[HTML][HTML] A review of silicon subwavelength gratings: building break-through devices with anisotropic metamaterials

JM Luque-González, A Sánchez-Postigo… - …, 2021 - degruyter.com
Silicon photonics is playing a key role in areas as diverse as high-speed optical
communications, neural networks, supercomputing, quantum photonics, and sensing, which …

Silicon photonic devices realized on refractive index engineered subwavelength grating waveguides-A review

NL Kazanskiy, MA Butt, SN Khonina - Optics & Laser Technology, 2021 - Elsevier
It is a remarkable and straightforward approach to customize the dispersion and nonlinear
properties of the photonic devices without varying the composition of the material by …

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 …

[HTML][HTML] Tunable narrow-band single-channel add-drop integrated optical filter with ultrawide FSR

C Sun, Y Yin, Z Chen, Y Ye, Y Luo, H Ma, L Wang… - PhotoniX, 2022 - Springer
Abstract Free-spectral-range (FSR)-free optical filters have always been a critical challenge
for photonic integrated circuits. A high-performance FSR-free filter is highly desired for …

Integrated discretely tunable optical delay line based on step-chirped subwavelength grating waveguide Bragg gratings

H Sun, Y Wang, LR Chen - Journal of Lightwave Technology, 2020 - opg.optica.org
We demonstrate experimentally a discretely tunable optical delay line (ODL) using a step-
chirped subwavelength grating (SWG) waveguide Bragg grating (BG) in silicon-on-insulator …

Subwavelength grating waveguide filter based on cladding modulation with a phase-change material grating

SH Badri, SG Farkoush - Applied Optics, 2021 - opg.optica.org
Subwavelength engineering and utilizing phase-change materials with large contrast in their
optical properties have become powerful design tools for integrated silicon photonics …

Highly efficient optical antenna with small beam divergence in silicon waveguides

P Ginel-Moreno, D Pereira-Martín, A Hadij-ElHouati… - Optics Letters, 2020 - opg.optica.org
Optical antennas are key components in optical phased arrays for light detection and
ranging technology requiring long sensing range and high scanning resolution. To achieve …

Narrowband Bragg filters based on subwavelength grating waveguides for silicon photonic sensing

C Pérez-Armenta, A Ortega-Moñux, J Čtyroký… - Optics …, 2020 - opg.optica.org
Subwavelength grating (SWG) waveguides have been shown to provide enhanced light-
matter interaction resulting in superior sensitivity in integrated photonics sensors …

Experimental demonstration of metamaterial anisotropy engineering for broadband on-chip polarization beam splitting

A Herrero-Bermello, A Dias-Ponte… - Optics …, 2020 - opg.optica.org
Subwavelength metamaterials exhibit a strong anisotropy that can be leveraged to
implement high-performance polarization handling devices in silicon-on-insulator. Whereas …

Complex spectral filters in silicon waveguides based on cladding-modulated Bragg gratings

D Pereira-Martín, JM Luque-González… - Optics …, 2021 - opg.optica.org
Spectral filters are important building blocks for many applications in integrated photonics,
including datacom and telecom, optical signal processing and astrophotonics. Sidewall …