quantum Photonics?

Whether you need a single SPDC chip or a fully integrated entangled photon system, our team is ready to configure a solution for your application.

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