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physics.optics2023
Unveiling the origins of quasi-phase matching spectral imperfections in thin-film lithium niobate frequency doublers
Jie Zhao, Xiaoting Li, Ting-Chen Hu +10
Thin-film lithium niobate (TFLN) based frequency doublers have been widely recognized as essential components for both classical and quantum optical communications. Nonetheless, th…
physics.optics2021★ 8 cited
Ultralow-threshold thin-film lithium niobate optical parametric oscillator
Juanjuan Lu, Ayed Al Sayem, Zheng Gong +3
Materials with strong optical nonlinearity, especially lithium niobate, play a critical role in building optical parametric oscillators (OPOs). However, chip-scale integr…
physics.optics2017
All Dielectric Biaxial Metamaterial: A New Route to Lossless Dyakonov Waves with Higher Angular Existence Domain
Ayed Al Sayem
In this article, we propose and numerically analyze an all dielectric biaxial metamaterial [ADBM] constructed by multilayer pattering of a sub-wavelength ridge array of Silicon and…