[HTML][HTML] Single-step etched grating couplers for silicon nitride loaded lithium niobate on insulator platform
Dielectrically loaded thin-film lithium niobate (LiNbO 3) on insulator (LNOI) platforms have
enabled a range of photonic integrated circuit components, such as high-speed optical …
enabled a range of photonic integrated circuit components, such as high-speed optical …
Ultra-broadband mode converter and multiplexer based on sub-wavelength structures
D González-Andrade… - IEEE Photonics …, 2018 - ieeexplore.ieee.org
Current bandwidth capacity provided by wavelength-division multiplexing and polarization-
division multiplexing is insufficient to keep up with the increasing bandwidth demand …
division multiplexing is insufficient to keep up with the increasing bandwidth demand …
Anisotropic leaky-like perturbation with subwavelength gratings enables zero crosstalk
Electromagnetic coupling via an evanescent field or radiative wave is a primary
characteristic of light, allowing optical signal/power transfer in a photonic circuit but limiting …
characteristic of light, allowing optical signal/power transfer in a photonic circuit but limiting …
Ultracompact fiber-to-chip metamaterial edge coupler
Compact fiber-to-chip light coupling with low loss and large bandwidth, SMF-to-chip edge
coupler in particular, is extensively demanded in integrated photonics. The inescapable …
coupler in particular, is extensively demanded in integrated photonics. The inescapable …
Demonstration of a compressive-sensing Fourier-transform on-chip spectrometer
H Podmore, A Scott, P Cheben, AV Velasco… - Optics letters, 2017 - opg.optica.org
We demonstrate compressive-sensing (CS) spectroscopy in a planar-waveguide Fourier-
transform spectrometer (FTS) device. The spectrometer is implemented as an array of Mach …
transform spectrometer (FTS) device. The spectrometer is implemented as an array of Mach …
Subwavelength grating enabled on-chip ultra-compact optical true time delay line
An optical true time delay line (OTTDL) is a basic photonic building block that enables many
microwave photonic and optical processing operations. The conventional design for an …
microwave photonic and optical processing operations. The conventional design for an …
L-shaped fiber-chip grating couplers with high directionality and low reflectivity fabricated with deep-UV lithography
Grating couplers enable position-friendly interfacing of silicon chips by optical fibers. The
conventional coupler designs call upon comparatively complex architectures to afford …
conventional coupler designs call upon comparatively complex architectures to afford …
An ultracompact GRIN‐lens‐based spot size converter using subwavelength grating metamaterials
JM Luque‐González, R Halir… - Laser & Photonics …, 2019 - Wiley Online Library
Graded‐index materials offer virtually complete control over light propagation in integrated
photonic chips but can be challenging to implement. Here, an anisotropic graded‐index …
photonic chips but can be challenging to implement. Here, an anisotropic graded‐index …
Complementary metal–oxide–semiconductor compatible high efficiency subwavelength grating couplers for silicon integrated photonics
We demonstrate a through-etched grating coupler based on subwavelength nanostructure.
The grating consists of arrays of 80 nm× 343 nm rectangular air holes, which can be …
The grating consists of arrays of 80 nm× 343 nm rectangular air holes, which can be …
High-resolution Fourier-transform spectrometer chip with microphotonic silicon spiral waveguides
AV Velasco, P Cheben, PJ Bock, A Delâge… - Optics letters, 2013 - opg.optica.org
We report a stationary Fourier-transform spectrometer chip implemented in silicon
microphotonic waveguides. The device comprises an array of 32 Mach–Zehnder …
microphotonic waveguides. The device comprises an array of 32 Mach–Zehnder …