2026-09-29T03:18:50Zhttps://odr.chalmers.se/server/oai/request

oai:odr.chalmers.se:20.500.12380/3114652026-06-24T00:40:15ZPhysicsChemistryMathscom_20.500.12380_19com_20.500.12380_1col_20.500.12380_50

Jesper, Lagerberg Chalmers tekniska högskola / Institutionen för mikroteknologi och nanovetenskap (MC2) Chalmers University of Technology / Department of Microtechnology and Nanoscience (MC2) Johansson, Göran Khanahmadi, Maryam 2026-06-23T12:40:41Z 2026 https://hdl.handle.net/20.500.12380/311465 MCCX60 In this thesis, we introduce a quantum circuit for stabilizing an error-correctable two-mode quantum cat state, known as the pair-cat state. Using Foster decomposition, we derive experimentally feasible circuit parameters that engineer a dominant fifth-order flux nonlinearity, yielding the effective Hamiltonian required for pair-cat state generation. We further present implementations of logical X rotations, show casing the possibility of rotating around the Bloch sphere and encoding quantum information. eng PhysicsChemistryMaths pair-cat, non-Gaussian, quantum, superconducting Toward Stabilization of the Quantum Pair-Cat State on Superconducting Circuits Platform Examensarbete för masterexamen Master's Thesis H Physics (MPPHS), MSc open.access