13 citations · 21 across the 8 of their papers we have counts for
8 papers
Free space optics in two dimensions: optical elements for silicon photonics without lateral confinement
Siegfried Janz, Shurui Wang, Rubin Ma +2
Silicon photonic components based on freely propagating beams in 220 nm thick Si slab waveguides are described and characterized. Examples include optical relays, waveguide crossin…
Planar Waveguide Circulating Gaussian Beam Resonators on a Silicon Photonic Chip
Siegfried Janz, Shurui Wang, Rubin Ma +2
A Si slab waveguide resonator design with a circulating Gaussian-like cavity mode is described and characterized, for both all-pass and add-drop configurations and several differen…
Perfectly vertical silicon metamaterial grating couplers with large segmentation periods up to 650 nm
Jianhao Zhang, Daniele Melati, Yuri Grinberg +7
Perfectly vertical grating couplers leveraging metamaterials can achieve both high coupling efficiency and minimal back reflection. The fabricability of these designs, with segment…
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…
Measurement Accuracy in Silicon Photonic Ring Resonator Thermometers: Identifying and Mitigating Intrinsic Impairments
Siegfried Janz, Sergey Dedyulin, D. -X. Xu +4
Silicon photonic ring resonator thermometers have been shown to provide temperature measurements with a 10 mK accuracy. In this work we identify and quantify the intrinsic on-chip…
Athermal and tunable echelle grating wavelength demultiplexers using a Mach-Zehnder interferometer launch structure
Daniele Melati, Dan-Xia Xu, Ross Cheriton +5
We present a comparative experimental study of three silicon photonic echelle grating demultiplexers that are integrated with a Mach-Zehnder interferometer (MZI) launch structure.…
Spectrum-free integrated photonic remote molecular identification and sensing
Ross Cheriton, Suresh Sivanandam, Adam Densmore +11
Absorption spectroscopy is widely used in sensing and astronomy to understand molecular compositions on microscopic to cosmological scales. However, typical dispersive spectroscopi…
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…