354 citations · 706 across the 17 of their papers we have counts for
17 papers
Signatures of valley drift in the diversified band dispersions of bright, gray, and dark excitons in MoS2 monolayers under uni-axial strains
Ching-Hung Shih, Guan-Hao Peng, Ping-Yuan Lo +4
We present a comprehensive theoretical investigation of the strain-modulated excitonic properties of uni-axially strained transition-metal dichalcogenide monolayers (TMD-MLs) by so…
Efficient light upconversion via resonant exciton-exciton annihilation of dark excitons in few-layer transition metal dichalcogenides
Yi-Hsun Chen, Ping-Yuan Lo, Kyle W. Boschen +15
In this work, we report a pronounced light upconversion in few-layer transition metal dichalcogenides. Our joint theory-experiment study attributes the upconversion photoluminescen…
Unveiling the nonclassicality within quasi-distribution representations through deep learning
Hong-Bin Chen, Cheng-Hua Liu, Kuan-Lun Lai +4
To unequivocally distinguish genuine quantumness from classicality, a widely adopted approach focuses on the negative values of a quasi-distribution representation as compelling ev…
The key role of non-local screening in the environment-insensitive exciton fine structures of transition-metal dichalcogenide monolayers
Wei-Hua Li, Jhen-Dong Lin, Ping-Yuan Lo +4
In this work, we present a comprehensive theoretical and computational investigation of exciton fine structures of WSe-monolayers, one of the best known two-dimensional (2D) tr…
Precession-induced nonclassicality of the free induction decay of NV centers by a dynamical polarized nuclear spin bath
Mu-Che Lin, Ping-Yuan Lo, Franco Nori +1
The ongoing exploration of the ambiguous boundary between the quantum and the classical worlds has spurred substantial developments in quantum science and technology. Recently, the…
Twisted-light-induced exciton wave packets in transition-metal dichalcogenide monolayers
Guan-Hao Peng, Oscar Javier Gomez Sanchez, Wei-Hua Li +2
We present a comprehensive theoretical investigation of the photo-generated excitons in transition-metal dichalcogenide monolayers (TMD-ML's) by Laguerre-Gaussian beams, a celebrat…
Inherently high valley polarizations of momentum-forbidden dark excitons in transition-metal dichalcogenide monolayers
Ping-Yuan Lo, Guan-Hao Peng, Wei-Hua Li +2
High degree of valley polarization of optically active excitons in transition-metal dichalcogenide monolayers (TMD-MLs) is vital in valley-based photonic applications but known to…
Symmetry governed valley-pseudospin textures of the full-zone excitonic bands of transition-metal dichalcogenide monolayers
Ping-Yuan Lo, Guan-Hao Peng, Wei-Hua Li +2
Preserving a high degree of valley polarization of excitons in photo-excited transition-metal dichalcogenide monolayers (TMD-MLs) is desirable for the valley-based photonic applica…
Quantifying the nonclassicality of pure dephasing
Hong-Bin Chen, Ping-Yuan Lo, Clemens Gneiting +3
One of the central problems in quantum theory is to characterize, detect, and quantify quantumness in terms of classical strategies. Dephasing processes, caused by non-dissipative…
Distinctive signatures of the spin- and momentum-forbidden dark exciton states in the photo-luminescences of strained WSe monolayers under thermalization
Guan-Hao Peng, Ping-Yuan Lo, Wei-Hua Li +5
With the both spin and valley degrees of freedom, the low-lying excitonic spectra of photo-excited transition-metal dichalcogenide monolayers (TMDC-MLs) are featured by rich fine s…
Simulating Open Quantum Systems with Hamiltonian Ensembles and the Nonclassicality of the Dynamics
Hong-Bin Chen, Clemens Gneiting, Ping-Yuan Lo +2
The incoherent dynamical properties of open quantum systems are generically attributed to an ongoing correlation between the system and its environment. Here, we propose a novel wa…
The short-time and long-time behaviors of non-Markovianity measure using two-time correlation functions in open quantum systems
Md. Manirul Ali, Ping-Yuan Lo, Matisse Wei-Yuan Tu +1
We investigate non-Markovianity measure using two-time correlation functions for open quantum systems. We define non-Markovianity measure as the difference between the exact two-ti…
Exact decoherence dynamics of noise
Md. Manirul Ali, Ping-Yuan Lo, Wei-Min Zhang
In this paper, we investigate the exact decoherence dynamics of a superconducting resonator coupled to an electromagnetic reservoir characterized by the noise at finite tempe…
Reply to the Comment on "General Non-Markovian Dynamics of Open Quantum System"
Wei-Min Zhang, Ping-Yuan Lo, Heng-Na Xiong +2
This is the reply to the 2nd version of the comment, [arXiv.1312.5286v2], by McCutcheon {\it et al.} on our paper [PRL 109, 170402 (2012)]. Our letter presents three examples. For…
Breakdown of Bose-Einstein distribution in photonic crystals
Ping-Yuan Lo, Heng-Na Xiong, Wei-Min Zhang
In the last two decades, considerable advances have been made in the investigation of nano-photonics in photonic crystals. Previous theoretical investigations of photon dynamics we…
Non-Markovian Dynamics Impact on the Foundations of Statistical Mechanics
Heng-Na Xiong, Ping-Yuan Lo, Wei-Min Zhang +2
The foundations of statistical mechanics, namely how equilibrium hypothesis emerges microscopically from quantum theory, is explored through investigating the environment-induced q…
General non-Markovian dynamics of open quantum systems
Wei-Min Zhang, Ping-Yuan Lo, Heng-Na Xiong +2
We present a general theory of non-Markovian dynamics for open quantum systems. We explore the non-Markovian dynamics by connecting the exact master equations with the non-equilibi…