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Science

IBM connects two 120-qubit Nighthawk chips with superconducting cables

The cables enabled cross-chip entanglement, though QuantWare physicist Simon Storz noted performance fell when all four operated simultaneously.

7 Sources, 8d ago, first seen 8d ago

IBM links two quantum chips in key step toward bigger computers
Superconducting cables connect quantum bits on different chips, but improvements are still needed

Science

Proposed waveguide method could raise photon absorption from 54% to 100%

SciTechDaily describes a proposed method to improve photon absorption using specially engineered waveguides, potentially making quantum technologies more efficient.

2 Sources, 13d ago, updated 13d ago

Featured in

IBM connects two 120-qubit Nighthawk chips with superconducting cables

Proposed waveguide method could raise photon absorption from 54% to 100%

Featured in

IBM connects two 120-qubit Nighthawk chips with superconducting cables

Proposed waveguide method could raise photon absorption from 54% to 100%