Shortcuts to adiabaticity: Concepts, methods, and applications
Shortcuts to adiabaticity (STA) are fast routes to the final results of slow, adiabatic changes
of the controlling parameters of a system. The shortcuts are designed by a set of analytical …
of the controlling parameters of a system. The shortcuts are designed by a set of analytical …
Quantum speed limits: from Heisenberg's uncertainty principle to optimal quantum control
One of the most widely known building blocks of modern physics is Heisenberg's
indeterminacy principle. Among the different statements of this fundamental property of the …
indeterminacy principle. Among the different statements of this fundamental property of the …
Trade-off between speed and cost in shortcuts to adiabaticity
Achieving effectively adiabatic dynamics is a ubiquitous goal in almost all areas of quantum
physics. Here, we study the speed with which a quantum system can be driven when …
physics. Here, we study the speed with which a quantum system can be driven when …
Fast topological pumps via quantum metric engineering on photonic chips
Topological pumps have garnered substantial attention in physics. However, the
requirement for slow evolution speed to satisfy adiabaticity greatly restricts their application …
requirement for slow evolution speed to satisfy adiabaticity greatly restricts their application …
Few-body Bose gases in low dimensions—A laboratory for quantum dynamics
Cold atomic gases have become a paradigmatic system for exploring fundamental physics,
which at the same time allows for applications in quantum technologies. The accelerating …
which at the same time allows for applications in quantum technologies. The accelerating …
Extremely broadband, on-chip optical nonreciprocity enabled by mimicking nonlinear anti-adiabatic quantum jumps near exceptional points
Time-asymmetric state-evolution properties while encircling an exceptional point are
presently of great interest in search of new principles for controlling atomic and optical …
presently of great interest in search of new principles for controlling atomic and optical …
Unitary quantum perceptron as efficient universal approximator (a)
We demonstrate that it is possible to implement a quantum perceptron with a sigmoid
activation function as an efficient, reversible many-body unitary operation. When inserted in …
activation function as an efficient, reversible many-body unitary operation. When inserted in …
A shortcut tour of quantum control methods for modern quantum technologies
Quantum control methods, like rapid adiabatic passage, stimulated Raman adiabatic
passage, shortcuts to adiabaticity and optimal control, have become an integral part of …
passage, shortcuts to adiabaticity and optimal control, have become an integral part of …
High-performance polarization splitter-rotator based on lithium niobate-on-insulator platform
H Luo, Z Chen, H Li, L Chen, Y Han… - IEEE Photonics …, 2021 - ieeexplore.ieee.org
We propose and experimentally demonstrate a high-performance polarization splitter-rotator
based on the lithium niobate-on-insulator platform, consisting of an adiabatic taper, an …
based on the lithium niobate-on-insulator platform, consisting of an adiabatic taper, an …
Low-loss c+ l+ s-band 2× 2 thermo-optic mach-zehnder switches with compact fast quasi-adiabatic couplers
L Song, L Lyu, X Jiao, C Gao, W Liu… - Journal of Lightwave …, 2024 - ieeexplore.ieee.org
Large-scale photonic switches are essential components for photonic circuits for classical
and quantum applications. To develop high-performance large-scale photonic switches, we …
and quantum applications. To develop high-performance large-scale photonic switches, we …