#PurcellProtection
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Permanent electric dipoles suppress cavity-mediated qubit decay by displacing oscillator wave functions, achieving 4.3x lifetime improvement. Channel-selective Purcell protection preserves readout capability.

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Suppressing Purcell Decay in Qubits Using Permanent Electric Dipoles
iq.fp2.dev
June 23, 2026 at 10:10 AM
informaq.bsky.social
Novel Π-filter design achieves Purcell-limited relaxation times exceeding 1 ms across 1.5 GHz, enabling simultaneous broadband protection for multiple qubits with reduced hardware complexity through engineered microwave interference.

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Engineered Broadband Purcell Protection Using Shared Π-Filter for Multiplexed Superconducting Qubits
iq.fp2.dev
April 23, 2026 at 1:40 PM