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Manfred ​Niehus

Researcher

E-mail: manfred.niehus (at) lx.it.pt
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Current Position

Researcher, Physics of Information and Quantum Technologies Group, Instituto de Telecomunicações.
Assistant Professor, Lisbon Polytechnical School of Engineering.
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Education

Ph.D. in Physics, Instituto Superior Técnico, 2005
M.Sc. in Physics, University of Cologne, 1998

Selected Publications

J. Dionísio, T. Mota, I. Pinto, M. Niehus, Real Time Random Number Generator Testing, Procedia Technology 17, 534 (2014).

R. Neto, M. Niehus, Portable Optical Fiber Coupled Low Cost Visible Spectrometer, Procedia Technology 17, 595 (2014).

G. M. Fernandes, A. J. Almeida, M. Niehus, A. N. Pinto, Theoretical Analysis of Multimodal Four Wave Mixing in Optical Microwires, Journal of Lightwave Technology (IEEE/OSA) 31, Issue 2, 195 (2013).

A. M. Rocha, G. M. Fernandes, F. Domingues, M. Niehus, A. N. Pinto, M. Facão, P. S. André, Halting the Fuse Effect Propagation Using Tapered Optical Fibers, Optics Express 20, Issue 19, 21083 (2012).

G. M. Fernandes, M. Niehus, C. A. F. Marques, R. Nogueira, A. N. Pinto, Acousto-Optic tunable mode coupler, Proc. Optical Fiber Conference (OFC), Los Angeles (2012)

M. Niehus, G. M. Fernandes, A. N. Pinto, Dispersion engineered high index silica microfibers, Proc. Eurocom (IEEE) (2011).

G. M. Fernandes, A. Almeida, M. Niehus, A. N. Pinto, Measurement of the diameter of an optical fiber microwire using stimulated Four-Wave Mixing, Proc. ICAOP (2011).

G. M. Fernandes, M. Niehus, A N. Pinto, Fabrication and optical characterization of tapered optical fibers, Proc. European Conference on Networks and Optical Communications (2010).

M. Niehus, G. G. M. Fernandes, A. N. Pinto, Design of a tunable single photon interferometer based on modal engineered tapered optical fibers, Proceedings SPIE 7727, 194 (2010).

M. Niehus, R. Schwarz, Correlation Between Transient Decays In Wide Gap Semiconductors: Photoluminescence Vs. Photocurrent, Superlattices & Microstructures 42, 299 (2007).

M. Niehus, R. Schwarz, Transient Photoreflectance in Al0.18Ga0.82N/GaN Thin Film, Diamond & Related Materials 16, 1425 (2007).

R. Schwarz, R. Cabeça, E. Morgado, M. Niehus, O. Ambacher, C. P. Marques, E. Alves, Stability of GaN Films Under Intense MeV He Ion Irradiation, Diamond and Related Materials​ 16, 1437 (2007).

M. Niehus, R. Schwarz, New results on diffusion lengths measurements in wide bandgap semiconductors, obtained from steady state photocarrier gratings (SSPG), Superlattices and microstructures 40, 350 (2006).

M. Niehus, R. Schwarz, Diffusion lengths in GaN obtained from steady state photocarrier gratings (SSPG), physica status solidi c, 3, 2103 (2006)

M.Niehus, R. Schwarz, Thermalization and recombination in exponential band tail states, physica status solidi (c) 3,1637 (2006).

M. Niehus, P. Sanguino, T. Monteiro, M.J. Soares, R. Schwarz, Spontaneous emission enhancement in micropatterned GaN, Superlattices and microstructures 40, 675 (2004).