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32,485 results on '"Lee, In-Ho"'

15. fMRI data acquisition and analysis for task-free, anesthetized rats

Author

Vrooman, Roël M., van den Berg, Monica, Desrosiers-Gregoire, Gabriel, van Engelenburg, Wessel A., Galteau, Marie E., Lee, Sung-Ho, Veltien, Andor, Barrière, David A., Cash, Diana, Chakravarty, M. Mallar, Devenyi, Gabriel A., Gozzi, Alessandro, Gröhn, Olli, Hess, Andreas, Homberg, Judith R., Jelescu, Ileana O., Keliris, Georgios A., Scheenen, Tom, Shih, Yen-Yu Ian, Verhoye, Marleen, Wary, Claire, Zwiers, Marcel, and Grandjean, Joanes

Published
2025
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49. A programmable platform for photonic topological insulators

Author

Love Stuart, Idjadi Mohamad Hossein, Ashtiani Farshid, Lee Howard (Ho-Wai), and Blanco-Redondo Andrea

Subjects
topological photonics, silicon photonics, programmable photonics, tunable devices, ring resonator, Physics, QC1-999
Abstract

In the past decade, the field of topological photonics has gained prominence exhibiting consequential effects in quantum information science, lasing, and large-scale integrated photonics. Many of these topological systems exhibit protected states, enabling robust travel along their edges without being affected by defects or disorder. Nonetheless, conventional topological structures often lack the flexibility for implementing different topological models and for tunability postfabrication. Here, we present a method to implement magnetic-like Hamiltonians supporting topologically protected edge modes on a general-purpose programmable silicon photonic mesh of interferometers. By reconfiguring the lattice onto a two-dimensional mesh of ring resonators with carefully tuned couplings, we show robust edge state transport even in the presence of manufacturing tolerance defects. We showcase the system’s reconfigurability by demonstrating topological insulator lattices of different sizes and shapes and introduce edge and bulk defects to underscore the robustness of the photonic edge states. Our study paves the way for the implementation of photonic topological insulators on general-purpose programmable photonics platforms.

Published
2025
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50. Effects of EMI-CLIL on Secondary-Level Students' English Learning: A Multilevel Meta-Analysis

Author

Lee, Jang Ho, Lee, Hansol, and Lo, Yuen Yi

Abstract

This meta-analysis synthesized the effects of the English medium instruction and content and language integrated learning (EMI-CLIL) approach on secondary-level students' English learning. The dataset included 44 samples (N = 7,434) from 38 primary studies. The results revealed EMI-CLIL's overall effectiveness for the development of English competence compared to the mainstream condition in the short term (d = 0.73, SE = 0.06, 95% CI [0.61, 0.86]) and longer term (d = 1.01, SE = 0.06, 95% CI [0.88, 1.15]). Additionally, we found that EMI-CLIL's overall effectiveness was influenced by several moderator variables. Its effectiveness was significantly: (1) higher for learners whose first language (L1) was linguistically related to English; (2) lower for primary studies which confirmed the homogeneity of the EMI-CLIL and comparison groups; (3) lower when studies targeted the productive (rather than receptive or overall) dimension of English learning; and (4) higher when outcome measures focused on vocabulary. Implications for pedagogy and future research are discussed.

Published
2023

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