96 citations · 419 across the 22 of their papers we have counts for
22 papers
Nonlinear Phase Gates Beyond the Lamb-Dicke Regime
Akram Kasri, Kimin Park, Radim Filip
Nonlinear phase gates are essential to achieve the universality of continuous-variable quantum processing and its applications. We present a deterministic protocol for generating n…
Qubit-parity interference despite unknown interaction phases
Kratveer Singh, Kimin Park, Vojtěch Švarc +5
Quantum interference between interacting systems is fundamental to basic science and quantum technology, but it typically requires precise control of the interaction phases of lase…
Quantum Phase Estimation Beyond the Gaussian Limit
Kimin Park, Tanjung Krisnanda, Yvonne Gao +1
Quantum metrology aims to enhance measurement precision beyond the standard quantum limit (SQL), the benchmark set by classical resources, enabling advances in sensing, imaging, an…
Realization of versatile and effective quantum metrology using a single bosonic mode
Xiaozhou Pan, Tanjung Krisnanda, Andrea Duina +6
Quantum metrology offers the potential to surpass its classical counterpart, pushing the boundaries of measurement precision toward the ultimate Heisenberg limit. This enhanced pre…
Efficient quantum simulation of nonlinear interactions using SNAP and Rabi gates
Kimin Park, Petr Marek, Radim Filip
Quantum simulations provide means to probe challenging problems within controllable quantum systems. However, implementing or simulating deep-strong nonlinear couplings between bos…
Quantum Rabi interferometry of motion and radiation
Kimin Park, Petr Marek, Ulrik L. Andersen +1
The precise determination of a displacement of a mechanical oscillator or a microwave field in a predetermined direction in phase space can be carried out with trapped ions or supe…
Optimal estimation of conjugate shifts in position and momentum by classically correlated probes and measurements
Kimin Park, Changhun Oh, Radim Filip +1
Multi-parameter estimation is necessary for force sensing due to simultaneous and nontrivial small changes of position and momentum. Designing quantum probes that allow simultaneou…
Universal unitary transfer of continuous-variable quantum states into a few qubits
Jacob Hastrup, Kimin Park, Jonatan Bohr Brask +2
We present a protocol for transferring arbitrary continuous-variable quantum states into a few discrete-variable qubits and back. The protocol is deterministic and utilizes only tw…
Slowing quantum decoherence of oscillators by hybrid processing
Kimin Park, Jacob Hastrup, Jonas Schou Neergaard-Nielsen +3
Quantum information encoded into superposition of coherent states is an illustrative representative of practical applications of macroscopic quantum coherence possessing. However,…
Highly accurate Gaussian process tomography with geometrical sets of coherent states
Yong Siah Teo, Kimin Park, Seongwook Shin +2
We propose a practical strategy for choosing sets of input coherent states that are near-optimal for reconstructing single-mode Gaussian quantum processes with output-state heterod…
Unconditional preparation of squeezed vacuum from Rabi interactions
Jacob Hastrup, Kimin Park, Radim Filip +1
Squeezed states of harmonic oscillators are a central resource for continuous-variable quantum sensing, computation and communication. Here we propose a method for the generation o…
Optical estimation of unitary Gaussian processes without phase reference using Fock states
Changhun Oh, Kimin Park, Radim Filip +2
Since a general Gaussian process is phase-sensitive, a stable phase reference is required to take advantage of this feature. When the reference is missing, either due to the volati…
Hybrid Rabi interaction with traveling states of light
Kimin Park, Julien Laurat, Radim Filip
Hybrid interactions between light and two-level systems and their nonlinear nature are crucial components of advanced quantum information processing and quantum networks. Rabi inte…
Measurement-free preparation of grid states
Jacob Hastrup, Kimin Park, Jonatan Bohr Brask +2
Quantum computing potentially offers exponential speed-ups over classical computing for certain tasks. A central, outstanding challenge to making quantum computing practical is to…
Deterministic nonlinear phase gates induced by a single qubit
Kimin Park, Petr Marek, Radim Filip
We propose deterministic realizations of nonlinear phase gates by repeating non-commuting Rabi interactions feasible between a harmonic oscillator and {\em only} a single two-level…
Deterministic nonlinear gates with oscillators mediated by a qubit
Kimin Park, Petr Marek, Radim Filip
Quantum nonlinear operations for harmonic oscillator systems play a key role in the development of analog quantum simulators and computers. Since a variety of strong highly nonline…
Nearly deterministic Bell measurement with multiphoton entanglement for efficient quantum information processing
Seung-Woo Lee, Kimin Park, Timothy C. Ralph +1
We present a detailed analysis of the Bell measurement scheme proposed in [Phys. Rev. Lett. 114, 113603 (2015)] based on a logical qubit using Greenberger-Horne-Zeilinger (GHZ) ent…
Nearly Deterministic Bell Measurement for Multiphoton Qubits and Its Application to Quantum Information Processing
Seung-Woo Lee, Kimin Park, Timothy C. Ralph +1
We propose a Bell measurement scheme by employing a logical qubit in Greenberger-Horne-Zeilinger (GHZ) entanglement with an arbitrary number of photons. Remarkably, the success pro…
Nonlinear potential of quantum oscillator induced by single photons
Kimin Park, Petr Marek, Radim Filip
Experimental investigation of the nonlinear dynamics of a quantum oscillator is a long standing goal of quantum physics. We propose a conditional method for inducing an arbitrary n…
Quantum teleportation between "particle-like" and "field-like" qubits using hybrid entanglement under decoherence effects
Kimin Park, Seung-Woo Lee, Hyunseok Jeong
We study quantum teleportation between two different types of optical qubits, one of which is "particle-like" and the other "field-like," via hybrid entangled states under the effe…
Quantum metrology for non-linear phase shifts with entangled coherent states
Jaewoo Joo, Kimin Park, Hyunseok Jeong +3
We investigate the phase enhancement of quantum states subject to non-linear phase shifts. The optimal phase estimation of even entangled coherent states (ECSs) is shown to be bett…
Entangled coherent states versus entangled photon pairs for practical quantum information processing
Kimin Park, Hyunseok Jeong
We compare effects of decoherence and detection inefficiency on entangled coherent states (ECSs) and entangled photon pairs (EPPs), both of which are known to be particularly usefu…