A comparison between off and on-chip injection locking in a photonic integrated circuit

dc.contributor.authorPerrott, Alison H.
dc.contributor.authorCaro, Ludovic
dc.contributor.authorDernaika, Mohamad
dc.contributor.authorPeters, Frank H.
dc.contributor.funderScience Foundation Irelanden
dc.date.accessioned2019-10-26T06:52:52Z
dc.date.available2019-10-26T06:52:52Z
dc.date.issued2019-10-01
dc.description.abstractThe mutual and injection locking characteristics of two integrated lasers are compared, both on and off-chip. In this study, two integrated single facet slotted Fabry–Pérot lasers are utilised to develop the measurement technique used to examine the different operational regimes arising from optically locking a semiconductor diode laser. The technique employed used an optical spectrum analyser (OSA), an electrical spectrum analyser (ESA) and a high speed oscilloscope (HSO). The wavelengths of the lasers are measured on the OSA and the selected optical mode for locking is identified. The region of injection locking and various other regions of dynamical behaviour between the lasers are observed on the ESA. The time trace information of the system is obtained from the HSO and performing the FFT (Fast Fourier Transform) of the time traces returns the power spectra. Using these tools, the similarities and differences between off-chip injection locking with an isolator, and on-chip mutual locking are examined.en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleid103en
dc.identifier.citationPerrott, A. H., Caro, L., Dernaika, M. and Peters, F. H. (2019) 'A Comparison between off and On-Chip Injection Locking in a Photonic Integrated Circuit', Photonics, 6(4), 103. (14pp.) DOI: 10.3390/photonics6040103en
dc.identifier.doi10.3390/photonics6040103en
dc.identifier.eissn2304-6732
dc.identifier.endpage14en
dc.identifier.issued4en
dc.identifier.journaltitlePhotonicsen
dc.identifier.startpage1en
dc.identifier.urihttps://hdl.handle.net/10468/8874
dc.identifier.volume6en
dc.language.isoenen
dc.publisherMDPIen
dc.relation.projectinfo:eu-repo/grantAgreement/SFI/SFI Investigator Programme/13/IA/1960/IE/Injection locking within Photonic Integrated Circuits supporting high spectral density optical communications/en
dc.relation.urihttps://www.mdpi.com/2304-6732/6/4/103/htm
dc.rights©2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).en
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectSemiconductor lasersen
dc.subjectPhotonic integrated circuitsen
dc.subjectInjection lockingen
dc.subjectMutual couplingen
dc.titleA comparison between off and on-chip injection locking in a photonic integrated circuiten
dc.typeArticle (peer-reviewed)en
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