Journal
APPLIED PHYSICS LETTERS
Volume 102, Issue 25, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4812661
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Funding
- Volkswagen Foundation [I/84072]
- U.S. Air Force Office of Scientific Research (MURI) [FA9550-09-1-0550]
- DFG research unit [FOR 1713]
- China Scholarship Council (CSC) [2008617109]
- Alexander von Humboldt foundation
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A significant step towards integrated vertically rolled-up microcavities is demonstrated by interfacing an as-fabricated SiO2 microtube optical ring resonator with tapered fibers. In this transmission configuration, resonant filtering of optical signals at telecommunication wavelengths is shown in subwavelength thick walled microcavities. Moreover, we present a four-port add-drop filter based on a lifted doubly interfaced vertically rolled-up microcavity. Our work opens opportunities for vertical resonant light transfer in 3D multi-level optical data processing as well as for massively parallel optofluidic analysis of biomaterials in lab-on-a-chip systems. (C) 2013 AIP Publishing LLC.
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