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Open Access research which pushes advances in bionanotechnology

Strathprints makes available scholarly Open Access content by researchers in the Strathclyde Institute of Pharmacy & Biomedical Sciences (SIPBS) , based within the Faculty of Science.

SIPBS is a major research centre in Scotland focusing on 'new medicines', 'better medicines' and 'better use of medicines'. This includes the exploration of nanoparticles and nanomedicines within the wider research agenda of bionanotechnology, in which the tools of nanotechnology are applied to solve biological problems. At SIPBS multidisciplinary approaches are also pursued to improve bioscience understanding of novel therapeutic targets with the aim of developing therapeutic interventions and the investigation, development and manufacture of drug substances and products.

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Bistability and nonlinear gain in 1.55 μm vertical cavity semiconductor optical amplifiers : theory and experiments

Hurtado, Antonio and Henning, Ian D. and Adams, Michael J. (2007) Bistability and nonlinear gain in 1.55 μm vertical cavity semiconductor optical amplifiers : theory and experiments. Applied Physics Letters, 91 (15). ISSN 0003-6951

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Abstract

We report experimental measurements of power and wavelength optical bistability and nonlinear gain in two 1.55 μm vertical-cavity semiconductor optical amplifiers operated in reflection. Anticlockwise and clockwise nonlinear switching and bistability, both with high on-off contrast ratio up to 3.5:1, have been observed in the optical power and wavelength domains. Theoretical modeling gives excellent agreement with the experimental measurements.