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Experimental Demonstration of Single Mode-Splitting in Microring With Bragg Gratings
KTH, Skolan för elektro- och systemteknik (EES), Elektroteknisk teori och konstruktion. KTH, Skolan för informations- och kommunikationsteknik (ICT), Centra, Zhejiang-KTH Joint Research Center of Photonics, JORCEP.
2015 (engelsk)Inngår i: IEEE Photonics Technology Letters, ISSN 1041-1135, E-ISSN 1941-0174, Vol. 27, nr 13, s. 1402-1405Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

We demonstrate single mode-splitting in two types of microring resonators with Bragg gratings. In the first device type, gratings are periodically embedded to the inner wall of the microring resonator. By adjusting the reflection coefficient of the grating and the self-coupling coefficient between the waveguide and microring, experimental results show that the distance between the splitting dips can vary from 0 to more than 1 nm. In the second device type, Bragg gratings break into two identical parts with a pi phase shift between them. The center peak in the mode-splitting spectrum has a full-width at half-maximum of 0.1 nm. The spectra can also be a Fano-type transmission, when the phase shift deviates from pi.

sted, utgiver, år, opplag, sider
2015. Vol. 27, nr 13, s. 1402-1405
Emneord [en]
Optical mode splitting, optical resonators, Bragg gratings, silicon photonics
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-169947DOI: 10.1109/LPT.2015.2422731ISI: 000355937100013OAI: oai:DiVA.org:kth-169947DiVA, id: diva2:826919
Forskningsfinansiär
Swedish Research Council, 621-2011-4620
Merknad

QC 20150626

Tilgjengelig fra: 2015-06-26 Laget: 2015-06-25 Sist oppdatert: 2017-12-04bibliografisk kontrollert

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