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Two-dimensional photonic crystal surface-mode cavity in amorphous silicon-on-silica structure
KTH, School of Information and Communication Technology (ICT), Microelectronics and Applied Physics, MAP. (Laboratory of Optics, Photonics and Quantum Electronics)
KTH, School of Information and Communication Technology (ICT), Microelectronics and Applied Physics, MAP. (Laboratory of Optics, Photonics and Quantum Electronics)
KTH, School of Information and Communication Technology (ICT), Microelectronics and Applied Physics, MAP. (Laboratory of Optics, Photonics and Quantum Electronics)ORCID iD: 0000-0001-5967-2651
KTH, School of Information and Communication Technology (ICT), Microelectronics and Applied Physics, MAP. (Laboratory of Optics, Photonics and Quantum Electronics)ORCID iD: 0000-0003-2136-4914
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2007 (English)Conference paper, Published paper (Refereed)
Abstract [en]

We have recently demonstrated an optical filter based on side coupling between silicon wire waveguide and two-dimensional photonic crystal surface-mode cavity. The design is first optimized numerically by parallel three-dimensional finite-different time-domain simulations. The device is then fabricated using electron-beam lithography and plasma etching on amorphous silicon-on-silica structure. The drop wavelength is observed around 1580nm. The extinction ratio of the filter is larger than 10dB and the intrinsic quality factor of the surface-mode cavity is approximately 2,000. The quality factor can be improved by optimization of fabrication procedures as well as cavity design to eliminate multi-mode behavior.

Place, publisher, year, edition, pages
2007.
Keyword [en]
Photonic crystal, surface-mode cavity, silicon-on-silica
National Category
Natural Sciences
Research subject
SRA - ICT
Identifiers
URN: urn:nbn:se:kth:diva-86256OAI: oai:DiVA.org:kth-86256DiVA: diva2:500576
Conference
The Seventh International Symposium on Photonic and Electromagnetic Crystal Structures (PECS-VII). Monterey, California. April 8-11, 2007
Note
QC 20120516Available from: 2012-02-13 Created: 2012-02-13 Last updated: 2012-05-16Bibliographically approved

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Wosinski, LechSwillo, Marcin

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Zhang, ZiyangDainese, MatteoWosinski, LechSwillo, MarcinQiu, Min
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CiteExportLink to record
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