Archivio Istituzionale della RicercaA very sensitive superconducting traveling wave photodetector made of a modified box-shaped waveguide, which includes two high index layers and an active superconducting layer, is studied. The optical propagation constants and the power absorption efficiency for guided modes are determined using the finite element method; the results show that by acting only on the waveguide geometry, different confinement regimes of the light in the absorption superconducting layer can be achieved and optimized.
Power absorption efficiency in superconducting box-shaped optical waveguides / Popescu, V. A.; Puscas, N. N.; Perrone, Guido. - In: JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM. - ISSN 1557-1939. - STAMPA. - 23:7(2010), pp. 1235-1239. [10.1007/s10948-010-0796-7]
Power absorption efficiency in superconducting box-shaped optical waveguides
PERRONE, Guido
2010
Abstract
A very sensitive superconducting traveling wave photodetector made of a modified box-shaped waveguide, which includes two high index layers and an active superconducting layer, is studied. The optical propagation constants and the power absorption efficiency for guided modes are determined using the finite element method; the results show that by acting only on the waveguide geometry, different confinement regimes of the light in the absorption superconducting layer can be achieved and optimized.
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https://hdl.handle.net/11583/2373740
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