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Size Scaling of Photonic Crystal Surface Emitting Lasers on Silicon Substrates
Univ Texas Arlington, Dept Elect Engn, Arlington, TX 76019 USA..
Univ Texas Arlington, Dept Elect Engn, Arlington, TX 76019 USA..
Univ Texas Arlington, Dept Elect Engn, Arlington, TX 76019 USA..
KTH, School of Information and Communication Technology (ICT).
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2018 (English)In: IEEE Photonics Journal, ISSN 1097-5764, E-ISSN 1943-0655, Vol. 10, no 3, article id 4500506Article in journal (Refereed) Published
Abstract [en]

We report here the lateral cavity size scaling and confinement effects on the lasing performance in defect-free photonic crystal surface-emitting lasers (PCSEL) on silicon substrates Hybrid PCSELs with different lateral cavity sizes and different lateral confinement geometries have been fabricated using transfer printing technology and controlled selective etching The measured lasing properties show a strong dependence on the lateral cavity size below 100 mu m. In particular, the finite lateral dimension significantly affects the laser threshold and side mode suppression ratio (SMSR) of the PCSEL devices On the other hand, by controlling the lateral confinement using vertical etching, a reduction of the laser threshold is observed The experimental results agree well with theoretical predictions The work presented here can lead to ultra-compact PCSELs for on-chip integration with excellent energy efficiency.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2018. Vol. 10, no 3, article id 4500506
Keywords [en]
Photonic crystals, silicon photonics, lasers, heterogeneous
National Category
Atom and Molecular Physics and Optics
Identifiers
URN: urn:nbn:se:kth:diva-229005DOI: 10.1109/JPHOT.2018.2829900ISI: 000432477300001Scopus ID: 2-s2.0-85046337132OAI: oai:DiVA.org:kth-229005DiVA, id: diva2:1211726
Funder
Swedish Research Council
Note

QC 20180531

Available from: 2018-05-31 Created: 2018-05-31 Last updated: 2018-05-31Bibliographically approved

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Hammar, Mattias

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