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QCage

QCage

  • Variants QCage.24, QCage.64
  • Qubit Capacity Up to 30
  • Frequency Range Up to 18 GHz
  • Enclosure EMC-tight
  • Shielding Optional mu-metal
  • Mounting Puck or fridge

QCage is Quantum Machines’ cryogenic microwave chip carrier and sample holder for resonator-based quantum devices, packaging the chip in a low-loss cavity for minimal decoherence.

QCage.24 fits most sample loader pucks or mounts directly into a fridge, carrying 24 embedded coplanar transmission lines for up to 10 qubits with resonance-free transmission to 18 GHz. QCage.64 scales that same low-loss design to 64 transmission lines and up to 30 qubits. Both variants sit inside an EMC-tight superconducting enclosure with an internal flux biasing magnet, and both are available pre-integrated into Bluefors cryostat systems.

Overview

QCage is Quantum Machines’ cryogenic microwave chip carrier for resonator-based quantum devices, available in a compact QCage.24 and an upscaled QCage.64 for larger processors. Both enclose the chip in a low-loss cavity with embedded coplanar transmission lines, keeping resonance-free signal transmission and minimal decoherence at the chip level.

Specifications
  • QCage.24: 24 embedded transmission lines, supports up to 10 qubits, up to 18 GHz
  • QCage.64: 64 embedded transmission lines, supports up to 30 qubits, up to 8 GHz
  • EMC-tight superconducting enclosure on both variants
  • Internal flux biasing magnet for precise qubit control
  • QCage.24 mounting: puck-loader compatible, perpendicular or in-plane configurations
  • Optional QCage Magnetic Shielding with mu-metal outer shield
Additional Information
  • Available pre-integrated through Bluefors' LD and XLDsl cryostat systems
  • Demonstrated resonator Q factors up to 200 million
  • Demonstrated coherence times exceeding 200 microseconds
  • Reduces months of home-built carrier development and calibration work
  • Made by Quantum Machines, available in India exclusively through Globetek
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