Sensitivity-enhanced microring resonator with partial intermediate refractive index cladding

Ping Zhang; Youlei Ding; Yufei Wang

doi:10.1117/1.OE.57.9.097103

24 September 2018 Sensitivity-enhanced microring resonator with partial intermediate refractive index cladding

Ping Zhang, Youlei Ding, Yufei Wang

Author Affiliations +

Funded by: Natural Science Foundation of China

Optical Engineering, Vol. 57, Issue 9, 097103 (September 2018). https://doi.org/10.1117/1.OE.57.9.097103

Abstract

In this report, a microring structure with partial intermediate refractive index cladding is proposed and simulated using finite-difference time-domain. The introduced intermediate refractive index cladding is a transitional layer between the ring waveguide and the environment to achieve a greater detection range of evanescent wave, which is of great benefit to the light–matter interaction. The sensitivity of the modified microring resonator is obtained up to 480 nm / RIU, which is eight times the microring resonator without partial intermediate refractive index cladding. This scheme can offer a way to improve the sensitivity of optical microcavity biosensors.

Citation Download Citation

Ping Zhang, Youlei Ding, and Yufei Wang "Sensitivity-enhanced microring resonator with partial intermediate refractive index cladding," Optical Engineering 57(9), 097103 (24 September 2018). https://doi.org/10.1117/1.OE.57.9.097103

Received: 3 June 2018; Accepted: 6 September 2018; Published: 24 September 2018

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

;

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE