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Optical imaging of strain in two-dimensional crystals

Strain is an effective tool to tune the optoelectronic properties of two-dimensional materials. Here, the authors demonstrate that second harmonic generation can be used to extract the full strain tensor of MoS₂ and to spatially image its two-dimensional strain field.

Lukas Mennel
Marco M. Furchi
Thomas Mueller
ResearchOpen Access06 Feb 2018
Nature Communications

Volume: 9, P: 1-6
Solar-energy conversion and light emission in an atomic monolayer p–n diode

A p–n junction is fabricated in a monolayer of WSe₂, which can be used as a solar cell, a photodiode and a light-emitting diode.

Andreas Pospischil
Marco M. Furchi
Thomas Mueller
Research09 Mar 2014
Nature Nanotechnology

Volume: 9, P: 257-261
CMOS-compatible graphene photodetector covering all optical communication bands

A CMOS-compatible photodetector based on graphene with multi-gigahertz operation ranging from the O- to U-band of telecommunication bands is demonstrated, highlighting the promise of graphene as a new material for integrated photonics.

Andreas Pospischil
Markus Humer
Thomas Mueller
Research15 Sept 2013
Nature Photonics

Volume: 7, P: 892-896
A MoTe₂-based light-emitting diode and photodetector for silicon photonic integrated circuits

Optical interconnect components based on bilayer MoTe₂ p–n junctions can be directly integrated with silicon photonics

Ya-Qing Bie
Gabriele Grosso
Pablo Jarillo-Herrero
Research23 Oct 2017
Nature Nanotechnology

Volume: 12, P: 1124-1129
Tunable and high-purity room temperature single-photon emission from atomic defects in hexagonal boron nitride

Inhomogeneous spectral distribution and multi-photon emission are currently hindering the use of defects in layered hBN as reliable single photon emitters. Here, the authors demonstrate strain-controlled wavelength tuning and increased single photon purity through suitable material processing.

Gabriele Grosso
Hyowon Moon
Dirk Englund
ResearchOpen Access26 Sept 2017
Nature Communications

Volume: 8, P: 1-8
Device physics of van der Waals heterojunction solar cells

Marco M. Furchi
Florian Höller
Thomas Mueller
ResearchOpen Access19 Feb 2018
npj 2D Materials and Applications

Volume: 2, P: 1-7

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Optical imaging of strain in two-dimensional crystals

Solar-energy conversion and light emission in an atomic monolayer p–n diode

CMOS-compatible graphene photodetector covering all optical communication bands

A MoTe2-based light-emitting diode and photodetector for silicon photonic integrated circuits

Tunable and high-purity room temperature single-photon emission from atomic defects in hexagonal boron nitride

Device physics of van der Waals heterojunction solar cells

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A MoTe₂-based light-emitting diode and photodetector for silicon photonic integrated circuits