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Widely tunable directional coupler filters with 1D photonic crystal
KTH, School of Information and Communication Technology (ICT), Microelectronics and Information Technology, IMIT. KTH, School of Information and Communication Technology (ICT), Centres, Kista Photonics Research Center, KPRC.
Polish Academy of Sciences, Poland .
KTH, School of Information and Communication Technology (ICT), Microelectronics and Information Technology, IMIT. KTH, School of Information and Communication Technology (ICT), Centres, Kista Photonics Research Center, KPRC.
KTH, School of Information and Communication Technology (ICT), Microelectronics and Information Technology, IMIT. KTH, School of Information and Communication Technology (ICT), Centres, Kista Photonics Research Center, KPRC.
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2005 (English)In: 2005 7th International Conference on Transparent Optical Networks, Vol 1, Proceedings, IEEE , 2005, 136-139 p.Conference paper, Published paper (Refereed)
Abstract [en]

We present two concept examples for adding a wide range tunability to Si/SiO2 devices involving a photonic crystal element. They are based on a directional coupler filter of two different geometries, where one of the arms is a Bragg Reflection Waveguide (BRW) used for the bandwidth improvement. The tuning relies on changing the properties of the BRW core. As an illustration we consider the smectic A* liquid crystal as the core material and show that ca 100 nm tuning range is achievable by the core index variations of 0.006 under applying electric field of 5 V/mu m.

Place, publisher, year, edition, pages
IEEE , 2005. 136-139 p.
Keyword [en]
optical filters, directional couplers, Bragg reflection waveguides, photonic crystal, liquid crystals, electrical tuning
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-43133DOI: 10.1109/ICTON.2005.1505769ISI: 000234111300029Scopus ID: 2-s2.0-33745725823ISBN: 978-078039236-6 (print)OAI: oai:DiVA.org:kth-43133DiVA: diva2:448520
Conference
2005 7th International Conference on Transparent Optical Networks, ICTON 2005; Barcelona, Catalonia; Spain; 3 July 2005 through 7 July 2005
Note

QC 20111017

Available from: 2011-10-17 Created: 2011-10-13 Last updated: 2014-12-01Bibliographically approved

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Jaskorzynska, BozenaZawistowski, JacekDainese, MatteoCardin, JulienThylén, Lars
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