From single-crystal SPDC chips to turnkey quantum entangled photon systems — engineered for C & L band quantum photonics.
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.
Specifications →Compact modular version of the QLS platform optimized for integration into larger quantum network testbeds and research systems.
Specifications →Benchtop configuration with extended diagnostics, ideal for university quantum optics labs and R&D environments requiring maximum measurement access.
Specifications →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.
Specifications →Pigtailed SPDC devices with PM fiber coupling on all ports. Factory-aligned for plug-and-play integration into fiber-based quantum setups.
Specifications →Temperature-stabilized SPDC module with integrated PTC controller, fiber pigtails, and compact housing for rack-mount or OEM integration.
Specifications →Precision thermo-electric controller module designed for phase-matching temperature stabilization of PPLN crystals with ±0.01°C accuracy.
Specifications →Intensity and phase modulators designed for visible-band quantum photonics experiments, including 780 nm Rb-line and 850 nm applications.
Specifications →Low-Vπ phase modulator at 775 nm for pump-light manipulation in SPDC sources. Fiber-coupled with integrated bias control.
Specifications →Complete educational and prototyping kit including SPDC module, pump laser, fiber couplers, detector interfaces, and software with LabVIEW and Python drivers.
Specifications →
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.
| Parameter | Specification | Notes |
|---|---|---|
| Signal/Idler Wavelength | 1550 nm | 1570 nm optional |
| Pump Wavelength | 775 nm | CW laser, internally integrated |
| SPDC Type | Collinear Type-II QPM | Orthogonal polarization output |
| Nonlinear Medium | PPLN Ti-diffusion waveguide | Periodically poled LiNbO₃ |
| Heralding Efficiency | ≥ 0.2 | After fiber coupling |
| Bi-photon Bandwidth | ≥ 2 nm | Full width at half maximum |
| Visibility (V) | 0.96 | Hong-Ou-Mandel / polarization |
| Interface | LCD Touchscreen | Real-time monitoring & control |
| Output Fiber | PM & SMF-28 options | FC/APC connectors |
Our engineering team can tailor wavelength, bandwidth, fiber type, and packaging to your specific quantum application.
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