Zobrazeno 1 - 7
of 7
pro vyhledávání: '"D. A. O. Davies"'
Autor:
Richard V. Penty, I. E. Day, P. A. Snow, R. S. Grant, M. A. Fisher, Ian H. White, Gordon T. Kennedy, D. A. O. Davies, Wilson Sibbett, Michael J. Adams
Publikováno v:
Applied Physics Letters. 65:2657-2659
The refractive nonlinearities due to bandfilling and the plasma effect in a multiquantum well buried heterostructure semiconductor waveguide under reverse bias are probed using self‐phase modulation techniques. Modeling of the self‐phase modulati
Autor:
P. A. Snow, I. E. Day, R. V. Penty, Z. Jiang, I. H. White, D. A. O. Davies, M. A. Fisher, M. J. Adams
Publikováno v:
1994 Conference on Lasers and Electro-Optics Europe.
In recent years there has been much interest in all-optical switching in nonlinear semi-conductor waveguides, because of their potential for high-speed switching. To date much of the published work on all optical switching at wavelengths around 1.55
Publikováno v:
Optical Amplifiers and Their Applications.
A 1 to 4 optical switch with integrated twin-guide semiconductor laser amplifiers has been fabricated and exhibits 0 dB fibre-to-fibre loss for all four paths.
Autor:
Robert J. Manning, D. A. O. Davies
Publikováno v:
Optics Letters. 19:889
We describe the operation of a semiconductor laser amplifier as a nonlinear element, using a novel three-wavelength configuration, which enhances the recovery rate of the nonlinear refractive index and permits choice of its sign and magnitude. Simple
Publikováno v:
Japanese Journal of Applied Physics. 28:379
Polarisation switching in a twin stripe laser is exploited to produce logic operations with possible applications in optical data processing and computing. Experimental results are presented showing polarisation based logical inversion, and this oper
Publikováno v:
IEE Proceedings J Optoelectronics. 136:6
The modal operation of asymmetric twin ridge waveguide lasers is investigated. A regime of operation is theoretically identified where modal switching is possible. Modal bistability is observed in this regime, and shows novel properties in that it is
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