Bulletin of the American Physical Society
APS March Meeting 2022
Volume 67, Number 3
Monday–Friday, March 14–18, 2022; Chicago
Session G00: Poster Session I (2pm- 5pm CST)
2:00 PM,
Tuesday, March 15, 2022
Room: McCormick Place Exhibit Hall F1
Abstract: G00.00186 : Photonic Honeycomb Lattice with circuit QED system by Triple-Leg Stripline Resonator*
Presenter:
Dongmin Kim
(Dept. of Physics, Yonsei University)
Authors:
Kyungsun Moon
(Dept. of Physics, Yonsei University)
Dongmin Kim
(Dept. of Physics, Yonsei University)
Collaboration:
Dongmin Kim and Kyungsun Moon (Dept. of Physics, Yonsei University, Seoul 03722, Korea)
been developed for several decades in various elds including quantum computing. Also, quantum
simulation such as photonic lattice structure by superconducting microwave photons has been improved
as artificial atomic structures. This artificial lattice is helpful for understanding material
without impurity. Now, we introduce to create diverse lattice structures, especially hexagonal
structures, by using superconducting resonator in circuit QED system. A graphene, one of the
representative of hexagonal structure, is well known as Dirac material in which electrons show
massless motion. These honeycomb lattices was hard to implement with typical linear superconducting
resonator. Hence, we theoretically suggest graphene-like optical lattice in circuit QED
system using triple-leg stripline resonator (TSR) which has naturally two-fold degenerated ground
states. Through numerical calculation, we compare energy band of honeycomb photonic lattice
structure by TSR with graphene energy band. We also show difference of edge state of zigzag
graphene nanoribbon (ZGNR) and zigzag TSR photonic nano ribbon (ZTPNR). This edge state
of superconducting photonic lattice is tunable and controlled by superconducting qubits.
*This work was supported by the National Research Foundation of Korea (grant-numbers NRF-2016R1D1A1B01013756 and NRF-2019M3E4A108022713).
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