Optical immunosensors for bacteria detection in food matrices

D Kourti, M Angelopoulou, P Petrou, S Kakabakos - Chemosensors, 2023 - mdpi.com
Optical immunosensors are one of the most popular categories of immunosensors with
applications in many fields including diagnostics and environmental and food analysis. The …

Silicon mode multi/demultiplexer based on multimode grating-assisted couplers

H Qiu, H Yu, T Hu, G Jiang, H Shao, P Yu, J Yang… - Optics express, 2013 - opg.optica.org
A simple and low-crosstalk 1× 4 silicon mode (de) multiplexer based on multimode grating-
assisted-couplers is proposed. Mode transitions can be flexibly controlled by designing the …

Silicon photonic grating-assisted, contra-directional couplers

W Shi, X Wang, C Lin, H Yun, Y Liu, T Baehr-Jones… - Optics express, 2013 - opg.optica.org
We demonstrate, in both theory and experiment, 4-port, electrically tunable photonic filters
using silicon contra-directional couplers (contra-DCs) with uniform and phase-shifted …

Ultra-compact, flat-top demultiplexer using anti-reflection contra-directional couplers for CWDM networks on silicon

W Shi, H Yun, C Lin, M Greenberg, X Wang, Y Wang… - Optics express, 2013 - opg.optica.org
Wavelength-division-multiplexing (WDM) networks with wide channel grids and bandwidths
are promising for low-cost, low-power optical interconnects. Wide-bandwidth, single-band …

A silicon photonic biosensor using phase‐shifted Bragg gratings in slot waveguide

X Wang, J Flueckiger, S Schmidt, S Grist… - Journal of …, 2013 - Wiley Online Library
We present a novel silicon photonic biosensor using phase‐shifted Bragg gratings in a slot
waveguide. The optical field is concentrated inside the slot region, leading to efficient light …

Improving the performance of silicon photonic rings, disks, and Bragg gratings for use in label-free biosensing

S Schmidt, J Flueckiger, WX Wu… - Biosensing and …, 2014 - spiedigitallibrary.org
Silicon photonics biosensors continue to be an area of active research, showing the
potential to revolutionize Labon-Chip applications ranging from environmental monitoring to …

A sensitive optical micro-machined ultrasound sensor (OMUS) based on a silicon photonic ring resonator on an acoustical membrane

SM Leinders, WJ Westerveld, J Pozo, P Van Neer… - Scientific reports, 2015 - nature.com
With the increasing use of ultrasonography, especially in medical imaging, novel fabrication
techniques together with novel sensor designs are needed to meet the requirements for …

Silicon photonic slot waveguide Bragg gratings and resonators

X Wang, S Grist, J Flueckiger, NAF Jaeger… - Optics express, 2013 - opg.optica.org
We present the design, fabrication, and characterization of integrated Bragg gratings in
silicon-on-insulator slot waveguides. The Bragg gratings are formed with sidewall …

Tunable large free spectral range microring resonators in lithium niobate on insulator

I Krasnokutska, JLJ Tambasco, A Peruzzo - Scientific reports, 2019 - nature.com
Microring resonators are critical photonic components used in filtering, sensing and
nonlinear applications. To date, the development of high performance microring resonators …

All optical modulation in vertically coupled indium tin oxide ring resonator employing epsilon near zero state

S Rajput, V Kaushik, P Babu, SK Pandey, M Kumar - Scientific Reports, 2023 - nature.com
We present an innovative approach to achieve all-optical modulation within an ITO-based
vertically coupled ring resonator. This method leverages the material's enhanced nonlinear …