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High speed switching of a DFB grating in a twin-hole fibre
KTH, School of Information and Communication Technology (ICT), Centres, Zhejiang-KTH Joint Research Center of Photonics, JORCEP. KTH, School of Information and Communication Technology (ICT), Centres, Kista Photonics Research Center, KPRC.
KTH, School of Information and Communication Technology (ICT), Centres, Kista Photonics Research Center, KPRC. Acreo AB, Sweden .
KTH, School of Information and Communication Technology (ICT), Centres, Kista Photonics Research Center, KPRC. Acreo AB, Sweden .
2008 (English)In: Proceedings of SPIE - The International Society for Optical Engineering, 2008Conference paper, Published paper (Refereed)
Abstract [en]

A distributed-feedback (DFB) grating was written in twin-hole fibres with internal electrodes. Due to the intrinsic birefringence, the grating has two ultra-narrow peaks (∼0.41 pm and ∼0.27 pm) corresponding to x- and y-polarization. The separation between them can vary from 40 pm to 104 pm when the temperature increases from room temperature to 96°C. The dominant contributions of the Bragg wavelength shift as the increasing temperature are the change in refracitive index of the fibre and the expansion of the substrate (largest). Under the current pulses excitation, full on-off switching with response time ∼2.5 ns has been achieved for x-polarization of the DFB grating.

Place, publisher, year, edition, pages
2008.
Series
Proceedings of SPIE - The International Society for Optical Engineering, ISSN 0277-786X ; 7134
Keyword [en]
Birefringence, FB, Grating, Switching, Twin-hole fibre, Bragg wavelength shifts, Current pulse, Distributed feedbacks, Dominant contributions, High-speed switching, Internal electrodes, Intrinsic birefringences, Response time, Room temperatures, Temperature increase, Floating breakwaters, Polarization, Textile fibers
National Category
Other Physics Topics
Identifiers
URN: urn:nbn:se:kth:diva-154165DOI: 10.1117/12.803671Scopus ID: 2-s2.0-62449285987OAI: oai:DiVA.org:kth-154165DiVA: diva2:756140
Conference
Passive Components and Fiber-based Devices V, 27 October 2008 through 30 October 2008, Hangzhou
Note

QC 20141017

Available from: 2014-10-16 Created: 2014-10-14 Last updated: 2014-10-16Bibliographically approved

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Yu, ZhangweiFonjallaz, Pierre-YvesMargulis, Walter
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