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quant-ph2026
A simple method to fabricate Josephson junctions
Imran Mahboob, Satoshi Sasaki, Takaaki Takenaka
A minimal method to fabricate Al/AlO/Al Josephson junctions (JJs) using photolithography and argon etching, before metallization and oxidation, is demonstrated. JJs with areas…
quant-ph2025
Three-Dimensional Niobium Coaxial Cavity with second Lifetime
Takaaki Takenaka, Takayuki Kubo, Imran Mahboob +4
We report on the internal quality factor of a three-dimensional niobium quarter-wave coaxial cavity, with mid-temperature annealing, exhibiting at…
quant-ph2022★ 4 cited
Effect of Decoherence for Gate Operations on a Superconducting Bosonic Qubit
Kosuke Mizuno, Takaaki Takenaka, Imran Mahboob +1
High-quality-factor 3D cavities in superconducting circuits are ideal candidates for bosonic logical qubits as their fidelity is limited only by the low photon loss rate. However,…