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physics.optics2021★ 1 cited
Spectrally pure photon pair generation in asymmetric heterogeneously coupled waveguides
Xiangyan Ding, Jing Ma, Liying Tan +2
In this work, we develop a design methodology to generate spectrally pure photon pairs in asymmetric heterogeneously coupled waveguides by spontaneous parametric down-conversion. M…
physics.optics2021★ 3 cited
Wavelength Conversion Efficiency Enhancement in Modal Phase Matched Nonlinear Waveguides
Dongpeng Kang, Weiqi Zhang, Amr S. Helmy +3
Modal phase matching (MPM) is a widely used phase matching technique in AlGaAs and other nonlinear waveguides for efficient wavelength conversions. The use of…
physics.optics2020★ 49 cited
Few-Mode Fiber Coupling Efficiency for Free-Space Optical Communication
Xingjie Fan, Dawei Wang, Julian Cheng +2
Few-mode fiber is a significant component of free-space optical communication at the receiver to obtain achievable high coupling efficiency. A theoretical coupling model from the f…