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- Publications
- Influence
Light hadrons from lattice QCD with light (u, d), strange and charm dynamical quarks
- R. Baron, P. Boucaud, +17 authors E. collaboration
- Physics
- 29 April 2010
We present results of lattice QCD simulations with mass-degenerate up and down and mass-split strange and charm (Nf = 2 + 1 + 1) dynamical quarks using Wilson twisted mass fermions at maximal twist.… Expand
Band structure and optical gain of tensile-strained germanium based on a 30 band k⋅p formalism
- M. E. Kurdi, G. Fishman, S. Sauvage, P. Boucaud
- Physics
- 13 January 2010
We have investigated the band structure of tensile-strained germanium using a 30 band k⋅p formalism. This multiband formalism allows to simultaneously describe the valence and conduction bands,… Expand
Dynamical twisted mass fermions with light quarks: simulation and analysis details
- P. Boucaud, P. Dimopoulos, +15 authors U. Wenger
- Physics, Computer Science
- Comput. Phys. Commun.
- 3 March 2008
In a recent paper [ETMC, P. Boucaud et al., Phys. Lett. B 650 (2007) 304, hep-lat/0701012] we presented precise lattice QCD results of our European Twisted Mass Collaboration (ETMC). They were… Expand
Computing K and D meson masses with Nf=2+1+1 twisted mass lattice QCD
- R. Baron, P. Boucaud, +12 authors U. Wenger
- Physics, Computer Science
- Comput. Phys. Commun.
- 12 May 2010
We discuss the computation of the mass of the K and D mesons within the framework of N-f = 2 + 1 + 1 twisted mass lattice QCD from a technical point of view. These quantities are essential, already… Expand
All-Around SiN Stressor for High and Homogeneous Tensile Strain in Germanium Microdisk Cavities
- A. Ghrib, M. E. Kurdi, +7 authors P. Boucaud
- Chemistry
- 1 March 2015
emitter into an effi cient emitter-like III–V semiconductors. There is no need a priori to reach the direct-band gap regime to demonstrate a Ge laser source. The fi rst Ge laser demonstration was… Expand
Two-dimensional photonic crystals with large complete photonic band gaps in both TE and TM polarizations.
- F. Wen, S. David, X. Checoury, M. El Kurdi, P. Boucaud
- Medicine, Physics
- Optics express
- 4 August 2008
Photonic crystals exhibiting a photonic band gap in both TE and TM polarizations are particularly interesting for a better control of light confinement. The simultaneous achievement of large band… Expand
Tensile-strained germanium microdisks
- A. Ghrib, M. E. Kurdi, +6 authors P. Boucaud
- Physics
- 6 June 2013
We show that a strong tensile strain can be applied to germanium microdisks using silicon nitride stressors. The transferred strain allows one to control the direct band gap emission that is shifted… Expand
Recent advances in germanium emission [Invited]
- P. Boucaud, M. E. Kurdi, +11 authors R. Ossikovski
- Materials Science
- 1 October 2013
The optical properties of germanium can be tailored by combining strain engineering and n-type doping. In this paper, we review the recent progress that has been reported in the study of germanium… Expand
Enhanced photoluminescence of heavily n-doped germanium
- M. E. Kurdi, T. Kociniewski, +6 authors D. Bensahel
- Physics
- 14 May 2009
We show that a significant enhancement of the direct band gap photoluminescence can be achieved at room temperature in bulk Ge and Ge-on-insulator heavily n-doped by gas immersion laser doping. The… Expand
Direct Band Gap Germanium Microdisks Obtained with Silicon Nitride Stressor Layers
- M. E. Kurdi, M. Prost, +7 authors P. Boucaud
- Physics
- 12 February 2016
Germanium is an ideal candidate to achieve a monolithically integrated laser source on silicon. Unfortunately bulk germanium is an indirect band gap semiconductor. Here, we demonstrate that a thick… Expand