Benjamin Dwir

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Publications associées (65)

RETRACTED: Polarization-entangled photons produced with high-symmetry site-controlled quantum dots

Elyahou Kapon, Alok Rudra, Benjamin Dwir, Pascal Gallo, Jérôme Faist, Marco Felici, Arun Mohan

Nature Publishing Group2010

Record-Low Inhomogeneous Broadening of Site-Controlled Quantum Dots for Nanophotonics

Elyahou Kapon, Alok Rudra, Benjamin Dwir, Pascal Gallo, Jérôme Faist, Marco Felici, Arun Mohan

Wiley-Blackwell2010

Controlled Positioning of Carbon Nanotubes by Dielectrophoresis : Insights into the Solvent and Substrat Role

Elyahou Kapon, Benjamin Dwir, László Forró, Arnaud Magrez, Martial Duchamp

We demonstrate the ability to precisely control the deposition of a defined number of carbon nanotubes (CNTs) from solution onto microfabricated electrodes using dielectrophoresis. The solvation shelf around the CNTs, exhibiting a high dielectric constant ...

2010

1D photonic band formation and photon localization in finite-size photonic-crystal waveguides

Elyahou Kapon, Alok Rudra, Benjamin Dwir, Pascal Gallo, Kirill Atlasov, Marco Felici

2010

Dense arrays of pyramidal quantum dots with narrow linewidth photoluminescence spectra

Elyahou Kapon, Alok Rudra, Benjamin Dwir, Pascal Gallo, Alessandro Surrente, Marco Felici

Arrays of site-controlled, pyramidal InGaAs/GaAs quantum dots (QDs) grown by organo-metallic chemical vapour deposition with densities comparable to those of self-assembled QDs (5 x 109 cm(-2)) are demonstrated. The QDs exhibit high quality photoluminescen ...

2009

Photonic-crystal microcavity laser with site-controlled quantum-wire active medium

Elyahou Kapon, Alok Rudra, Benjamin Dwir, Pascal Gallo, Kirill Atlasov, Milan Calic

Site-controlled quantum-wire photonic-crystal microcavity laser is experimentally demonstrated using optical pumping. The single-mode lasing and threshold are established based on the transient laser response, linewidth narrowing, and the details of the no ...

2009

Effect of sidewall passivation in BCl3/N2 inductively coupled plasma etching of two-dimensional GaAs photonic crystals

Elyahou Kapon, Alok Rudra, Benjamin Dwir, Pascal Gallo, Kirill Atlasov

The effect of surface passivation in BCl3/N-2 inductively coupled plasma reactive-ion etching of GaAs-based photonic crystals (PhCs) was investigated. It is shown that sidewall passivation is crucial for achieving cylindrical, vertical PhC holes, where the ...

2009

Theory and experiment of step bunching on misoriented GaAs (001) during metallorganic vapor-phase epitaxy

Elyahou Kapon, Alok Rudra, Benjamin Dwir

AIP American Institute of Physics2008

Narrow inhomogeneous broadening of V-groove quantum wires grown on vicinal substrates

Elyahou Kapon, Alok Rudra, Benjamin Dwir, Daniel Oberli, Pascal Gallo, Nicolas Moret

Significant reduction in inhomogeneous broadening of GaAs/AlGaAs V- groove quantum wires (QWRs) is achieved by growing them on vicinal (001) GaAs substrates misaligned by several degrees with respect to the [1 (1) over bar0] groove direction. Low temperatu ...

American Institute of Physics2008

Integration of site-controlled pyramidal quantum dots and photonic crystal membrane cavities

Elyahou Kapon, Alok Rudra, Benjamin Dwir, Pascal Gallo, Kirill Atlasov, Marco Felici, Arun Mohan

AIP American Institute of Physics2008

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