Filters








20 Hits in 3.2 sec

Biosensing Using Microring Resonator Interferograms

Shih-Hsiang Hsu, Yung-Chia Yang, Yu-Hou Su, Sheng-Min Wang, Shih-An Huang, Ching-Yu Lin
2014 Sensors  
Optical low-coherence interferometry (OLCI) takes advantage of the variation in refractive index in silicon-wire microring resonator (MRR) effective lengths to perform glucose biosensing using MRR interferograms  ...  The MRR quality factor (Q), proportional to the effective length, could be improved using the silicon-wire propagation loss and coupling ratio from the MRR coupler.  ...  In just a few years researchers have proposed using microring resonator (MRR) for label-free biosensing applications [2] [3] [4] [5] .  ... 
doi:10.3390/s140101184 pmid:24434876 pmcid:PMC3926609 fatcat:ch5btlipnjgrvfjefd2cwdohtu

Sensitivity Enhancement of Group Refractive Index Biosensor through Ring-Down Interferograms of Microring Resonator

Hsuan Lai, Tzu-Ning Kuo, Jia-Yi Xu, Shih-Hsiang Hsu, Yi-Cheng Hsu
2022 Micromachines  
Researchers have recently proposed using the microring resonator (MRR) for label-free biosensing applications.  ...  This paper proposes an MRR chip to be a biosensor on the silicon platform through the relative displacement between the spatial ring-down interferograms at various cladding layers.  ...  The typical resonant wavelength-based sensitivity for a microring resonator (MRR) is defined as Sλ = ∆λ/∆nclad, where ∆λ and ∆nclad represent the resonant wavelength peak shift and the refractive index  ... 
doi:10.3390/mi13060922 fatcat:rzxnppjbq5ejhl4jqeb3n2qh7a

Recent Progress of Imprinted Polymer Photonic Waveguide Devices and Applications

Xiu-You Han, Zhen-Lin Wu, Si-Cheng Yang, Fang-Fang Shen, Yu-Xin Liang, Ling-Hua Wang, Jin-Yan Wang, Jun Ren, Ling-Yun Jia, Hua Zhang, Shu-Hui Bo, Geert Morthier (+1 others)
2018 Polymers  
Versatile functional devices can be manufactured using a simple process, with low cost and potential mass-manufacturing.  ...  This paper reviews the recent progress of polymer photonic integrated devices fabricated using the UV imprinting technique.  ...  of the biosensing process using PA/IgG affinity couple [9] .  ... 
doi:10.3390/polym10060603 pmid:30966637 pmcid:PMC6404155 fatcat:h6n36dcl5fgujcr6deicdev6kq

Silicon Photonic Biosensors Using Label-Free Detection

Enxiao Luan, Hossam Shoman, Daniel Ratner, Karen Cheung, Lukas Chrostowski
2018 Sensors  
In this review, we provide an overview of the state-of-the-art in evanescent field biosensing technologies including interferometer, microcavity, photonic crystal, and Bragg grating waveguide-based sensors  ...  last, some advanced system-level complementary metal-oxide semiconductor (CMOS) chip packaging examples are presented, indicating the commercialization potential for the low cost, high yield, portable biosensing  ...  Photonic crystal microring resonator for 959 label-free biosensing. Optics express 2017, 25, 7046-7054. 960 104. Mandal, S.; Erickson, D. Nanoscale optofluidic sensor arrays.  ... 
doi:10.3390/s18103519 fatcat:wskpkn5mqfevfd7mzobstmcnnu

Label-Free Biosensors Based onto Monolithically Integrated onto Silicon Optical Transducers

Michailia Angelopoulou, Sotirios Kakabakos, Panagiota Petrou
2018 Chemosensors  
(SPR), grating couplers, photonic crystals, ring resonators, and interferometric transducers.  ...  first, a short introduction to the evanescent wave optics is provided followed by detailed description of the main categories of label-free optical biosensors, including sensors based on surface plasmon resonance  ...  Figure 7 . 7 (a) Basic configuration of a microring resonator. (b) Scanning electron micrograph of a Si microring resonator adjacent to a linear waveguide.  ... 
doi:10.3390/chemosensors6040052 fatcat:o37m7aglurahnjuclfo4bqhhui

External cavity laser biosensor

C. Ge, M. Lu, S. George, C. J. Wagner, J. Zheng, A. Pokhriyal, J. G. Eden, B. T. Cunningham
2012 IEEE Photonics Conference 2012  
The photonic crystal is fabricated inexpensively from plastic materials, and its resonant wavelength is tuned by adsorption of biomolecules on its surface.  ...  Utilizing a tunable photonic crystal resonant reflector as a mirror of an external cavity laser cavity, we demonstrate a new type of label-free optical biosensor that achieves a high quality factor through  ...  The green curve represents the PC resonant reflection spectrum and the blue curve denotes the ECL lasing spectrum. (b) (c) Interferogram.  ... 
doi:10.1109/ipcon.2012.6358534 fatcat:uxhbvmwutjbijgi7anz67ls2ke

External cavity laser biosensor

Chun Ge, Meng Lu, Sherine George, Timothy A. Flood, Clark Wagner, Jie Zheng, Anusha Pokhriyal, J. Gary Eden, Paul J. Hergenrother, Brian T. Cunningham
2013 Lab on a Chip  
The photonic crystal is fabricated inexpensively from plastic materials, and its resonant wavelength is tuned by adsorption of biomolecules on its surface.  ...  Utilizing a tunable photonic crystal resonant reflector as a mirror of an external cavity laser cavity, we demonstrate a new type of label-free optical biosensor that achieves a high quality factor through  ...  The green curve represents the PC resonant reflection spectrum and the blue curve denotes the ECL lasing spectrum. (b) (c) Interferogram.  ... 
doi:10.1039/c3lc41330f pmid:23429747 pmcid:PMC4610027 fatcat:sdoeihr7ofdcvb726hdpm42owa

Porous Silicon Optical Devices: Recent Advances in Biosensing Applications

Rosalba Moretta, Luca De Stefano, Monica Terracciano, Ilaria Rea
2021 Sensors  
The cost-effective fabrication process, the high internal surface area, the tunable pore size, and the photonic properties made the PSi an appealing transducing substrate for biosensing purposes, with  ...  Using this approach, Weiss et al. demonstrated a 5-7-fold enhanced sensitivity and a 3-fold reduction in response time in silicon microring resonators and photonic crystals, with respect to the traditional  ...  Porous Silicon Immunosensors The antibodies represent the most common probes used in biosensing systems.  ... 
doi:10.3390/s21041336 pmid:33668616 fatcat:sseuhlpcujhwtmb4vjmnohyzva

2019 Index IEEE Photonics Journal Vol. 11

2019 IEEE Photonics Journal  
., +, JPHOT Aug. 2019 3700110 Ultrahigh Q Polymer Microring Resonators for Biosensing Applications.  ...  Lu, Y., +, JPHOT Aug. 2019 2200807 Ultrahigh Q Polymer Microring Resonators for Biosensing Applications.  ... 
doi:10.1109/jphot.2020.2969544 fatcat:i2xladbx5fff7fhlgng2n4nc3e

Spectral imaging and spectral LIDAR systems: moving toward compact nanophotonics-based sensing

Nanxi Li, Chong Pei Ho, I-Ting Wang, Prakash Pitchappa, Yuan Hsing Fu, Yao Zhu, Lennon Yao Ting Lee
2021 Nanophotonics  
Also, high-Q microring resonators are used to generate optical frequency combs for LIDAR systems to sense with high precision and fast rate.  ...  Biosensing is achieved by comparing the resonance map of metasurface with biomolecules and the reference resonance map without the biosample.  ... 
doi:10.1515/nanoph-2020-0625 fatcat:kofmm4vwbvbzlga6emfymgqote

Trends in photonic lab-on-chip interferometric biosensors for point-of-care diagnostics

A. B. González-Guerrero, J. Maldonado, S. Herranz, L. M. Lechuga
2016 Analytical Methods  
Different IO arrangements have been proposed during the last two decades; most relevant configurations are grating couplers, interferometers, microring resonators, photonic crystals, silicon wire and slot-waveguides  ...  resonator-based biosensors 79 , 80 .  ... 
doi:10.1039/c6ay02972h fatcat:miutnguegrfidpyojl3vpw2f2e

Nanosilicon-Based Composites for (Bio)sensing Applications: Current Status, Advantages, and Perspectives

Valerii Myndrul, Igor Iatsunskyi
2019 Materials  
Optical transmittance of PSi microring resonators and microcavities was used as the signal for sensor and biosensor applications [101] [102] [103] [104] .  ...  Basic approaches and biosensing mechanisms that are now in use for nano-Si sensors have also been presented in detail.  ... 
doi:10.3390/ma12182880 pmid:31489913 pmcid:PMC6766027 fatcat:dxwb6m7lcfflbfnmisrczlidfi

Breakthroughs in Photonics 2011

2012 IEEE Photonics Journal  
m radius microring resonator (MRR).  ...  Another application of optical antennas is biosensing [26] .  ...  Space-division multiplexing (SDM) is expected to further scale network capacities, using parallel strands of single-mode fiber, uncoupled or coupled cores of multicore fiber, or even individual modes of  ... 
doi:10.1109/jphot.2012.2195206 fatcat:phyly4pmsrdtln3eyzrov4luti

On-chip quantum and nonlinear optics: from squeezing to spectroscopy

Avik Dutt
2017
Furthermore, we show continuous electrical tuning of the degree of squeezing using integrated platinum microheaters incorporated above coupled microring resonators.  ...  Chris and I started as comrades in the biosensing/optofluidics area in our first year, and have since then moved on to very different projects.  ...  dual-comb source. comb is generated using cascaded Si 3 N 4 microring resonators pumped with a single cw laser.  ... 
doi:10.7298/x40v8b02 fatcat:sgnq2vgpovhixilhnh6r2pv6xm

Integrated butt-coupled membrane laser for Indium Phosphide on Silicon platform

V. Pogoretskiy, A. Higuera-Rodriguez, Y. Jiao, J. J. G. M van der Tol, D. Heiss, M. K. Smit
2016 2016 International Conference Laser Optics (LO)  
We propose a novel approach to control mode structure of microring resonators using subwavelength hollow core defects.  ...  of interferograms.  ...  Within this contribution, we present spectroelectrochemistry using a BDD-modified IR-ATR crystal in with atomic force microscopy. WePD-07 Gorodetsky M.L. ThR8-41 Gorshkov B.G.  ... 
doi:10.1109/lo.2016.7549714 fatcat:mkak6vararbdznwdaacjuwuaoq
« Previous Showing results 1 — 15 out of 20 results