Silicon‐based integrated label‐free optofluidic biosensors: latest advances and roadmap

J Wang, MM Sanchez, Y Yin, R Herzer… - Advanced Materials …, 2020 - Wiley Online Library
By virtue of the well‐developed micro‐and nanofabrication technologies and rapidly
progressing surface functionalization strategies, silicon‐based devices have been widely …

Low-loss modified SU-8 waveguides by direct laser writing at 405 nm

JC Ramirez, JN Schianti, MG Almeida… - Optical Materials …, 2017 - opg.optica.org
In this work we present a fabrication process to obtain a low-loss waveguide in the photo-
curable resin SU-8 using direct laser writing at 405 nm wavelength. Polymer-based devices …

[HTML][HTML] Wavelength-flattened directional coupler based mid-infrared chemical sensor using Bragg wavelength in subwavelength grating structure

B Dong, T Hu, X Luo, Y Chang, X Guo, H Wang… - Nanomaterials, 2018 - mdpi.com
In this paper, we report a compact wavelength-flattened directional coupler (WFDC) based
chemical sensor featuring an incorporated subwavelength grating (SWG) structure for the …

Design and analysis of a photonic crystal-based biosensor for the detection of chikungunya virus

D Gowdhami, VR Balaji - Laser Physics, 2023 - iopscience.iop.org
A two-dimensional photonic crystal biosensor is theoretically demonstrated and investigated
based on refractive index sensing. It detects the chikungunya virus (CHIKV) in the various …

Analysis and design of photonic crystal malaria biosensor with double nanohole cavity resonator with ultra-high-quality factor

D Gowdhami, VR Balaji - Optical and Quantum Electronics, 2024 - Springer
In this work, we design a two-dimensional Photonic crystal (2D-PC) structure to detect the
various malarial biomarkers namely the Schizont stage, Trophozoite stage, Ring stage, and …

[HTML][HTML] Trimodal waveguide demonstration and its implementation as a high order mode interferometer for sensing application

JC Ramirez, LH Gabrielli, LM Lechuga… - Sensors, 2019 - mdpi.com
This work implements and demonstrates an interferometric transducer based on a trimodal
optical waveguide concept. The readout signal is generated from the interference between …

Highly sensitive optical biosensor based on silicon-microring-resonator-loaded Mach–Zehnder interferometer

S Yoshida, S Ishihara, T Arakawa… - Japanese Journal of …, 2017 - iopscience.iop.org
We propose and demonstrate a novel biosensor based on a silicon-single-microring-
resonator-loaded Mach–Zehnder interferometer (MRR-MZI), and discuss the design of the …

Trimodal polymer waveguide interferometer for chemical sensing

K Ebihara, K Uchiyamada, K Asakawa… - Japanese Journal of …, 2019 - iopscience.iop.org
A trimodal polymer waveguide interferometer was fabricated for bio/chemical sensing. Dual
single-mode waveguides were used for the input and output ports to improve coupling …

Silicon nitride directional coupler interferometer for surface sensing

K Okubo, K Uchiyamada, K Asakawa… - Optical …, 2017 - spiedigitallibrary.org
A silicon nitride directional coupler (DC) used to create a biosensing device is presented.
The DC detects changes in the refractive index of the cladding (n clad) as changes in the …

SU-8 meta phenylenediamine conjugated thin film for temperature sensing

H Barhum, MA Atrash, I Brice, T Salgals… - arXiv preprint arXiv …, 2024 - arxiv.org
Polymers, demonstrating distinctive optical properties alongside facile and mastered
fabrication methods, have become increasingly important platforms for realizing a variety of …