Group leader · PI
Ultrafast and free-electron quantum optics, time-varying and topological photonics
Compiled from authorship records collected on this website, including collaborative papers and arXiv preprints, without distinguishing author order.
Physical Review Letters 137, 143601 (2026) · Published · 2026.09.29
Songyu Zhu, Yushan Zeng, Chenhao Pan, Yiming Pan, Ye Tian, Ruxin Li
Programming light with a freely propagating electron wavepacket: quadratic phase evolution offers a route to tunable coherent radiation and nonclassical light.
Laser & Photonics Reviews, e71754 (2026) · 2026.08
Changying Li, Li Zhang, Xin-Ning Tian, Dingguo Zheng, Weishi Wan, Xiaoping Liu, Yiming Pan
Can recycling light help electrons accelerate further? This design explores how recirculating the optical field can extend the acceleration process.
Physical Review Letters 137, 066303 (2026) · 2026.08.04
Danni Chen, Changying Li, Jinze He, Huaiqiang Wang, Yiming Pan
Current group contributors: Jinze He, Danni Chen
Growth and decay can find a rhythm: Bloch oscillations in a k-gap lattice reveal a self-balancing mechanism.
Nature Communications (2026) · 2026.08.03
Yiming Pan, Ruoyu Yin, Yongcheng Ding, Huaiqiang Wang, Daniel Podolsky, Bin Zhang
Can light bind a free electron? This theoretical study explores topological bound states in twisted light fields that keep a travelling electron wavepacket localized.
Laser & Photonics Reviews, e71600 (2026) · 2026.07.24
Yiming Pan, Danni Chen, Xiaoxi Xu, Zhaopin Chen, Huaiqiang Wang
Current group contributors: Danni Chen
Using a momentum gap as an amplification control, this work explores how it can enhance high-harmonic generation in solids.
Physical Review Research 8, 023107 (2026) · 2026.05.01
Liang Zhang, Zhiwei Fan, Yiming Pan
Current group contributors: Liang Zhang
Can an optical wavepacket localize in both space and time? We seek these ‘event solitons’ through the balance of mixed gaps and nonlinearity.
Laser & Photonics Reviews 20(14), e02603 (2026) · 2026.03.14
Liang Zhang, Zirui Zhao, Qiaofei Pan, Chenhao Pan, Qingqing Cheng, Yiming Pan
Current group contributors: Liang Zhang, Zirui Zhao
Providing a topologically protected spacetime location for a wavepacket, then weaving these ‘events’ together to control noise-driven amplification.
Science China Physics, Mechanics & Astronomy 69, 244212 (2026) · 2026.01.20
Zhenyu Jiang, Zhiqiang Wu, Chen Zhang, Zhuochao Tie, Xiaohang Sheng, Shaodong Zhou, Qunchao Ma, Ziyan Zhang, Jingkun Zhuang, Jijin Wang, Yan Liang, Yiming Pan, Songlin Zhuang, Qingqing Cheng
A single spacetime crystal can send different modes in different directions, making the propagation angle a tunable information channel.
Light: Science & Applications 15, 70 (2026) · 2026.01.14
Ling Tong, Fei Xie, Xiaochen Gao, Yuxuan Chen, Shaozheng Ji, Bin Zhang, Jing Li, Jiangteng Guo, Fang Liu, Cuntao Gao, Min Feng, Wei Wu, Shibin Deng, Yiming Pan, Yunquan Liu, Jingjun Xu, Mengxin Ren, Xuewen Fu
Ultrafast electrons capture a nanoscale, femtosecond ‘slow-motion movie’ of near-field light, revealing how optical fields evolve and decay on a chiral metasurface.
Pan, C., Song, X., Cao, Y., Xiong, L., Lan, X., Wang, S., ... & Pan, Y*. Superluminal spacetime boundary, time reflection and quantum light generation from relativistic plasma mirrors. Laser & Photonics Reviews, e01986(2025).
How do time reflection and photon-pair generation emerge when a strong laser drives a plasma mirror? This theoretical work seeks answers at spacetime boundaries.
Ding, Y., Pan, Y., & Chen, X. (2025). Superoscillating quantum control induced by sequential selections. Physical Review A, 111(5), 052613.
Kiselev, Egor I., and Yiming Pan. Symmetry Breaking and Spatiotemporal Pattern Formation in Photonic Time Crystals. Physical Review A 111, 053509 (2025)
Zhang, Bin, Reuven Ianconescu, Aharon Friedman, Jacob Scheuer, Mikhail Tokman, Yiming Pan*, and Avraham Gover*. Shape-Dependence of Spontaneous Photon Emission by Quantum Electron Wavepackets and the QED Origin of Bunched Electron Beam Superradiance. Rep. Prog. Phys. 88 017601(2025).
Pan, Y.*, Zhang, B.*, & Podolsky, D. Synthetic dimensions using ultrafast free electrons. ACS Photonics 2024, 11, 9, 3563–3569
The sidebands of an electron spectrum can form a synthetic corridor: ultrafast electrons oscillate, spread and reconstruct their patterns within it.
Kiselev, Egor I., Pan, Yiming, and Lindner, Netanel. Light-controlled THz plasmonic time varying media: momentum gaps, entangled plasmon pairs, and pulse induced time reversal. Physical Review B 110, L241411 (2024)
Hu, P., Wu, H.*, Xie, P., Zhuo, Y., Sun, W., Sheng, Z., & Pan, Y. *. Hearing dynamical Floquet-Thouless pump of sound pulse. Phys. Rev. B (2024) 110, 085137.
Yiming Pan*, and Ruoyu Yin. Constructing Berry-Maxwell equations with Lorentz invariance and Gauss' law of Weyl monopoles in 4D energy-momentum space. Phys. Rev. B (2024) 110, 075139.
Eldar, Maor, Zhaopin Chen, Yiming Pan, and Michael Krüger. Self-trapping of slow electrons in the energy domain. Physical Review Letters 132, 3 (2024): 035001.
Zhaopin Chen, Bin Zhang, Yiming Pan*, Michael Krueger, Quantum wavefunction reconstruction by free-electron spectral shearing interferometry. Science Advances 9, eadg8516(2023)
Yiming Pan†, Moshe-Ishay Cohen†, Mordechai Segev, Superluminal k-gap solitons in photonic time-crystals with Kerr nonlinearity. Physical Review Letters 130, 233801 (2023)
In a time-periodic medium, nonlinearity enables amplified light to form k-gap solitons. Apparent superluminal evolution must still respect causality.
Pan, Y.*, Chen, Z.*, Wang, B., & Poem, E. Photonic π-mode anomaly in (1+1) dimensional periodically driven topological/normal insulator heterostructures. Physical Review Letters 130, 223403 (2023).
Pan, Y. *, Cohen, E.*, et al. Demonstration of weak measurement, projective measurement, and quantum-to-classical transitions in electron-photon interactions. Light Science & Applications 12:267 (2023).
Mei, Xuehan, RongweiZha, Yiming Pan, Shaoyi Wang, Bin Sun, Cheng Lei, ChangjunKe, Zongqing Zhao, and Du Wang. Dielectric Laser Accelerators Driven by Ultrashort, Ultraintense Long-Wave Infrared Lasers. Ultrafast Science 3 (2023): 0050.
Cohen, Moshe-Ishay, Yiming Pan, Ohad Segal, and Mordechai Segev. Annihilation of k-gap Solitons in Photonic Time Crystals. In CLEO: Fundamental Science, pp. FTu3D-6. Optica Publishing Group, 2023.
Wang, B., Quan, J., Han, J., Shen, X.*, Wu, H.*, and Pan, Y.*, Observation of Photonic Topological Floquet time crystals. Laser & Photon. Rev, 10.1002/lpor.202100469 (2022).
Qingqing Cheng, Huaiqiang Wang, Yongguan Ke, Tao Chen, Ye Yu, Yuri S. Kivshar*, Chaohong Lee*, and Yiming Pan*, Asymmetric topological pumping in nonparaxial photonics. Nature Communications. https://doi.org/10.1038/s41467-021-27773-9 (2022).
Ang Li, Yiming Pan, Philip Dienstbier, and Peter Hommelhoff, Quantum interference visibility spectroscopy in two-color photoemission from tungsten needle tips. Phys. Rev. Lett. 126, 137403 (2021).
Yiming Pan†*, and Avraham Gover. Beyond Fermi's Golden Rule in Free-Electron Quantum Electrodynamics: Acceleration/Radiation Correspondence. New Journal of Physics 23 (6), 063070 (2021).
Yiming Pan†*, Bing Wang, Time-crystalline phases and period-doubling oscillations in one-dimensional Floquet topological insulators. Physical Review Research, 2(4), 043239 (2020).
Pan, Y.†*, Zhang, J., Cohen, E., Wu, C.W., Chen, P.X. and Davidson, N., Weak-to-strong transition of quantum measurement in a trapped-ion system. Nature Physics, 16(12), 1206-1210 (2020).
Chen, T., Yu, Y., Song, Y., Yu, D., Ye, H., Xie, J., Shen, X., Pan, Y. and Cheng, Q., 2019. Distinguishing the topological zero mode and Tamm mode in a microwave waveguide array. Annalen der Physik, 531(12), p.1900347.
Ying Yang, Yiming Pan*. Engineering zero modes, Fano resonance and Tamm surface states of 'bound states in the gapped continuum'. Optics Express 27 (23), 32900-32911 (2019).
Q. Q. Cheng†, Yiming Pan†*, Huaiqiang Wang†, et al. Observation of anomalous π modes in photonic Floquet engineering. PhysRevLett.122.173901 (2019).
Yiming Pan†*, Bin Zhang†, and Avraham Gover. Anomalous Photon-induced Near-field Electron Microscopy. PhysRevLett.122.183204 (2019).
Yiming Pan†*, and Avraham Gover. Spontaneous and Stimulated Emissions of Quantum Free-Electron Wavepackets - QED Analysis. PhysRevA.99.052107 (2019).
Yiming Pan†*, and Avraham Gover. Spontaneous and Stimulated Radiative emission of Modulated Free-Electron Quantum wavepackets-Semiclassical Analysis. Journal of Physics Communications 2.11 (2018): 115026.
Cheng, Q., Chen, T., Yu, D., ... & Pan, Y*. Flexibly designed spoof surface plasmon waveguide array for topological zero-mode realization. Optics Express, 26(24), 31636-31647 (2018).
Gover, Avraham, Yiming Pan*. Dimension-dependent stimulated radiative interaction of a single electron quantum wavepacket. Physics Letters A 382.23 (2018): 1550-1555.
Xing-Chen Pan, Yiming Pan, et al. Carrier balance and linear magnetoresistance in type-II Weyl semimetal WTe 2. Frontiers of Physics 12, 3 (2017): 127203.
H.Q.Wang, Lubing Shao, Yiming Pan, et al. Flux-driven quantum phase transitions in two-leg Kitaev ladder systems. Physics Letters A 380, 46 (2016): 3936-3941.
Erfu Liu, Mingsheng Long, Junwen Zeng, Wei Luo, Yaojia Wang, Yiming Pan, et al. High responsively phototransistors based on few-layer ReS2 for weak signal detection. Advanced Functional Materials 26, 12 (2016): 1938-1944.
Wang, Yaojia, Erfu Liu, Huimei Liu, Yiming Pan, et al. Gate-tunable negative longitudinal magnetoresistance in the predicted type-II Weyl semimetal WTe 2. Nature Communications 7 (2016): 13142.
Zhihao Yu†, Zhun-Yong Ong†, Yiming Pan†, et al. Realization of Room-Temperature Phonon-limited Carrier Transport in Monolayer MoS2 by Dielectric and Carrier Screening. Advanced Materials 28, 3 (2016): 547-552.
Q. Q. Cheng†, Yiming Pan†, et al. Topologically protected interface mode in plasmonic waveguide arrays. Laser & Photon. Rev. doi: 10.1002/lpor.201400462(2015)
Daowei He†, Yiming Pan†, et al. Tunable Van der Waals heterojunctions with hybrid organic/inorganic semiconductors. Applied Physics Letters, 107(18), p.183103 (2015)
Miao Wang, Xiaojuan Lian, Yiming Pan, et al. A selector device based on graphene-oxide heterostructures for memristercrossbar application. Appl. Phys. A 120:403-407 (2015)
Yang Cui†, Run Xin†, Zhihao Yu†, Yiming Pan, et al. High-Performance Monolayer WS2 Field-effect Transistors on High-κDielectrics. Adv. Mater. doi:10.1002/adma.201502222 (2015)
Zhihao Yu†, Yiming Pan†, et al. Towards Intrinsic Charge Transport in Monolayer Molybdenum Disulfide by Defect and Interface Engineering. Nat. Commun. 5, 5290 (2014)
Min Qian, Yiming Pan, et al. Tunable, Ultralow-Power Switching in Memristive Devices Enabled by a Heterogeneous Graphene–Oxide Interface. Adv. Mater. 26, 3275–3281 (2014)
Xiaxin Ding, Yiming Pan, et al. Strong and nonmonotonic temperature dependence of Hall coefficient in superconducting KxFe2−ySe2 single crystals. Phys. Rev. B 89, 224515 (2014)
Enming Shang, Yiming Pan, et al. Detection of Majorana fermions in an Aharonov-Bohm interferometer. Chinese Phys. B 23, 057201 (2014)
H.Q.Wang, R.Wang, Yiming Pan, et al. Entanglement spectrum of topological Weyl semimetal. EPL 107, 40007 (2014)
Yiming Pan, Guowei Chen. Generation and manipulation of multipole and vortex events in (1+1)-dimensional spacetime. arXiv:2608.00618 (2026). arXiv ↗
Current group contributors: Guowei Chen
Can light form localized events with internal structure in nonlinear photonic spacetime crystals? This theoretical study explores the generation, control and stability of multipole and vortex events.
Jiaxiang Sun, Guowei Chen, Liang Zhang, Yiming Pan. Time domain Stokes mechanism of pair correlated k gap solitons in nonlinear photonic time crystal slabs. arXiv:2607.07340 (2026). arXiv ↗
Current group contributors: Liang Zhang, Guowei Chen
Where do correlated photon pairs come from? This theoretical work connects temporal boundaries with gap amplification to explore photon correlations after a k-gap soliton exits the medium.
Liang Zhang, Chenhao Pan, Yiming Pan. Breathing k-Gap Events and Instability on Instability in Nonlinear Photonic Time Crystals. arXiv:2607.06077 (2026). arXiv ↗
Current group contributors: Liang Zhang
A breathing event can emerge in an unstable optical field, drawing energy from competing solitons; its rhythm can be tuned by a seed signal.
Liang Zhang, Chenhao Pan, Yiming Pan. Quantization and Biphoton Statistics of k-Gap Solitons in Nonlinear Photonic Time Crystals. arXiv:2606.30508 (2026). arXiv ↗
Current group contributors: Liang Zhang
At the quantum scale, k-gap solitons involve photon pairs, collapse and revival, and nonclassical interference.
Liang Zhang, Chenhao Pan, Jinze He, Danni Chen, Zirui Zhao, Qingqing Cheng, Yiming Pan. Topologically-protected superluminal pair annihilation in photonic time crystals. arXiv:2510.08995 (2025). arXiv ↗
Current group contributors: Liang Zhang, Jinze He, Danni Chen, Zirui Zhao
Tuning the relative phase allows two amplified optical waves to cancel. Their pattern may evolve superluminally without transmitting information faster than light.
Yongcheng Ding, Zirui Zhao, Bin Zhang, Qiaofei Pan, Mikel Sanz, Yiming Pan. Ultrafast Stern-Gerlach and Anomalous Bragg Diffraction Regimes of Low-energy Free Electron Interaction with Light. arXiv:2508.17271 (2025). arXiv ↗
Current group contributors: Zirui Zhao
When slow electrons meet fast optical fields, theory predicts that field gradients and electron dispersion can produce spectral splitting, shifts and unusual diffraction.
Ruoyu Chen, Jun Li, Qiaofei Pan, Dingguo Zheng, Bin Zhang, Ye Tian, Jianqi Li, Huaixin Yang, Yiming Pan. Indirect multiphoton scattering between light and bulk plasmons via ultrafast free electrons. arXiv:2507.18091 (2025). arXiv ↗
Current group contributors: Ruoyu Chen
An electron acts as a messenger between light and bulk plasmons that do not readily couple directly, with their interaction recorded in the electron spectrum.
Geng, Hao, Qiaofei Pan, Jian Kang, and Yiming Pan*. Light-induced Pairing Instability of Ultrafast Electron Beams with Space Charge Interactions. arXiv:2507.00869 (2025). arXiv ↗
Can light bring mutually repelling electrons closer? We explore a light-induced pairing instability, rather than an already-realized electron-pair source.
Zeng, Y., Zhang, B., Cao, K., Liu, X.J. and Pan*, Y., Auger photoemission as a laser-like coherent cathode. arXiv:2405.12133(2024). arXiv ↗
Could an electron source behave somewhat like a laser? This theoretical proposal uses an Auger cycle to examine the conditions for collective coherent emission.
Yiming Pan†, Bin Zhang, and Daniel Podolsky. Low-energy Free-electron Rabi oscillation and its applications. arXiv:2304.12174 (2023). arXiv ↗
Using optical pulses as beam splitters and mirrors for an electron interferometer, this work explores Rabi oscillations of low-energy free electrons in a synthetic energy space.
Yiming Pan. How to measure the canonical commutation relation [x, p]=iℏ in quantum mechanics with weak measurement? arXiv:1702.08518 (2017) arXiv ↗
Yiming Pan, et al. Mass classification and manipulation of zero modes in one-dimensional Dirac systems. arXiv: 1407.3874v1 (2014) arXiv ↗