Workshop Program

Keyword ：

Keyword ：

Terahertz waves are electromagnetic waves in the frequency range of 100GHz to 10THz, positioned between light waves and radio waves, and they possess a variety of distinctive characteristics. Terahertz sensing is expected to find broad applications, including high-resolution sensing of objects' interiors using the 100GHz band and object identification based on object-specific absorption spectra above 500GHz.
In this session, we will invite speakers conducting cutting-edge research on the diverse uses of terahertz technology-including tomography, bioimaging, and remote sensing from space-to present their latest research results.

Keyword ： Terahertz, Bio Imaging, Tomographic Imaging, Remote Sensing,

Keyword ：

In recent years, research and development for next-generation communications such as 5G-Advanced / 6G have been actively pursued. Among the key components, power amplifiers are one of the most important, and extensive studies have been conducted not only on output power and efficiency, but also on load-variation tolerance, implementation technologies, linearity, and related factors.
In this session, we will present talks on a mode-reconfigurable GaN power amplifier for enhanced VSWR resilience, a 7GHz GaN amplifier module using film laminating technology, linearization technique for FR3 GaAs HBT PA using vector-sum phase shifter, and the latest trends in digital pre-distortion technique for GaN power amplifiers.

Keyword ：

Microwave power transfer (MPT) is expected to enable a wide range of applications, from low-power RF energy harvesting to high-power wireless power delivery, and to play an important role in future society. Achieving high overall system efficiency, however, requires continued advances in rectifying devices and rectifier circuit technologies. The technical requirements vary significantly depending on the power level, operating frequency, and system architecture.
This session will discuss the current status and challenges of MPT rectification technologies from device, circuit, and system perspectives, and explore future directions for their development.

Keyword ： Wireless Power Transfer, Rectifier, Diode, FET, Wide Bandgap, Millimeter-Wave

Practical application of quantum computers requires a larger number of Qubits. In future large-scale qubit control systems comprising such as 10,000 or even a million qubits, it is essential to suppress thermal effects and supply stable microwave signals. Furthermore, advances in simulation technology are crucial for the development of superior microwave devices.
This workshop will present the latest technologies and the future prospects of adiabatic superconducting microwave circuits, microwave signal stabilization, and device and circuit simulations for large-scale Qubit control.

Keyword ： Quantum Computer, Qubit Control, Superconducting Microwave Circuit, Microwave Signal Stabilization, Device and Circuit Simulation

Integrated Sensing and Communications (ISAC) has attracted significant attention in recent years as a key technology enabling the secondary utilization of radio spectrum. As the era of 5G-Advanced (5G-A) and 6G approaches, sensing technology is expected to play a central role in their technological advancement.
This session will outline the standardization efforts and technological trends in ISAC, followed by an introduction to empirical demonstrations using cellular signals as practical applications of ISAC technology.

Keyword ： Wireless Sensing, Integrated Sensing and Communications (ISAC), Standardization, Cellular

for microwave wideband filters, which are indispensable components of next-generation Ultra-Wideband (UWB) wireless communication systems supporting the emerging IoT and AI society, through a series of illustrative design examples.
Firstly, the limitations of applying conventional narrowband filter design theory to wideband filters are demonstrated through a specific example. Next, representative circuit configurations widely used in wideband bandpass filter design are introduced, and the theoretical design procedures are explained using practical examples. In addition, advanced design techniques are presented, including methods for improving skirt selectivity, introducing notch bands within a wide passband, and realizing dual-band characteristics.

Keyword ： Wideband Filters, Synthesis, Theoretical Design, Equivalent Circuits, Applications

To realize next-generation wireless communications such as 5G/6G and terahertz communications, high-frequency passive circuit technologies are required not only to achieve higher performance and enhanced functionality, but also to be integrated with emerging technologies such as artificial intelligence (AI), metamaterials, and microelectromechanical systems (MEMS).
This session focuses on passive circuit technologies spanning from the microwave to the terahertz frequency bands, and presents recent research advances in next-generation filter design using deep reinforcement learning, terahertz-wave control devices based on MEMS and metamaterials, and electronically controlled nonreciprocal metamaterial transmission lines. Through these presentations, the future prospects of next-generation high-frequency passive circuit technologies will be discussed.

Keyword ： Microwave/Millimeter-Wave/Terahertz Passive Circuit, Artificial Intelligence (AI), MEMS, Metamaterials, Nonreciprocal Circuits, Filter Design, Electronic Control

To create new value in wireless systems, utilizing wireless technology in non-communication fields is attracting significant attention. Now that automotive millimeter-wave radars for collision avoidance have become widely adopted, there is growing expectation for advancements in the radar and sensing domains, aiming for further market creation as the next step.
This workshop will widely introduce cutting-edge initiatives currently under study, including technological evolution toward 6G, the latest applications and future use cases of millimeter-wave radars, and innovations in wireless signal processing technology that serve as the core supporting these developments. Through these insights, we will explore the future direction of radar and sensing advancements toward next-generation deployments.

Keyword ： Sensing, Radar, Millimeter Wave, 6G, Radar Applications, Signal Processing, Integrated Sensing and Communication, ISAC

The realization of millimeter-wave and sub-terahertz technologies for next-generation wireless communications, sensing, radar systems, and electromagnetic wave control applications requires high-performance substrate materials, advanced manufacturing technologies, and functional electromagnetic materials.
This session will present recent developments in low-loss fluoropolymer substrates, PTFE-based high-frequency substrate materials, and multilayer PCB solutions, as well as fabrication technologies for fine-line patterning and microvia formation. In addition, terahertz-band electromagnetic wave absorbers will be introduced as emerging solutions for electromagnetic wave management and interference mitigation. From the perspectives of materials, fabrication, packaging, and electromagnetic wave control, the session provides an overview of key enabling technologies supporting next-generation high-frequency devices and systems.

Keyword ： Millimeter-Wave and Sub-Terahertz Technologies, High-Frequency Substrate Materials, Low-Loss Dielectric Materials, Fine-Line and Microvia Fabrication Technologies, Electromagnetic Wave Absorbers