Wavelength stability in a hybrid photonic crystal laser through controlled nonlinear absorptive heating in the reflector

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dc.contributor.authorBakoz, Andrei P.
dc.contributor.authorLiles, Alexandros A.
dc.contributor.authorGonzalez-Fernandez, Alfredo A.
dc.contributor.authorHabruseva, Tatiana
dc.contributor.authorHu, Changyu
dc.contributor.authorViktorov, Evgeny A.
dc.contributor.authorHegarty, Stephen P.
dc.contributor.authorO'Faolain, Liam
dc.contributor.funderScottish Government
dc.contributor.funderEuropean Research Council
dc.contributor.funderEngineering and Physical Sciences Research Council
dc.contributor.funderScience Foundation Ireland
dc.date.accessioned2018-08-29T15:47:19Z
dc.date.available2018-08-29T15:47:19Z
dc.date.issued2018
dc.description.abstractThe need for miniaturized, fully integrated semiconductor lasers has stimulated significant research efforts into realizing unconventional configurations that can meet the performance requirements of a large spectrum of applications, ranging from communication systems to sensing. We demonstrate a hybrid, silicon photonics-compatible photonic crystal (PhC) laser architecture that can be used to implement cost-effective, high-capacity light sources, with high side-mode suppression ratio and milliwatt output output powers. The emitted wavelength is set and controlled by a silicon PhC cavity-based reflective filter with the gain provided by a III-V-based reflective semiconductor optical amplifier (RSOA). The high power density in the laser cavity results in a significant enhancement of the nonlinear absorption in silicon in the high Q-factor PhC resonator. The heat generated in this manner creates a tuning effect in the wavelength-selective element, which can be used to offset external temperature fluctuations without the use of active cooling. Our approach is fully compatible with existing fabrication and integration technologies, providing a practical route to integrated lasing in wavelength-sensitive schemes.en
dc.description.sponsorshipScience Foundation Ireland (16/ERCS/3838); Engineering and Physical Sciences Research Council (EP/L505079/1, EP/L017008/1); Scottish Government (Scottish Enterprise)en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleid39
dc.identifier.citationBakoz, A. P., Liles, A. A., Gonzalez-Fernandez, A. A., Habruseva, T., Hu, C., Viktorov, E. A., Hegarty, S. P. and O’Faolain, L. (2018) 'Wavelength stability in a hybrid photonic crystal laser through controlled nonlinear absorptive heating in the reflector', Light: Science & Applications, 7(1), 39 (7pp). doi: 10.1038/s41377-018-0043-8en
dc.identifier.doi10.1038/s41377-018-0043-8
dc.identifier.endpage7
dc.identifier.issn2047-7538
dc.identifier.journaltitleLight: Science and Applicationsen
dc.identifier.startpage1
dc.identifier.urihttps://hdl.handle.net/10468/6659
dc.identifier.volume7
dc.language.isoenen
dc.publisherNature Publishing Groupen
dc.relation.projectinfo:eu-repo/grantAgreement/EC/FP7::SP2::ERC/337508/EU/DAtacommunications based on NanophotoniC Resonators/DANCER
dc.relation.projectinfo:eu-repo/grantAgreement/SFI/SFI Research Centres/12/RC/2276/IE/I-PIC Irish Photonic Integration Research Centre/
dc.relation.urihttps://www.nature.com/articles/s41377-018-0043-8
dc.rights© 2018, the Author(s). Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.en
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectWave-guideen
dc.subjectSilicon photonicsen
dc.subjectOptical interconnectsen
dc.subjectModulatoren
dc.subjectCavityen
dc.subjectPoweren
dc.subjectChipen
dc.subjectLithographyen
dc.titleWavelength stability in a hybrid photonic crystal laser through controlled nonlinear absorptive heating in the reflectoren
dc.typeArticle (peer-reviewed)en
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