3 papers
physics.optics2026
Topological Edge States Enable Step-like Power Transfer for Robust Arbitrary-Ratio Power Splitting
Jihwan You, Jibaek Song, Seungyong Lee +1
Topological edge states offer a robust route to photonic devices and systems that remain functional despite structural imperfections. Topological waveguide arrays have been shown t…
physics.atom-ph2026
Strontium transition frequency measurements assisted by a photonic grating chip
Jaewhan Lee, Hyun Gyung Lee, Won-Kyu Lee +15
We measure the absolute frequency of the transition in strontium using two methods: fluorescence spectroscopy of a thermal atomic beam sourc…
physics.optics2026
Universal zero-crosstalk photonic integration via slab-engineered mode hybridization
Kyungtae Kim, Yoseph Shin, Seungyong Lee +8
Photonic integrated circuits have emerged as a scalable platform for optical computing, communication, and quantum technologies, where high-fidelity optical processing is essential…