International Symposium on Ultrafast Phenomena and THz Waves (ISUPTW)

International Symposium on Ultrafast Phenomena and THz Waves (ISUPTW), an international symposium, provides a platform for strengthening the collaboration and exchange among worldwide researchers in academia and industry and promoting the development in Ultrafast and Terahertz science and technology. The biennial symposium, initiated in 2002, has been held in Beijing, Shanghai, Nanjing, Tianjin, Xi'an, Wuhan, Chongqing, Changsha and Chengdu. It brings together scholars, researchers, engineers and students from more than 10 countries and typically hosts about 150-400 participants.


ISUPTW 2023 will be hosted by Nankai University in Qingdao at Sep. 8-11, 2023. Two symposia, THz Science and Technology and Ultrafast phenomena, are being arranged in the symposium with the scope ranging from basic research to application, including the fields of terahertz and ultrafast phenomena. Authors of all the presented contributions may choose to publish a conference paper in the conference Proceedings of IEEE (EI indexed) or submit to the peer-reviewed journal, Journal of Light: Science & Application, Ultrafast Science, High Power Laser.


Qingdao, a beautiful seaside city, is located in the southeast part of Shandong Province. To the east, a short distance across the Yellow Sea, lie Korea and Japan, making Qingdao an important city for international trade.


Welcome to ISUPTW 2023! Welcome to Qingdao!


Conference Chairs General Conference Chairs Symposium Chairs General Secretary

X.-C. Zhang

University of Rochester, USA

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X.-C. Zhang

University of Rochester, USA

Ruixin Li

ShanghaiTech University, China

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Ruixin Li

ShanghaiTech University, China

Tiejun Cui

Southeast University, China

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Tiejun Cui

Southeast University, China

Jingjun Xu

Nankai University, China

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Jingjun Xu

Nankai University, China

Weiwei Liu

Nankai University, China

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Weiwei Liu

Nankai University, China

Zhaojun Liu

Shandong University, China (Local Organization Chair)

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Zhaojun Liu

Shandong University, China (Local Organization Chair)

Xiaojun Wu

Beihang University, China

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Xiaojun Wu

Beihang University, China

Yuxi Fu

Xi'an Institute of Optics and Precision Mechanics, CAS, China

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Yuxi Fu

Xi'an Institute of Optics and Precision Mechanics, CAS, China

Xiao Cheng

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Xiao Cheng

Plenary Talk

X.-C. Zhang

University of Rochester, USA

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Be Water, My Friend

X.-C. Zhang

University of Rochester, USA
Abstract: In general, due to its strong absorption, water in liquid or vapor phase is not considered as a friend in THz community. 15 years ago, we proposed a research topic in the TO DO List during a group meeting: using liquid water as THz source with femtosecond laser pulse excitation. Several of PhD students and postdocs had worked on it but without any results and walked away from doing this experiment. We did not give it up, but it took 10 years frustration without any success. Fortunately, our first demonstration of THz wave generation from water under ultrashot laser excitation came in 2017 and it is soon confirmed by several international groups. As Martial Arts Master Bruce Lee’s most famous quote: “Be water, my friend”. THz aqueous photonics is one of most exciting projects now.

Biography: X.-C. Zhang is Endowed Parker Givens Professor of Optics, at The Institute of Optics, University of Rochester, NY, since March 2012. He was the director of the institute from 2012 to 2017. Prior to joining UR, he pioneered world-leading research in the field of ultrafast laser-based terahertz technology and optical physics at Rensselaer Polytechnic Institute, Troy NY (‘92-‘12). At RPI, he is the Eric Jonsson Professor of Science; Acting Head at the Department of Physics, Applied Physics & Astronomy; Professor of Electrical, Computer & System; and Founding Director of the Center for THz Research. With a BS from Peking University, he earned PhD degree in Physics from Brown University, RI.

Daniel Mittleman

Brown University, USA

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Near-field terahertz networking

Daniel Mittleman

Brown University, USA
Abstract: The recent dramatic growth in interest in the use of high-frequency (millimeter-wave and terahertz) carrier waves for wireless communications has spurred a great deal of research activity. In some cases, such as fixed point-to-point backhaul, systems operating above 100 GHz are already in or nearing commercial deployment. On the other hand, significant research challenges remain for the deployment of local area networks, which must manage factors such as user mobility and line-of-sight blockage of directional beams. Interestingly, such networks may often be able to operate in a regime in which most or all of the broadcast sector is located in the near field of the transmitter. This possibility opens up a host of new ideas for wave front engineering, in particular wave fronts that can only exist in the electromagnetic near field. Here, we discuss a few examples, focusing on the class of wave fronts that can be engineered to curve around an intervening obstacle, delivering data to a user located in the shadow of the obstacle. This near-field effect presents an intriguing alternative to the popular notion of intelligent reflecting surfaces for blockage mitigation.

Biography: Dr. Mittleman received his B.S. in physics from the Massachusetts Institute of Technology in 1988, and his M.S. in 1990 and Ph.D. in 1994, both in physics from the University of California, Berkeley. He then joined AT&T Bell Laboratories as a post-doctoral member of the technical staff, where he built one of the early terahertz time-domain spectrometers for material spectroscopy and imaging. Dr. Mittleman joined the ECE Department at Rice University in September 1996. In 2015, he moved to the School of Engineering at Brown University. His research interests involve the science and technology of terahertz radiation. He is a Fellow of the OSA, the APS, and the IEEE, and a Humboldt Research Award winner, and in 2023 he is a Mercator Fellow of the Deutsche Forschungsgemeinschaft. He has recently completed a three-year term as Chair of the International Society for Infrared Millimeter and Terahertz Waves.

Ya Cheng

East China Normal University, China

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Thin film lithium niobate: enabling an exponential era of Moore’s law for integrated photonics

Ya Cheng

East China Normal University, China
Abstract: The advent of high-performance optical materials and the advancement of micro/nano fabrication technology inaugurate a revolution in integrated photonics. Thin film lithium niobate (TFLN) is recognized as an ideal material platform for photonic integrated circuits (PIC), owing to its wide transparency range, high refractive index, and large electro-optic as well as nonlinear optical coefficients. Recently, we developed the photolithography assisted chemo-mechanical etching (PLACE) technique which enables fabrication of large-scale PICs of ultra-low propagation and coupling losses. We demonstrate a wide range of devices fabricated on the TFLN including meter-long electro-optically tunable waveguide delay line, ultra-low-power reconfigurable cascaded Mach-Zehnder interferometers, ultra-narrow linewidth on-chip micro-lasers, efficient waveguide amplifiers as well as low-cost optical modulators. The high-speed high-resolution laser lithography technology allows to achieve large-scale PICs of low losses which are highly in demand and of great value for emerging applications such as quantum computation, artificial intelligence, optical interconnection, and so on.

Biography: Ya Cheng is a Professor of East China Normal University and Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Science. He is also an Optica Fellow and a Fellow of Institute of Physics, UK. His work focuses on lithium niobate integrated photonics, femtosecond laser fabrication of microfluidics, and strong-field atomic and molecular physics.

Peixiang Lu

Huazhong University of Science and Technology, China

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TBA

Peixiang Lu

Huazhong University of Science and Technology, China
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Biography: TBA

C Chang

Peking University, China

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Terahertz and Infrared light bioeffects and biophysics

C Chang

Peking University, China
Abstract: The recent developments of Terahertz(THz) wave sources, THz bioeffects, biosensoring, and biophysics for neuron information are discussed. The THz sources are especially for tunable THz frequency generation. Ultrafast ps THz switches with low pump fluence based on high photoconductivity of nm film metasurfaces are reported. Pixelated frequency-agile THz metasurfaces for molecular fingerprint sensing are introduced (Small 2022). Calibration-free, high-precision THz sensors for monitoring cancer are reported (PNAS 2022). We found Terahertz wave enhances permeability of the voltage-gated ion channel by selectively resonant interaction with the functional groups of selectivity filter chains based on the vibrational spectrum of THz peak away from water absorption(JACS 2021). We found THz-infrared light have nonthermal, long distance, and reversible modulatory effects on ion channel activity by patch-clamp (PNAS2021) .We found THz light activates cortical neuron without exogeneous gene and trigger neuron signal firing, diagnosed by two photon imaging. THz modulates the brain behavior, and accelerates associative learning (Nature comm 2021). technology inaugurate a revolution in integrated photonics.

Biography: Prof. C. Chang, The National Science Fund for Distinguished Young Scholars, Leading talents of the National ten thousand Talents Plan. Awardee of 2019 China State Science Award(1st), 2020 Ho Leung Ho Lee Award, 2020 Special award of China Youth Science and Technology Award, 2020 Xplore Prize, 2017 IEEE NPSS Early Achievement Award, 2018 Tan Kah Kee Young Scientist Award, AAPPS-DPP Young Scientist Award. He is the founding Chair of IEEE NPSS Xi’an Chapter (1st NPSS Chapter established in China), Senior Editor of IEEE Trans. Plasma Science, Associate Editor of IEEE Trans. Micro. Theor. Tech., IEEE Senior Member, the General Chair of 2018 Asia-Pacific Conference on Plasma and Terahertz Science, and The technical Programm Chair of 2020 47th ICOPS, 2023 APCOPTS, and 2024 51st ICOPS. He is the Chair of China Terahertz Biophysics Committee, Asociate Chair of China Terahertz Committee.

As the 1st and correspondence author, he has published more than 100 peer-reviewed papers, including Nature Comm., 2PNAS, 2 PRL, JACS, 7 APL, AFM, JPCL, and authorized 25 invention patents of China. He gave Plenary and Invited talks by 10 times in international and domestic conference.

Katsumi Midorikawa

RIKEN Center for Advanced Photonics, Japan

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The third generation attosecond light sources

Katsumi Midorikawa

RIKEN Center for Advanced Photonics, Japan
Abstract: Since breaking the barrier of one femtosecond in 2001, attosecond science has progressed rapidly for two decades in conjunction with advances in ultrafast laser technology and understanding of the interaction of strong optical fields with matter. Attosecond pulses allow us to capture the motion of electrons in a variety of materials and are expected to bring about revolutionary progress in basic science fields such as physics, chemistry, and biology. Now the harmonic photon energy is extended to over 300 eV, reaching the water-window spectral region by increasing the driving laser wavelength. However, it results in a significant decrease in conversion efficiency due to the combined effects of the electron wave packet spreading and the increase in the harmonic order. In order to compensate for the low photon flux associated with the low conversion efficiency, attempts to optimize the waveform of the driving laser pulse as well as to increase the driving laser energy and repetition rate have been pursued vigorously. In this talk, I will present our efforts of the last decade to generate intense isolated attosecond pulses.

Biography: Katsumi Midorikawa received Ph. D degree from the Graduate School of Engineering, Keio University, Japan, in 1983. He joined Laser Science Research Group in RIKEN in 1983 and became a Chief Scientist of Laser Technology Laboratory in 1997. He is currently Director of RIKEN Center for Advanced Photonics and a leader of Attosecond Science Research Team. His research interests include ultrafast intense lasers, nonlinear optics and their applications to ultrafast phenomena, laser microprocessing, and multiphoton spectroscopy. He recently focuses his research on attosecond pulse generation and metrology. He is a Fellow of IEEE, Optical Society of America, American Physical Society, Japan Society of Applied Physics, and the Laser Society of Japan. He also received the Changjiang Scholar Award in 2007.

Alexey Kimel

Radboud University, Netherlands

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Ultrafast magnetism of antiferromagnets

Alexey Kimel

Radboud University, Netherlands
Abstract: Antiferromagnets represent a highly-promising playground for the quest for the fastest and the least-dissipative mechanism of data storage. Despite the 60-year long search for thermodynamic conjugates to the antiferromagnetic order parameter, efficient means to control antiferromagnetism are still being pursued. It is the main reason that hampers applications of antiferromagnets and further development of antiferromagnetic spintronics, magnonics and data storage, in particular. The idea of this work is to show that antiferromagnet out-of-equilibrium is practically a different material, where the net magnetization is not zero, ultrafast spin dynamics becomes strongly nonlinear and the principle of superposition fails. With an ambition to employ this strongly non-equilibrium state for ultafast control of antiferromagnetism, we aim to explore ultrafast magnetism of antiferromagnets and the digest aims to provide an overview of our recent results.

Biography: A.V. Kimel is a specialist in the field of ultrafast magnetism whose research ambitions aim to discover and explore novel routes for writing magnetic bits in the fastest and the least dissipative way. He graduated as electronic engineer from St. Petersburg State Electrotechnical University (LETI), St. Petersburg, Russia in 1997. In 2002 he obtained his PhD in condensed matter physics from the Ioffe institute, St. Petersburg Russia. Starting from 2002 he works at Radboud University in Nijmegen. From 2017 is a full professor and head of department “Ultrafast Spectroscopy of Correlated Materials” at Radboud University. He is a winner of several prestigious fellowships, including VENI-VIDI-VICI in the Netherlands, ERC-Starting and ERC-Advanced Grants in Europe and Megagrant in the Russian Federation. He is also Distinguished Scientist under CAS President’s International Fellowship Initiative.
What's New

图片直播链接

Sep.10, 2023

ISUPTW 2023 Website has Opened.

2023-03-14

ISUPTW 2023 Submission has Opened.

2023-04-04

Important Dates

Abstract Submission deadline(Extended)

July 30, 2023

Acceptance Notification Deadline(Extended)

August 15, 2023

Full Paper Submission Deadline

September 15, 2023

Early Bird Registration Deadline

August 30, 2023

Conference Date

September 8-11, 2023

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Organizer

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Sponsors

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