Design guidelines for optical resonator biochemical sensors Export

@article{hu09:1032, abstract = {We propose a design tool for dielectric optical resonator-based biochemical refractometry sensors. Analogous to the widely accepted photodetector figure of merit, the detectivity D*, we introduce a new sensor system figure of merit, the time-normalized sensitivity S*, to permit quantitative, cross-technology-platform comparison between resonator sensors with distinctive device designs and interrogation configurations. The functional dependence of S* on device parameters, such as resonant cavity quality factor (Q), extinction ratio, system noise, and light source spectral bandwidth, is evaluated by using a Lorentzian peak fitting algorithm and Monte Carlo simulations to provide theoretical insights and useful design guidelines for optical resonator sensors. Importantly, we find that S* critically depends on the cavity Q factor, and we develop a method of optimizing sensor resolution and sensitivity to noise as a function of cavity Q factor. Finally, we compare the simulation predictions of sensor wavelength resolution with experimental results obtained in Ge17Sb12S71 resonators, and good agreement is confirmed.}, author = {Hu, Juejun and Sun, Xiaochen and Agarwal, Anu and Kimerling, Lionel C.}, citeulike-article-id = {5468415}, citeulike-linkout-0 = {http://dx.doi.org/10.1364/JOSAB.26.001032}, citeulike-linkout-1 = {http://www.opticsinfobase.org/abstract.cfm?id=179185}, day = {1}, doi = {10.1364/JOSAB.26.001032}, journal = {J. Opt. Soc. Am. B}, keywords = {absorption, biosensor, citing\_me, experiment, hardcopy, optics, refractive\_index, resonant\_sensor, ring\_resonator, sensor, theory, thermo\_optic, thesis\_theory, waveguide}, month = {May}, number = {5}, pages = {1032--1041}, posted-at = {2009-08-18 17:08:11}, priority = {2}, publisher = {OSA}, title = {Design guidelines for optical resonator biochemical sensors}, url = {http://dx.doi.org/10.1364/JOSAB.26.001032}, volume = {26}, year = {2009} }

TY - JOUR ID - hu09:1032 L3 - citeulike-article-id:5468415 N2 - We propose a design tool for dielectric optical resonator-based biochemical refractometry sensors. Analogous to the widely accepted photodetector figure of merit, the detectivity D*, we introduce a new sensor system figure of merit, the time-normalized sensitivity S*, to permit quantitative, cross-technology-platform comparison between resonator sensors with distinctive device designs and interrogation configurations. The functional dependence of S* on device parameters, such as resonant cavity quality factor (Q), extinction ratio, system noise, and light source spectral bandwidth, is evaluated by using a Lorentzian peak fitting algorithm and Monte Carlo simulations to provide theoretical insights and useful design guidelines for optical resonator sensors. Importantly, we find that S* critically depends on the cavity Q factor, and we develop a method of optimizing sensor resolution and sensitivity to noise as a function of cavity Q factor. Finally, we compare the simulation predictions of sensor wavelength resolution with experimental results obtained in Ge17Sb12S71 resonators, and good agreement is confirmed. IS - 5 JF - J. Opt. Soc. Am. B EP - 1041 TI - Design guidelines for optical resonator biochemical sensors PB - OSA VL - 26 SP - 1032 KW - absorption KW - biosensor KW - citing_me KW - experiment KW - hardcopy KW - optics KW - refractive_index KW - resonant_sensor KW - ring_resonator KW - sensor KW - theory KW - thermo_optic KW - thesis_theory KW - waveguide AU - Hu, Juejun AU - Sun, Xiaochen AU - Agarwal, Anu AU - Kimerling, Lionel PY - 2009/05/01/ UR - http://dx.doi.org/10.1364/JOSAB.26.001032 ER -