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Nanopillar quantum well lasers directly grown on silicon and emitting at silicon-transparent wavelengths
Lu F.1; Bhattacharya I.1; Sun H.2; Tran T.-T.D.1; Ng K.W.1; Malheiros-Silveira G.N.1; Chang-Hasnain C.1
2017-07-20
Source PublicationOptica
ISSN23342536
Volume4Issue:7Pages:717-723
AbstractFuture expansion of computing capabilities relies on a reduction of energy consumption in silicon-based integrated circuits. A promising solution is to replace electrical wires with optical connections, for which a key component is a nanolaser that coherently emits into silicon-based waveguides to route information across a chip, in place of bulky off-chip devices. We report room temperature, sub-μm footprint, quantum-well-in-nanopillar lasers grown directly on silicon and silicon-on-insulator (SOI) substrates that emit within the silicon-transparent wavelength range under optical excitation. The laser wavelength is controlled by changing the InGaAs quantum well thickness and alloy composition, quite independent of lattice mismatch with the InP barrier, a unique property of the 3D core-shell growth mode. We achieve excellent luminescence yield and low continuous wave transparency power due to the well-passivated InGaAs/ InP interfaces. These sub-μm footprint long-wavelength lasers could enable optoelectronic integration and photon routing with silicon waveguides on the technologically relevant SOI platform.
KeywordIntegrated optics devices Quantum-well, -wire and -dot devices Semiconductor lasers Subwavelength structures, nanostructures Vertical emitting lasers
DOI10.1364/OPTICA.4.000717
URLView the original
Language英語
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Cited Times [WOS]:25   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.University of California, Berkeley
2.Tsinghua University
Recommended Citation
GB/T 7714
Lu F.,Bhattacharya I.,Sun H.,et al. Nanopillar quantum well lasers directly grown on silicon and emitting at silicon-transparent wavelengths[J]. Optica,2017,4(7):717-723.
APA Lu F..,Bhattacharya I..,Sun H..,Tran T.-T.D..,Ng K.W..,...&Chang-Hasnain C..(2017).Nanopillar quantum well lasers directly grown on silicon and emitting at silicon-transparent wavelengths.Optica,4(7),717-723.
MLA Lu F.,et al."Nanopillar quantum well lasers directly grown on silicon and emitting at silicon-transparent wavelengths".Optica 4.7(2017):717-723.
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