TDM-controlled ring resonator arrays for fast, fixed-wavelength optical biosensing.

Moock P, Kasper L, Jäger M, Stolarek D, Richter H, Bruns J, Petermann K (2018) TDM-controlled ring resonator arrays for fast, fixed-wavelength optical biosensing. Opt Express [Accepted] PubMed

Abstract

A novel control concept for serial ring resonator arrays based on a time-division multiplex (TDM) approach is presented. It allows fast sampling rates in terms of biological kinetics. The novelty consists of using both thermal tuning of the effective refractive index and thermo-optical multiplexing for the silicon-on-insulator (SOI) ring resonator arrays, without the need for a tunable laser source. Using a fixed wavelength, fast read-out rates of 100 Hz are demonstrated for each ring.

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doi: 10.1364/OE.26.022356 PMID: 30130930