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Authors: C. Lerma Arce, K. De Vos, T. Claes, K. Komorowska, D. Van Thourhout, P. Bienstman
Title: Silicon-on-insulator microring resonator sensor integrated on an optical fiber facet
Format: International Journal
Publication date: 4/2011
Journal/Conference/Book: IEEE Photonics Technology Letters
Volume(Issue): 23(13) p.890-892
Internal Reference: [N-1124]
Download: Download this Publication (366KB) (366KB)

Abstract

In recent years portable, sensitive and cheap sensors have gained interest in fields such as medical diagnostics, food quality control, environmental monitoring and drug development. Especially optical sensors in silicon-on-insulator have proven to be very promising, because they have a low limit of detection, are very compact and can be made with cheap mass fabrication techniques. While a lot of progress has been made to implement such sensors in small and easy to use cartridges, many applications require a sensor probe that can perform measurements at locations that are hard to reach. We introduce a method to integrate a silicon-on-insulator photonic sensor on the facet of a standard single-mode optical fiber, and apply this method to a well-known ring resonator refractive index sensor without deteriorating its sensitivity. We thus combined the good performance of silicon-on-insulator sensors with the high mobility of optical fibers.

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