344 citations · 996 across the 26 of their papers we have counts for
27 papers
Accelerating Variational Quantum Algorithms Using Circuit Concurrency
Salonik Resch, Anthony Gutierrez, Joon Suk Huh +5
Variational quantum algorithms (VQAs) provide a promising approach to achieve quantum advantage in the noisy intermediate-scale quantum era. In this era, quantum computers experien…
Analog quantum simulation of non-Condon effects in molecular spectroscopy
Hamza Jnane, Nicolas P. D. Sawaya, Borja Peropadre +3
In this work, we present a linear optical implementation for analog quantum simulation of molecular vibronic spectra, incorporating the non-Condon scattering operation with a quadr…
Multimode Bogoliubov transformation and Husimi's Q-function
Joonsuk Huh
In this paper, we present numerical schemes for evaluating the matrix elements of Gaussian/non-Gaussian operators in the Fock state basis, which are identified as multivariate Herm…
Entangling Bosons through Particle Indistinguishability and Spatial Overlap
Mariana R. Barros, Seungbeom Chin, Tanumoy Pramanik +4
Particle identity and entanglement are two fundamental quantum properties that work as major resources for various quantum information tasks. However, it is still a challenging pro…
Reduced density matrix of nonlocal identical particles
Seungbeom Chin, Joonsuk Huh
We probe the theoretical connection among three different approaches to analyze the entanglement of identical particles, i.e., the first quantization language (1QL), elementary-sym…
Experimental linear optical computing of the matrix permanent
Yosep Kim, Kang-Hee Hong, Joonsuk Huh +1
Linear optical computing (LOC) with thermal light has recently gained attention because the problem is connected to the permanent of a Hermitian positive semidefinite matrix (HPSM)…
Entanglement of Identical Particles and Coherence in the First Quantization Language
Seungbeom Chin, Joonsuk Huh
We suggest a formalism to illustrate the entanglement of identical particles in the first quantization language (1QL). Our 1QL formalism enables one to exploit all the well-establi…
Quantum algorithm for calculating molecular vibronic spectra
Nicolas P. D. Sawaya, Joonsuk Huh
We present a quantum algorithm for calculating the vibronic spectrum of a molecule, a useful but classically hard problem in chemistry. We show several advantages over previous qua…
Partial Distinguishability as a Coherence Resource in Boson Sampling
Seungbeom Chin, Joonsuk Huh
Quantum coherence is a useful resource that is consumed to accomplish several tasks that classical devices are hard to fulfill. Especially, it is considered to be the origin of qua…
Quantum Computing for Molecular Vibronic Spectra and Gaussian Boson Sampling
Seungbeom Chin, Joonsuk Huh
Boson sampling (BS) is a multimode linear optical problem that is expected to be intractable on classical computers. It was recently suggested that molecular vibronic spectroscopy…
Approximating Vibronic Spectroscopy with Imperfect Quantum Optics
William R. Clements, Jelmer J. Renema, Andreas Eckstein +7
We study the impact of experimental imperfections on a recently proposed protocol for performing quantum simulations of vibronic spectroscopy. Specifically, we propose a method for…
Majorization and the time complexity of linear optical networks
Seungbeom Chin, Joonsuk Huh
This work shows that the majorization of photon distributions is related to the runtime of classically simulating multimode passive linear optics, which explains one aspect of the…
Quantum simulation of molecular spectroscopy in trapped-ion device
Yangchao Shen, Joonsuk Huh, Yao Lu +4
Molecules are the most demanding quantum systems to be simulated by quantum computers because of their complexity and the emergent role of quantum nature. The recent theoretical pr…
Quantum Emulation of Molecular Force Fields: A Blueprint for a Superconducting Architecture
Diego G. Olivares, Borja Peropadre, Joonsuk Huh +1
In this work, we propose a flexible architecture of microwave resonators with tunable couplings to perform quantum simulations of problems from the field of molecular chemistry. Th…
Dynamical Casimir Effect for Gaussian Boson Sampling
Borja Peropadre, Joonsuk Huh, Carlos Sabín
We show that the Dynamical Casimir Effect (DCE), realized on two multimode coplanar waveguide resonators, implements a gaussian boson sampler (GBS). The appropriate choice of the m…
Vibronic Boson Sampling: Generalized Gaussian Boson Sampling for Molecular Vibronic Spectra at Finite Temperature
Joonsuk Huh, Man-Hong Yung
Molecular vibroic spectroscopy, where the transitions involve non-trivial Bosonic correlation due to the Duschinsky Rotation, is strongly believed to be in a similar complexity cla…
Generalized concurrence in boson sampling
Seungbeom Chin, Joonsuk Huh
A fundamental question in linear optical quantum computing is to understand the origin of the quantum supremacy in the physical system. It is found that the multimode linear optica…
Microwave Boson Sampling
Borja Peropadre, Gian Giacomo Guerreschi, Joonsuk Huh +1
The first post-classical computation will most probably be performed not on a universal quantum computer, but rather on a dedicated quantum hardware. A strong candidate for achievi…
Towards Outperforming Classical Algorithms with Analog Quantum Simulators
Sarah Mostame, Joonsuk Huh, Christoph Kreisbeck +4
With quantum computers being out of reach for now, quantum simulators are the alternative devices for efficient and more exact simulation of problems that are challenging on conven…
Boson Sampling for Molecular Vibronic Spectra
Joonsuk Huh, Gian Giacomo Guerreschi, Borja Peropadre +2
Quantum computers are expected to be more efficient in performing certain computations than any classical machine. Unfortunately, the technological challenges associated with build…
Linear-algebraic bath transformation for simulating complex open quantum systems
Joonsuk Huh, Sarah Mostame, Takatoshi Fujita +2
In studying open quantum systems, the environment is often approximated as a collection of non-interacting harmonic oscillators, a configuration also known as the star-bath model.…
Chromatic acclimation and population dynamics of green sulfur bacteria grown with spectrally tailored light
Semion K. Saikin, Yadana Khin, Joonsuk Huh +5
Living organisms have to adjust to their surrounding in order to survive in stressful conditions. We study this mechanism in one of most primitive creatures - photosynthetic green…
A stochastic reorganizational bath model for electronic energy transfer
Takatoshi Fujita, Joonsuk Huh, Alan Aspuru-Guzik
The fluctuations of optical gap induced by the environment play crucial roles in electronic energy transfer dynamics. One of the simplest approaches to incorporate such fluctuation…
Temperature and Carbon Assimilation Regulate the Chlorosome Biogenesis in Green Sulfur Bacteria
Joseph Kuo-Hsiang Tang, Semion K. Saikin, Sai Venkatesh Pingali +5
Green photosynthetic bacteria adjust the structure and functionality of the chlorosome - the light absorbing antenna complex - in response to environmental stress factors. The chlo…