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of 483
pro vyhledávání: '"Weihs G"'
Microcavity polaritons are bosonic light-matter particles that can emit coherent radiation without electronic population inversion via bosonic scattering. This phenomenon, known as polariton lasing, strongly depends on the polaritons' confinement. Sh
Externí odkaz:
http://arxiv.org/abs/2102.04186
Autor:
Schlager, A., Götsch, M., Chapman, R. J., Frick, S., Thiel, H., Suchomel, H., Kamp, M., Höfling, S., Schneider, C., Weihs, G.
Nonlinear frequency conversion is ubiquitous in laser engineering and quantum information technology. A long-standing goal in photonics is to integrate on-chip semiconductor laser sources with nonlinear optical components. Engineering waveguide laser
Externí odkaz:
http://arxiv.org/abs/2101.08097
Autor:
Laiho, K., Schmidt, M., Suchomel, H., Kamp, M., Höfling, S., Schneider, C., Beyer, J., Weihs, G., Reitzenstein, S.
Publikováno v:
New J. Phys. 21, 103025 (2019)
Due to their strict photon-number correlation, the twin beams produced in parametric down-conversion (PDC) work well for heralded state generation. Often, however, this state manipulation is distorted by the optical losses in the herald and by the hi
Externí odkaz:
http://arxiv.org/abs/1906.12191
Autor:
Chen, H., Laiho, K., Pressl, B., Schlager, A., Suchomel, H., Kamp, M., Höfling, S., Schneider, C., Weihs, G.
Publikováno v:
J. Opt. 21, 054001 (2019)
Bragg-reflection waveguides (BRWs) fabricated from AlGaAs provide an interesting non-linear optical platform for photon-pair generation via parametric down-conversion (PDC). In contrast to many conventional PDC sources, BRWs are made of high refracti
Externí odkaz:
http://arxiv.org/abs/1809.03167
Autor:
Schlager, A., Pressl, B., Laiho, K., Suchomel, H., Kamp, M., Höfling, S., Schneider, C., Weihs, G.
Publikováno v:
Opt. Lett. 42, 2102 (2017)
Bragg-reflection waveguides emitting broadband parametric down-conversion (PDC) have been proven to be well suited for the on-chip generation of polarization entanglement in a straightforward fashion [R. T. Horn et al., Sci. Rep. 3, 2314 (2013)]. Her
Externí odkaz:
http://arxiv.org/abs/1703.01947
Akademický článek
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Autor:
Laiho, K., Pressl, B., Schlager, A., Suchomel, H., Kamp, M., Höfling, S., Schneider, C., Weihs, G.
Publikováno v:
Nanotechnology 27, 434003 (2016)
We investigate the dispersion properties of ridge Bragg-reflection waveguides to deduce their phasematching characteristics. These are crucial for exploiting them as sources of parametric down-conversion (PDC). In order to estimate the phasematching
Externí odkaz:
http://arxiv.org/abs/1605.00517
Autor:
Pressl, B., Günthner, T., Laiho, K., Geßler, J., Kamp, M., Höfling, S., Schneider, C., Weihs, G.
Publikováno v:
Opt. Express 23, 33608 (2015)
Based on the interaction between different spatial modes, semiconductor Bragg-reflection waveguides provide a highly functional platform for non-linear optics. Therefore, the control and engineering of the properties of each spatial mode is essential
Externí odkaz:
http://arxiv.org/abs/1507.04233
Autor:
Günthner, T., Pressl, B., Laiho, K., Geßler, J., Höfling, S., Kamp, M., Schneider, C., Weihs, G.
Publikováno v:
J. Opt. 17, 125201 (2015)
Parametric downconversion (PDC) in semiconductor Bragg-reflection waveguides (BRW) is routinely exploited for photon-pair generation in the telecommunication range. Contrary to many conventional PDC sources, BRWs offer possibilities to create spectra
Externí odkaz:
http://arxiv.org/abs/1412.2082
In this paper, we introduce two simple and inexpensive versions of the well-known Foucault method for measuring the speed of light. In a footprint of just 20 cm by 270 cm with readily available laboratory items and a webcam, we obtained $c=296720\pm3
Externí odkaz:
http://arxiv.org/abs/1409.5573