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physics.optics2023
Optical vortex harmonic generation facilitated by photonic spin-orbit entanglement
Chang Kyun Ha, Eun Mi Kim, Kyoung Jun Moon +1
Photons can undergo spin-orbit coupling, by which the polarization (spin) and spatial profile (orbit) of the electromagnetic field interact and mix. Strong photonic spin-orbit coup…
physics.optics2020
Multimode optically adiabatic silica glass submicron taper
Chang Kyun Ha, Kee Hwan Nam, Myeong Soo Kang
Silica nanofibers fabricated by tapering optical fibers have attracted considerable interest as an ultimate platform for high-efficiency light-matter interactions. While previously…
physics.optics2019
Tailoring of multi-pulse dynamics in mode-locked laser via optoacoustic manipulation of quasi-continuous-wave background
Ki Sang Lee, Chang Kyun Ha, Kyoung Jun Moon +2
A variety of nonequilibrium multi-pulse states can emerge in a mode-locked laser through the interactions between the quasi-continuous-wave background (qCWB) and optical pulses ins…