QLS-1550-TYPE-II-M

Quantum Entangled Photon Light Source System

Flagship integrated system. Collinear Type-II QPM SPDC at 1550 nm with heralding efficiency ≥ 0.2, bi-photon bandwidth ≥ 2 nm, and built-in LCD touchscreen monitoring.

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QEPS-1550-TYPE-II-M

Entangled Photon Source — Module Variant

Compact modular version of the QLS platform optimized for integration into larger quantum network testbeds and research systems.

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QEPS-1550-TYPE-II-B

Entangled Photon Source — Benchtop

Benchtop configuration with extended diagnostics, ideal for university quantum optics labs and R&D environments requiring maximum measurement access.

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SPDC-SP Series

Spontaneous Parametric Down-Conversion Chip

Bare PPLN waveguide chips with Type-II phase matching. Available in standard and custom poling periods for 775 nm pump to 1550 nm signal/idler generation.

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SPDC-PG Series

Parametric Down-Conversion Device

Pigtailed SPDC devices with PM fiber coupling on all ports. Factory-aligned for plug-and-play integration into fiber-based quantum setups.

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SPDC-M Series

Parametric Down-Conversion Module

Temperature-stabilized SPDC module with integrated PTC controller, fiber pigtails, and compact housing for rack-mount or OEM integration.

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PTC Series

Single-Channel Temperature Cycling Chamber

Precision thermo-electric controller module designed for phase-matching temperature stabilization of PPLN crystals with ±0.01°C accuracy.

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IMV & PMV Series

Visible Wavelength Modulators

Intensity and phase modulators designed for visible-band quantum photonics experiments, including 780 nm Rb-line and 850 nm applications.

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PMG-775 Series

Phase Modulator for Quantum Photonics

Low-Vπ phase modulator at 775 nm for pump-light manipulation in SPDC sources. Fiber-coupled with integrated bias control.

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Development Kits

Quantum Entangled Photon Source Dev Kit

Complete educational and prototyping kit including SPDC module, pump laser, fiber couplers, detector interfaces, and software with LabVIEW and Python drivers.

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QLS-1550-TYPE-II-M System

QLS-1550-TYPE-II-M

Quantum Entangled Photon Light Source System

The flagship QLS-1550 system generates high-purity entangled photon pairs at telecom C-band wavelengths via collinear Type-II spontaneous parametric down-conversion in PPLN Ti-diffusion waveguides.

  • Photon pairs generation at 1550 nm
  • Collinear Type-II QPM SPDC
  • Heralding efficiency ≥ 0.2
  • PPLN Ti-diffusion optical waveguide
  • Bi-photon bandwidth ≥ 2 nm
  • LCD monitoring and touchscreen setting
  • 1570 nm variant available
  • Visibility interference V = 0.96
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QLS-1550-TYPE-II-M Parameters

Parameter Specification Notes
Signal/Idler Wavelength1550 nm1570 nm optional
Pump Wavelength775 nmCW laser, internally integrated
SPDC TypeCollinear Type-II QPMOrthogonal polarization output
Nonlinear MediumPPLN Ti-diffusion waveguidePeriodically poled LiNbO₃
Heralding Efficiency≥ 0.2After fiber coupling
Bi-photon Bandwidth≥ 2 nmFull width at half maximum
Visibility (V)0.96Hong-Ou-Mandel / polarization
InterfaceLCD TouchscreenReal-time monitoring & control
Output FiberPM & SMF-28 optionsFC/APC connectors

Need a Custom Configuration?

Our engineering team can tailor wavelength, bandwidth, fiber type, and packaging to your specific quantum application.

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