Bound states in the continuum empower subwavelength gratings for refractometers in visible
This paper describes a compact refractometer in visible with optical bounds states in the
continuum (BICs) using silicon nitride (Si3N4) based sub-wavelength medium contrast …
continuum (BICs) using silicon nitride (Si3N4) based sub-wavelength medium contrast …
Single mode, air-cladded optical waveguides supported by a nano-fin fabricated with direct laser writing
Single-mode, air-cladded optical waveguides have wavelength scale diameters, making
them very fragile and difficult to handle and yet highly desirable for sensing and inter-chip …
them very fragile and difficult to handle and yet highly desirable for sensing and inter-chip …
Functional film coated optical micro/nanofibers for high-performance gas sensing
One of the challenges for optical micro/nanofiber (MNF) gas sensors is reliably measuring
small volumes of samples with low detection limit and fast response. Herein, we introduce a …
small volumes of samples with low detection limit and fast response. Herein, we introduce a …
Design of the bimodal grating sensor with a built-in mode demultiplexer
A Tsarev - Sensors, 2023 - mdpi.com
This new sensor design provides good volume sensitivity (around 1600 nm/RIU) via
collinear diffraction by the asymmetric grating placed in the waveguide vicinity. It provides …
collinear diffraction by the asymmetric grating placed in the waveguide vicinity. It provides …
Critical Wavelength Referencing Free Bio-Sensor utilizing Silicon-on-Insulator based Directional Coupler
In this paper, we propose and theoretically analyze a novel sensor structure for bulk
refractive index and bio-layer sensing applications. The sensor employs a directional …
refractive index and bio-layer sensing applications. The sensor employs a directional …
Numerical analysis of a grating embedded bidirectional integrated optical coupler pressure sensor
A numerical analysis of a grating embedded bidirectional optical coupled waveguide
structure is presented for the first time, to our knowledge. A finite difference method (FDM) …
structure is presented for the first time, to our knowledge. A finite difference method (FDM) …
Overview of Integrated Optical Sensors Based on Silicon: Forecasts and Results of the Decade [invited Article]
AV Tsarev - Optoelectronics, Instrumentation and Data Processing, 2020 - Springer
Silicon photonics is the most important technological platform for creating a variety of
functional optical elements, including promising types of optical sensors. Moreover, in recent …
functional optical elements, including promising types of optical sensors. Moreover, in recent …
High sensitivity detection of chemicals based on sinusoidally apodized structured grating assisted liquid filled directional coupler
The grating has a significant role in sensing applications. Similarly, the grating-assisted
coupler has excellent potential in chemical sensing applications. The power coupling …
coupler has excellent potential in chemical sensing applications. The power coupling …
Investigation of Si3N4 microring resonator for bio-chemical sensing applications
S Das, SC Samudrala, KJ Lee, BR Wenner… - Frontiers in …, 2018 - opg.optica.org
Investigation of Si3N4 Microring Resonator for Bio-Chemical Sensing Applications Page 1
JW3A.98.pdf Frontiers in Optics / Laser Science © OSA 2018 Investigation of Si3N4 Microring …
JW3A.98.pdf Frontiers in Optics / Laser Science © OSA 2018 Investigation of Si3N4 Microring …
Effect of dispersion-enhanced sensitivity in a two-mode optical waveguide with an asymmetric diffraction grating
A Tsarev - Sensors, 2021 - mdpi.com
Analysis of trends in the development of silicon photonics shows the high efficiency
regarding the creation of optical sensors. The concept of bimodal sensors, which suggests …
regarding the creation of optical sensors. The concept of bimodal sensors, which suggests …