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physics.optics2022★ 2 cited
Comment on "Amplified emission and lasing in photonic time crystals"
Jagang Park, Hee Chul Park, Kyungmin Lee +5
Lyubarov et al. (Research Articles, 22 July 2022, p. 425) claim that the spontaneous emission rate of an atom vanishes at the momentum gap edges of photonic Floquet media. We show…
physics.optics2018★ 29 cited
Flat-band localization and self-collimation of light in photonic crystals
Nojoon Myoung, Hee Chul Park, Ajith Ramachandran +2
We investigate the optical properties of a photonic crystal composed of a quasi-one-dimensional flat-band lattice array through finite-difference time-domain simulations. The photo…