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physics.optics2023
Optical wavefront phase-tilt measurement using Si-photonic waveguide grating couplers
Siegfried Janz, Dan-Xia Xu, Yuri Grinberg +5
Silicon photonic wavefront phase-tilt sensors for wavefront monitoring using surface coupling grating arrays are demonstrated. The first design employs the intrinsic angle dependen…
physics.optics2016
Ultra broadband waveveguide coupler using an anisotropic sub-wavelength metamaterial
Robert Halir, Pavel Cheben, Jose Manuel Luque-González +7
Multimode interference couplers are a fundamental building block in many integrated photonic systems, ranging from high-speed coherent receivers to quantum splitters. However, thei…