Gregory S. MacCabe
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View article: Preserving Phase Coherence and Linearity in Cat Qubits with Exponential Bit-Flip Suppression
Preserving Phase Coherence and Linearity in Cat Qubits with Exponential Bit-Flip Suppression Open
Cat qubits, a type of bosonic qubit encoded in a harmonic oscillator, can exhibit an exponential noise bias against bit-flip errors with increasing mean photon number. Here, we focus on cat qubits stabilized by two-photon dissipation, wher…
View article: Hardware-efficient quantum error correction via concatenated bosonic qubits
Hardware-efficient quantum error correction via concatenated bosonic qubits Open
View article: Preserving phase coherence and linearity in cat qubits with exponential bit-flip suppression
Preserving phase coherence and linearity in cat qubits with exponential bit-flip suppression Open
Cat qubits, a type of bosonic qubit encoded in a harmonic oscillator, can exhibit an exponential noise bias against bit-flip errors with increasing mean photon number. Here, we focus on cat qubits stabilized by two-photon dissipation, wher…
View article: Hardware-efficient quantum error correction via concatenated bosonic qubits
Hardware-efficient quantum error correction via concatenated bosonic qubits Open
In order to solve problems of practical importance, quantum computers will likely need to incorporate quantum error correction, where a logical qubit is redundantly encoded in many noisy physical qubits. The large physical-qubit overhead t…
View article: Demonstrating a Long-Coherence Dual-Rail Erasure Qubit Using Tunable Transmons
Demonstrating a Long-Coherence Dual-Rail Erasure Qubit Using Tunable Transmons Open
Quantum error correction with erasure qubits promises significant advantages over standard error correction due to favorable thresholds for erasure errors. To realize this advantage in practice requires a qubit for which nearly all errors …
View article: Data for "Nano-acoustic resonator with ultralong phonon lifetime"
Data for "Nano-acoustic resonator with ultralong phonon lifetime" Open
Data for "Nano-acoustic resonator with ultralong phonon lifetime"
View article: Two-dimensional optomechanical crystal cavity with high quantum cooperativity
Two-dimensional optomechanical crystal cavity with high quantum cooperativity Open
View article: Phononic bandgap nano-acoustic cavity with ultralong phonon lifetime
Phononic bandgap nano-acoustic cavity with ultralong phonon lifetime Open
We present measurements at millikelvin temperatures of the microwave-frequency acoustic properties of a crystalline silicon nanobeam cavity incorporating a phononic bandgap clamping structure for acoustic confinement. Utilizing pulsed lase…
View article: Quasi-2D Optomechanical Crystal Cavity for Quantum Optomechanics
Quasi-2D Optomechanical Crystal Cavity for Quantum Optomechanics Open
We present the design and characterization of a quasi-two-dimensional optomechanical crystal cavity. At a refrigerated temperature of 10 mK, an intrinsic mechanical quality factor of 1.2 billion is observed and an effective quantum coopera…
View article: Phonon counting and intensity interferometry of a nanomechanical resonator
Phonon counting and intensity interferometry of a nanomechanical resonator Open