Quanastra designs and manufactures advanced superconducting nanowire single‑photon detectors (SNSPDs) and the cryogenic systems needed to operate them, enabling high‑efficiency photon counting for quantum research and photonic engineering.
Funding
Funding not disclosed
Founders
Product
Problem
Accurate single‑photon detection at cryogenic temperatures requires specialized superconducting nanowire detectors and supporting cryogenic infrastructure, which are often unavailable as off‑the‑shelf components for quantum research and photonic engineering projects.
Solution
Quanastra supplies advanced superconducting nanowire single‑photon detectors (SNSPDs) together with customizable cryogenic systems, enabling high‑efficiency photon counting for a variety of quantum and industrial applications. The company offers SNSPD chips in seven configurable designs, allowing users to select the optimal geometry, wavelength response, and timing performance for their experiments. Integrated cryogenic platforms provide the necessary ultra‑low temperature environment, while thin‑film and cryoelectronic solutions support optical coupling and wiring needs. By delivering turnkey detector modules and bespoke cryogenic components, Quanastra reduces development time and technical risk for researchers and manufacturers building next‑generation quantum technologies.
Target Audience
Primary customers are quantum optics researchers, photonics engineers, and manufacturers developing quantum communication, sensing, or computing hardware that require reliable single‑photon detection.
Features
- SNSPD chips in seven configurable formats covering different active areas, fill factors, and spectral sensitivities
- Fully integrated cryogenic packages with temperature control, low‑noise wiring, and optical fiber coupling
- Custom superconducting and optical thin‑film coatings on multiple substrate types for optimized detector performance
- Cryoelectronic components and wiring solutions designed for ultra‑low temperature operation and minimal thermal load
- Modular system architecture that allows easy integration with existing quantum optics setups and measurement electronics