Electronics and Telecommunications Research Institute

Are Korean AI Firms Really Growing Sustainably? Operational Efficiency by Period, Firm Age, Firm Size, and Region

The sustainable growth of the AI industry depends not only on market expansion and technological advancement but also on whether AI supplier firms can efficiently transform their resource investments into stable economic outcomes. This study examines the operational efficiency of...

Plateau–Rayleigh Instability–Driven Shell-First Growth of (Ge, Si1– x Ge x )–AlN Core–Shell Crystals Exhibiting Telecom E-Band Photoluminescence

Abstract Si and Ge are technologically important semiconductors for electronic, photovoltaic, and optoelectronic applications. Herein, we report mixed-source hydride vapor phase epitaxial growth of (Ge, Si1–xGex)–AlN core–shell crystals on Al-based nanoabsorbers. Nano-CT and micr...

Passive polarization stabilization for robust entanglement distribution via cross-aligned polarization maintaining fiber pairs

Maintaining stable entanglement distribution through perturbed fiber links is essential for practical quantum-optics experiments, yet it remains challenging because of polarization fluctuations and phase or temporal-delay variations. We demonstrate stable entangled-photon transmi...

The Impact of Intelligent Personal Assistant Usability and Privacy Empowerment on User’s Continuance Intention: An Integrated Model Based on Self-Determination Theory

Intelligent personal assistants (IPAs) are increasingly embedded in everyday digital environments, yet sustained engagement remains limited. Drawing on Self-Determination Theory (SDT), this study examines how IPA usability and privacy empowerment relate to users’ basic psychologi...

Consumer Preferences for Electric Vehicle Fuel Taxation: The Role of Revenue Recycling and Tax Salience in South Korea

The rapid diffusion of electric vehicles (EVs) is weakening the conventional fuel tax base, creating new challenges for transport-energy taxation. Although South Korea does not currently tax EV charging electricity, such taxation is becoming increasingly relevant as EV adoption e...

Suppression of electrical crosstalk in 6047 pixel-per-inch ultrahigh-resolution white tandem organic light-emitting diodes on silicon via a trench structure

Abstract Interpixel electrical crosstalk caused by lateral leakage current remains a key challenge in high-resolution organic light-emitting diodes (OLEDs) displays, leading to severe color distortion in full-color panels. In this study, a trench structure incorporated into a 604...

RGB-Sensitive TeOx/InZnO Heterojunction Phototransistor for Visible-Light-Driven Optoelectronic Synapses

Abstract Visible-light-responsive optoelectronic synapses are attracting increasing attention for neuromorphic vision systems because they integrate optical sensing and information processing within a single device. However, conventional oxide semiconductor phototransistors are g...

Priority‐based contention‐avoidance resource allocation algorithm for disaggregated data centers

Abstract In this study, we propose a priority‐based contention‐avoidance (PCA) resource‐allocation method for disaggregated data centers (dDCs) that achieves a round‐trip time (RTT) of under 1 μs. The proposed scheme employs the disaggregated resource manager (dRM), which applies...

Dual‐Metasurface‐Integrated Fiber Array for Bidirectional Cylindrical‐Vector‐Beam Multiplexed Communication Using Off‐Axis Spatial Manipulation

ABSTRACT Free‐space optical (FSO) communication is expected to support 6G networks, and cylindrical vector beam (CVB) multiplexing offers a promising space‐division multiplexing (SDM) dimension for high‐capacity FSO links. However, conventional CVB generators offer limited bidire...