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physics.optics2016★ 24 cited
Gain enhanced Fano resonance in a coupled photonic crystal cavity-waveguide structure
Yanhui Zhao, Chenjiang Qian, Kangsheng Qiu +4
Systems with coupled cavities and waveguides have been demonstrated as optical switches and optical sensors. To optimize the functionalities of these optical devices, Fano resonanc…
physics.optics2015★ 46 cited
Ultrafast Optical Switching Using Photonic Molecules in Photonic Crystal Waveguides
Yanhui Zhao, Chenjiang Qian, Kangsheng Qiu +2
We study the coupling between photonic molecules and waveguides in photonic crystal slab structures using finite-difference time-domain method and coupled mode theory. In a photoni…