Zobrazeno 1 - 10
of 22
pro vyhledávání: '"G. Herve´-Gruyer"'
Publikováno v:
Optical and Quantum Electronics. 29:651-660
This paper presents a self-consistent 1-D multiquantum-well laser simulation in which, for the first time, the Schro¨dinger equation is solved over the whole quantum-well zone, taking into account well-to-well coupling. The computed light-intensity
Publikováno v:
IEEE Photonics Technology Letters. 11:111-113
Beam propagation method simulation shows that evanescently coupled waveguide/photodiodes can be optimized to have absorption lengths as short as butt-coupled photodiodes. Efficient focalization of optical power in the absorber is achievable by approp
Autor:
G. Herve-Gruyer, M. Filoche, S. Chelles, J.-Y. Martin, A. Ougazzaden, G. Debaisieux, M. Guemmouri
Publikováno v:
IEEE Photonics Technology Letters. 9:1475-1477
Experimental gain spectra of two strained multiquantum-well (MQW) optical amplifiers are compared to theoretical results obtained from Fermi's golden rule and a four-band k/spl middot/p method. Good agreement is found for both TE and TM modes on each
Autor:
A. Carenco, S. Francois, S. Fouchet, N. Bouadma, M. Carre, A. Ougazzaden, G. Herve-Gruyer, M. Filoche
Publikováno v:
IEEE Photonics Technology Letters. 7:780-782
We report here on the design and the first realization of a grating-assisted horizontal directional coupler filter exhibiting a highly reduced polarization sensitivity. The filter, which is based on InP-InGaAsP materials, is particularly suitable for
Publikováno v:
IEE Proceedings - Optoelectronics. 141:296-298
InP/InGaAsP diluted multiquantum well waveguides have been developed for butt-coupling with cleaved standard single-mode fibres of 11 mu m diameter. Coupling losses per facet as low as -1.2 dB, with -1 dB alignment tolerances of +or-2.5 mu m, have be
Publikováno v:
IEEE Photonics Technology Letters. 6:522-524
A spot-size transformer structure is proposed for InP/InGaAsP double-heterostructure (DH) rib waveguide. Vertical expansion of a factor of 7 is achieved with 3 dB internal loss. Coupling from standard cleaved fibre (11 /spl mu/m diameter mode) to a D
Publikováno v:
Proceedings of IEEE 14th International Semiconductor Laser Conference.
Summary form only given. In this paper a monolithic integration of a laser diode with a polymeric based waveguide is reported as a first step in developing a monolithically integrated multi-wavelength DFB laser array with a passive polymeric optical
Autor:
G. Herve-Gruyer, M. Filoche, A. Ougazzaden, S. Francois, F. Huet, J. Brandon, N. Bouadma, S. Fouchet, A. Carenco, M. Carre
Publikováno v:
Electronics Letters. 31:2002-2003
The authors report the design and first realisation of a grating-assisted horizontal directional coupler filter exhibiting a highly reduced polarisation sensitivity (below 1 dB on the filtered channel) and a high sidelobe suppression ratio (>25 dB fo
Autor:
G. Herve-Gruyer
Publikováno v:
Electronics Letters. 26:2137
Autor:
G. Herve-Gruyer
Publikováno v:
Electronics Letters. 26:1338
A new operator, based on an iterative algorithm, which approximates the field in a discontinuity plane from the incident field is presented. Its accuracy is compared with similar models with a simulation example. A clear improvement of the accuracy i