Superconducting qubits
Quantum processors today are built from fixed aluminium junctions. Graphene makes the junction itself tunable — turning a fabricated constant into a control knob.
The opportunity
Gate-tunable qubits allow frequency control without added flux circuitry and its noise budget.
Our approach
Graphene Josephson junctions in van der Waals stacks, coupled to superconducting circuits.
Where it goes
Quantum computing research hardware and national quantum-technology programmes.
The device is a graphene weak link between superconducting contacts, encapsulated and gated — read out with standard circuit-QED techniques.
Junction
Graphene weak link between superconducting electrodes carries a supercurrent.
Encapsulation
Hexagonal boron nitride stacking preserves mobility and interface quality.
Tuning
An electrostatic gate sets carrier density, and with it the critical current.
Readout
Coupled to a microwave resonator for dispersive measurement at millikelvin.
Every property here is set during growth and formulation — the performance is the material, not a coating on top of it.
Sampling, qualification and pilot programmes run from our Hyderabad centre.
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