| Authors: | D. Martens, A. Stassen, W. Van Roy, P. Bienstman | | Title: | Novelty low-cost integrated photonic biosensor using broadband source and on-chip spectral filter | | Format: | International Conference Proceedings | | Publication date: | 2/2016 | | Journal/Conference/Book: | IEEE Photonics Society Benelux
| | Volume(Issue): | p.173-176 | | Location: | Brussels, Belgium | | Citations: | Look up on Google Scholar
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Abstract
Integrated label-free photonic biosensors provide an excellent limit of detection in combination with a low-cost disposable. Their application has thus far been limited by the necessity of an expensive tunable laser. In this article, we present a novel sensor, eliminating the tunable laser by combining a sensitive Mach-Zehnder interferometer with a broadband light source and an on-chip spectral filter. By curve fitting the original Mach-Zehnder spectrum can be accurately reconstructed from the output of the spectral filter. Bulk sensing experiments yield a limit of detection comparable to conventional integrated photonic biosensors, paving the way for a more widespread range of application. Related Research Topics
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