75 citations · 123 across the 4 of their papers we have counts for
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physics.optics2021★ 4 cited
Geometry-dependent two-photon absorption followed by free-carrier absorption in AlGaAs waveguides
Daniel H. G. Espinosa, Stephen R. Harrigan, Kashif M. Awan +2
Nonlinear absorption can limit the efficiency of nonlinear optical devices. However, it can also be exploited for optical limiting or switching applications. Thus, characterization…
physics.optics2021★ 27 cited
Relaxed phase-matching constraints in zero-index waveguides
Justin R. Gagnon, Orad Reshef, Daniel H. G. Espinosa +8
The nonlinear optical response of materials is the foundation upon which applications such as frequency conversion, all-optical signal processing, molecular spectroscopy, and nonli…