Ring resonator based SOI biosensors

P. Bienstman; S. Werquin; C. Lerma Arce; D. Witters; R. Puers; J. Lammertyn; T. Claes; E. Hallynck; J.-W. Hoste; D. Martens

doi:10.1117/12.2001242

14 March 2013 Ring resonator based SOI biosensors

P. Bienstman, S. Werquin, C. Lerma Arce, D. Witters, R. Puers, J. Lammertyn, T. Claes, E. Hallynck, J.-W. Hoste, D. Martens

Author Affiliations +

Proceedings Volume 8629, Silicon Photonics VIII; 862905 (2013) https://doi.org/10.1117/12.2001242
Event: SPIE OPTO, 2013, San Francisco, California, United States

Abstract

In this paper, two recent advances in silicon ring resonator biosensors are presented. First, we address the problem that due to the high index contrast, small deviations from perfect symmetry lift the degeneracy of the normal resonator mode. This severely deteriorates the quality of the output signal. To address this, we discuss an integrated interferometric approach to give access to the unsplit, high-quality normal modes of the microring resonator. Second, we demonstrate how digital microfluidics can be used for effective fluid delivery to nanophotonic microring resonator sensors fully constructed in SOI.

Citation Download Citation

P. Bienstman, S. Werquin, C. Lerma Arce, D. Witters, R. Puers, J. Lammertyn, T. Claes, E. Hallynck, J.-W. Hoste, and D. Martens "Ring resonator based SOI biosensors", Proc. SPIE 8629, Silicon Photonics VIII, 862905 (14 March 2013); https://doi.org/10.1117/12.2001242

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