Quantum Physics

The arm qubit: A superconducting qubit co-designed for coherence and coupling
We present a superconducting qubit which consists of two strongly coupled modes: one for data storage and one for coupling, allowing …
Jeremy B. Kline, Alec Yen, Stanley Chen, Kevin P. O'Brien
Cite DOI arXiv
The arm qubit: A superconducting qubit co-designed for coherence and coupling
High-efficiency, low-loss Floquet-mode traveling wave parametric amplifier
Advancing error-corrected quantum computing and fundamental science necessitates quantum-limited amplifiers with near-ideal quantum …
Jennifer Wang, Kaidong Peng, Gregory D. Cunningham, Andres Lombo, Alec Yen, Daniela Zaidenberg, William D. Oliver, Kevin P. O'Brien
Cite arXiv
Reflection-less filter for superconducting quantum circuits
Protecting superconducting quantum circuits from non-ideal return loss, including out-of-band circulator behavior and enhancing the …
Jessica Kedziora, Eric Q. Bui, Alec Yen, Andres E. Lombo, Kaidong Peng, Terence J. Weir, Kevin P. O'Brien
Cite DOI arXiv
Reflection-less filter for superconducting quantum circuits