Towards optical communication on silicon chips

Risultati finali

Measurement SOA gain spectrum

Measurement of the gain spectrum of an optically pumped HexSiGe Semiconductor Optical Amplifier SOA

Growth of a low dark current p-n junction

Growth of a HexSiGe pn junction with shows low dark current in a currentvoltage characterization plot

Passivation and contacts

Improved surface passivation TUe contact formation IBM and electrical characterization see description WP1

Growth of nominally undoped Hex-SiGe

Growth of nominally undoped HexSiGe n1017cm3 by growing the HexSiGe in a dedicated newly purchased MBE system

Measurement absorption spectrum of Hex-SiGe

TUe and TUM will measure the absorption spectrum and its polarization dependence for different light propagation directions of both strained and unstrained HexSiGe with photocurrent or integrating sphere spectroscopy using our supercontinuum laser source

Optically pumped Hex-SiGe QW laser

Optically pumped HexSi1xGexSi1yGey yx quantum well laser using radial quantum wells see Fig 6

Organization of an international symposium on Hex-SiGe

We will organize an international symposium on hexSiGe in year 2 in order to increase the awareness on this new material for groups outside of our consortium

Growth of an Au-free NW template on Si(111) or Ge(111)

MBE growth of an Aufree nanowire template on Si111 or Ge111 We propose to grow purely wurtzite GaAs nanowires on a patterned Si111 or Ge111 substrate by using a gallium catalyst nanoparticle

Carrier dynamics in strained QWs

Report on carrier dynamics in HexSi1xGexSi1yGey yx quantum wells See description WP4

Growth of Hex-SiGe quantum wells

Realization of HexSi1xGexSi1yGey yx quantum wells see Fig 6b We will grow HexSi1xGexSi1yGey yx QWs in close collaboration with WP1 and WP2 confirm the 2D nature of the electronic states and establish key structureproperty relationships

Public web page + logo

Set up project web page Finalize the project logo

Data management plan

The data management plan will describe where we will store the relevant data during the project as well as after publication

Pubblicazioni

Stimulated emission from hexagonal silicon-germanium nanowires

Autori: Marvin A. J. van Tilburg, Riccardo Farina, Victor T. van Lange, Wouter H. J. Peeters, Steffen Meder, Marvin M. Jansen, Marcel A. Verheijen, M. Vettori, Jonathan J. Finley, Erik. P. A. M. Bakkers, Jos. E. M. Haverkort
Pubblicato in: Communications Physics, Numero 7, 2024, Pagina/e 328, ISSN 2399-3650
Editore: Springer Nature publishing
DOI: 10.1038/s42005-024-01824-1

Onset of uncontrolled polytypism during the Au-catalyzed growth of wurtzite GaAs nanowires

Autori: Wouter H. J. Peeters, Marco Vettori, Elham M. T. Fadaly, Alexandre Danescu, Chenyang Mao, Marcel A. Verheijen, Erik P. A. M. Bakkers
Pubblicato in: Physical Review Materials, Numero 8, 2024, Pagina/e L020401-1, ISSN 2475-9953
Editore: American Physical Society
DOI: 10.1103/physrevmaterials.8.l020401

Autori: Laetitia Vincent,* Elham M. T. Fadaly, Charles Renard, Wouter H. J. Peeters, Marco Vettori, Federico Panciera, Daniel Bouchier, Erik P. A. M Bakkers, and Marcel A. Verheijen
Pubblicato in: Advanced Materials Interfaces, 2022, ISSN 2196-7350
Editore: Wiley VCH
DOI: 10.1002/admi.202102340

Hexagonal silicon−germanium nanowire branches with tunable composition

Autori: A Li, H I T Hauge, M A Verheijen, E P A M Bakkers, R T Tucker, L Vincent and C Renard
Pubblicato in: Nanotechnology, Numero 09574484, 2022, ISSN 0957-4484
Editore: Institute of Physics Publishing
DOI: 10.1088/1361-6528/ac9317

Continuous Wave Mid‐Infrared Lasing from Single InAs Nanowires Grown on Silicon

Autori: Steffen Meder, Benjamin Haubmann, Fabio del Giudice, Paul Schmiedeke, David Busse, Jona Zöllner, Jonathan J. Finley, Gregor Koblmüller
Pubblicato in: Advanced Functional Materials, Numero 2414046, 2024, Pagina/e 1-9, ISSN 1616-301X
Editore: John Wiley & Sons Ltd.
DOI: 10.1002/adfm.202414046

Giant Optical Oscillator Strengths in Perturbed Hexagonal Germanium

Autori: Abderrezak Belabbes, Friedhelm Bechstedt, Silvana Botti
Pubblicato in: physica status solidi – Rapid Research Letters 16(4), Numero 31-12-2021, 2021, ISSN 1862-6254
Editore: Wiley - VCH Verlag GmbH & CO. KGaA
DOI: 10.1002/pssr.202100555

Ensemble averages of ab initio optical, transport, and thermoelectric properties of hexagonal SixGe1−x alloys

Autori: Pedro Borlido, Friedhelm Bechstedt, Silvana Botti, Claudia Rödl
Pubblicato in: Phys.Rev.Materials, Numero 7, 2023, Pagina/e 014602, ISSN 2475-9953
Editore: American Physical Society
DOI: 10.1103/physrevmaterials.7.014602

Low Surface Recombination in Hexagonal SiGe Alloy Nanowires: Implications for SiGe-Based Nanolasers

Autori: Wilhelmus J. H. (Willem-Jan) Berghuis, Marvin A. J. van Tilburg, Wouter H. J. Peeters, Victor T. van Lange, Riccardo Farina, Elham M. T. Fadaly, Elsa C. M. Renirie, Roel J. Theeuwes, Marcel. A. Verheijen, Bart Macco, Erik P. A. M. Bakkers, Jos E. M. Haverkort, Wilhelmus M. M. (Erwin) Kessels
Pubblicato in: ACS Appl. Nano Mater., Numero 7 issue 2, 2024, Pagina/e 2343–2351, ISSN 2574-0970
Editore: American Chemical Society
DOI: 10.1021/acsanm.3c05770

Nanosecond Carrier Lifetime of Hexagonal Ge

Autori: Victor T. van Lange, Alain Dijkstra, Elham M. T. Fadaly, Wouter H. J. Peeters, Marvin A. J. van Tilburg, Erik P. A. M. Bakkers, Friedhelm Bechstedt, Jonathan J. Finley, Jos E. M. Haverkort
Pubblicato in: ACS Photonics, Numero 11, 2024, Pagina/e 4258-4267, ISSN 2330-4022
Editore: American Chemical Society
DOI: 10.1021/acsphotonics.4c01135

Carrier cooling in direct bandgap hexagonal silicon-germanium nanowires

Autori: M. F. Schouten, M. A. J. van Tilburg, V. T. van Lange, W. H. J. Peeters, R. Farina, M. M. Jansen, M. Vettori, E. P. A. M. Bakkers, J. E. M. Haverkort
Pubblicato in: Applied Physics Letters, Numero 125, 2024, Pagina/e 112106, ISSN 0003-6951
Editore: American Institute of Physics
DOI: 10.1063/5.0211035

2H–Si/Ge for Group-IV Photonics: on the Origin of Extended Defects in Core–Shell Nanowires

Autori: Fabrizio Rovaris, Wouter H. J.Peeters, Anna Marzegalli, Frank Glas, Laetitia Vincent, Leo Miglio, Erik P.A.M. Bakkers, Marcel A. Verheijen and Emilio Scalise
Pubblicato in: ACS Appl. Nano Mater., Numero 7, 2024, Pagina/e 9396–9402, ISSN 2574-0970
Editore: American Chemical Society
DOI: 10.1021/acsanm.4c00835

Band lineup at hexagonal SixGe1−x/SiyGe1−y alloy interfaces

Autori: Abderrezak Belabbes, Silvana Botti, Friedhelm Bechstedt
Pubblicato in: Physical Review B, Numero 24699950, 2022, Pagina/e 085303, ISSN 2469-9950
Editore: American Physical Society (APS)
DOI: 10.1103/physrevb.106.085303

Direct bandgap quantum wells in hexagonal Silicon Germanium

Autori: Erik Bakkers, Wouter Peeters, Victor Lange, Abderrezak Belabbes, Max van Hemert, Marvin Jansen, Riccardo Farina, Marvin Tilburg, Marcel Verheijen, Silvana Botti, Friedhelm Bechstedt, Jos Haverkort
Pubblicato in: Nature Communications, Numero 15, 2024, Pagina/e 5252, ISSN 2041-1723
Editore: Nature Publishing Group
DOI: 10.21203/rs.3.rs-3875137/v1

First-principles insight in structure-property relationships of hexagonal Si and Ge polytypes

Autori: Martin Keller; Abderrezak Belabbes; Jürgen Furthmüller; Friedhelm Bechstedt; Silvana Botti
Pubblicato in: Phys.Rev Materials, Numero 7, 2023, Pagina/e 064601-1-15, ISSN 2475-9953
Editore: American Physical Society
DOI: 10.1103/physrevmaterials.7.064601

Risultati finali

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