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

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dc.contributor.author Perrott, Alison H.
dc.contributor.author Caro, Ludovic
dc.contributor.author Dernaika, Mohamad
dc.contributor.author Peters, Frank H.
dc.date.accessioned 2019-10-26T06:52:52Z
dc.date.available 2019-10-26T06:52:52Z
dc.date.issued 2019-10-01
dc.identifier.citation Perrott, 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/photonics6040103 en
dc.identifier.volume 6 en
dc.identifier.issued 4 en
dc.identifier.startpage 1 en
dc.identifier.endpage 14 en
dc.identifier.uri http://hdl.handle.net/10468/8874
dc.identifier.doi 10.3390/photonics6040103 en
dc.description.abstract The 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.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher MDPI en
dc.relation.uri https://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.uri http://creativecommons.org/licenses/by/4.0/ en
dc.subject Semiconductor lasers en
dc.subject Photonic integrated circuits en
dc.subject Injection locking en
dc.subject Mutual coupling en
dc.title A comparison between off and on-chip injection locking in a photonic integrated circuit en
dc.type Article (peer-reviewed) en
dc.internal.authorcontactother Alison Perrott, Tyndall National Institute, University College Cork, Cork, Ireland. +353-21-490-3000 Email:alison.perrott@tyndall.ie en
dc.internal.availability Full text available en
dc.description.version Published Version en
dc.contributor.funder Science Foundation Ireland en
dc.description.status Peer reviewed en
dc.identifier.journaltitle Photonics en
dc.internal.IRISemailaddress alison.perrott@tyndall.ie en
dc.identifier.articleid 103 en
dc.relation.project info: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.identifier.eissn 2304-6732


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©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/). Except where otherwise noted, this item's license is described as ©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/).
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