News
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2025
12/2025
Honglie's first-coauthored paper titled “Bidirectional ultrafast control of charge density waves via phase competition” was published on Phys. Rev. Lett. and it is featured as the Cover Article and Editor's Suggestion.
08/2025
Honglie's first-coauthored paper titled “Keldysh tuning of photoluminescence in a lead halide perovskite crystal” was published on PNAS.
07/2025
Honglie's first-coauthored paper titled “Terahertz control of linear and nonlinear Magno-phononics” was published on Nat. Commun.
04/2025
Honglie attended the MRS Spring Meeting and presented an invited talk titled "Terahertz Control of Magno-Phononics in van der Waals Antiferromagnets" with abstract here.
03/2025
Honglie attended the APS Global Physics Summit and presented an invited talk titled "Ultrafast characterization and control of emergent topological materials" with abstract here and a contributed a talk titled "Spontaneous emergence of phonon angular momentum through hybridization with magnons" with abstract here. His coauthored talks titled "Observation of the Keldysh Crossover in Photoluminescence of a Perovskite", "Spatio-temporal Probing of a Photoexcited Jointly Commensurate Charge Density Wave", and "Decoding the Mechanism and Coherent Control of Ultrafast Magnetism" were given by his collaborators.
02/2025
Honglie was invited to present an online talk at Tsinghua University titled “Illuminating quantum materials: novel strategies for optical characterization and control”.
12/2025
Honglie was invited to present an online talk at Shanghai JiaoTong Univeristy titled “New pathways in optical characterization and engineering quantum materials”.
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2024
11/2024
Honglie had an interview with Bold Journey.
09/2024
Honglie attended the XII Ultrafast Dynamics and Ultrafast Bandgap Photonics conference at the University of Arizona and presented an invited talk titled "Terahertz control of magno-phononics in 2D antiferromagnets" with abstract here.
09/2024
Honglie's News and Views paper titled “Visualizing the moiré of moiré” was published on Nat. Mater.
08/2024
Honglie's first-coauthored paper titled “Dynamical decoding of the competition between charge density waves in a kagome superconductor” was published on Nat. Commun.
06/2024
Honglie attended the Gordon Research Conference Multiphoton Processes and presented a poster titled “Terahertz control of linear and nonlinear magno-phononics”.
03/2024
Honglie attended the APS March Meeting 2024 and presented a talk titled “Dynamical decoding of competing charge density waves in a kagome superconductor”. Abstract can be found here. Honglie's coauthored talks titled "Crossover between linear and nonlinear magno-phononics in FePS₃" and "Hubbard exciton fluids in Mott antiferromagnets" were given by his collaborators. Honglie also won the the DMP Post-Doctoral Travel Awards.
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2023
12/2023
Honglie was invited to present an online talk at IOP, China titled “Ultrafast optical control of order parameters in quantum materials” with abstract here.
12/2023
Honglie's first-authored paper titled “A coherent phonon-induced hidden quadrupolar ordered state in Ca₂RuO₄” was published on Nat. Commun.
09/2023
Honglie's first-coauthored paper titled “A Hubbard exciton fluid in a photo-doped antiferromagnetic Mott insulator” was published on Nat. Phys. See News and Views here.
04/2023
Honglie was invited to attend the 2023 Moore Foundation EPiQS Postdoctoral Symposium and presented a poster titled “Evidence for light-induced order decoupling and phase competition in a kagome metal”.
03/2023
Honglie attended the APS March Meeting 2023 and presented a talk titled “Dynamics of antiferromagnetic order in a Mott insulator upon photodoping” with abstract here. Honglie's coauthored talks titled "Correlated spin and charge dynamics during ultrafast demagnetization of Ca₂RuO₄" was given by his collaborator.
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2022
11/2022
Honglie's first-authored paper titled “Light-induced Weyl semiconductor-to-metal transition mediated by Peierls instability” was published on Phys. Rev. B.
10/2022
Honglie attended the Gordon Research Conference Ultrafast Phenomena in Cooperative Systems and presented a poster titled “Signatures of light-induced switch of spin-orbit-coupled quadrupolar order in Ca₂RuO₄”.
09/2022
Honglie arrived at MIT and started to work with Prof. Nuh Gedik.
08/2022
Honglie successfully defended his PhD. Congratulations!
04/2022
Honglie's first-coauthored paper titled “Keldysh space of charge dynamics in a strongly driven Mott insulator” was published on Phys. Rev. Lett.
03/2022
Honglie attended the APS March Meeting 2022 virtually and presented a talk titled “Wavelength-dependent coherent phonon spectroscopy of Ca₂RuO₄” with abstract here. Honglie's coauthored talks titled "Intra-excitonic spectroscopy of a Mott insulator" and "Keldysh space of charge dynamics in a strongly driven Mott insulator" were also given by his collaborators.
03/2022
Honglie accepted the postdoc offer from Prof. Nuh Gedik at Massachusetts Institute of Technology.
01/2022
Honglie won the Sweeney Family Postdoctoral Fellowship from Johns Hopkins University.
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Before 2022
06/2021
Honglie was selected to be a Tombrello Scholar as one of the recipients of the 2021 France A Cordova Graduate Student Fund. More information can be found here.
03/2021
Honglie attended the APS March Meeting 2021 virtually and presented a talk titled “Signatures of ultrafast reversal of excitonic order in Ta₂NiSe₅” with abstract here.
02/2021
Honglie’s research on Ta₂NiSe₅ was reported by Caltech News. More information can be found here.
12/2020
Honglie's first-authored paper titled “Signatures of ultrafast reversal of excitonic order in Ta₂NiSe₅” was published on Phys. Rev. Lett.
11/2020
Honglie's coauthored paper titled “Ultrafast enhancement of ferromagnetic spin exchange induced by ligand-to-metal charge transfer” was published on Phys. Rev. Lett.
03/2020
Honglie was supposed to attend the APS March Meeting 2020 in Denver and presented a talk titled “Dynamics of an order parameter coupled phonon in an excitonic insulator”, but the conference was cancelled due to the COVID-19 pandemic. Abstract can be found here.
06/2019
Honglie passed the PhD oral candidacy exam and became a PhD candidate.
03/2019
Honglie attended APS March Meeting 2019 in Boston and gave a presentation titled “Time-resolved second harmonic generation polarimetry study of elemental tellurium” with abstract here.
03/2019
Honglie attended APS March Meeting 2018 in Los Angeles.
07/2017
Honglie passed the PhD written candidacy exam.
03/2017
Honglie attended APS March Meeting 2017 in New Orleans.
09/2016
Honglie arrived at Caltech and started to work with Prof. David Hsieh.
07/2016
Honglie obtained his B.S. degree in physics with Honors from Peking University. Congratulations!
05/2016
Honglie successfully defended his undergraduate thesis titled “Angle-resolved photoemission spectroscopy study of iron-based superconductors” under the supervision of Prof. Yan Zhang.
04/2016
Honglie accepted the PhD offer from Prof. David Hsieh at California Institute of Technology.
04/2016
Honglie's first-coauthored paper titled “Negative to Positive Crossover of Magnetoresistance in WS₂ nanoflakes” was published on Appl. Phys. Lett.
03/2016
Honglie’s first-coauthored work tilted “Negative to Positive Crossover of Magnetoresistance in WS₂ nanoflakes with Ohmic Contact” was presented by his collaborator at APS March Meeting 2016 in Baltimore with abstract here.
12/2015
Honglie’s coauthored paper titled “Simultaneous emergence of superconductivity,
inter-pocket scattering and nematic fluctuation in potassium-coated FeSe superconductor” was preprinted on arxiv.
10/2015
Honglie gave a poster titled “Electrical and thermal transport measurements of low dimensional materials” at National Conference for Excellent Innovative Talents in Basic Science.
08/2015
Honglie arrived at SLAC National Accelerator Laboratory, Stanford University and started to use angle-resolved photoemission spectroscopy to study FeSe with Prof. Yan Zhang.
07/2015
Honglie arrived at University of Michigan, Ann Arbor and started to conduct summer research focused on thermal transport measurement of InAs/GaSb quantum well in Prof. Lu Li’s group.
07/2014
Honglie joined Prof. Jian Wang’s group and started to investigate the synthesis and magnetotransport properties of transition metal dichalcogenides and topological materials.