Ultrafast all-optical switching in a silicon-nanocrystal-based silicon slot waveguide at telecom wavelengths

We demonstrate experimentally all-optical switching on a silicon chip at telecom wavelengths. The switching device comprises a compact ring resonator formed by horizontal silicon slot waveguides filled with highly nonlinear silicon nanocrystals in silica. When pumping at power levels about 100 mW us...

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Detalles Bibliográficos
Autores: Martínez, Alejandro|||0000-0001-5448-0140, Sanchis Kilders, Pablo|||0000-0003-2984-4218, García-Rupérez, Jaime|||0000-0002-2036-0084, Martí Sendra, Javier, Blasco Solbes, Javier, Galán Conejos, José Vicente, Jordana, Emmanuel, Gautier, Pauline, Lebour, Youcef, Hernández, Sergi, Spano, Rita, Guider, Romain, Daldosso, Nicola, Garrido, Blas, Fedeli, Jean Marc, Pavesi, Lorenzo
Tipo de recurso: artículo
Fecha de publicación:2010
País:España
Institución:Universitat Politècnica de València (UPV)
Repositorio:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
Idioma:inglés
OAI Identifier:oai:riunet.upv.es:10251/60652
Acceso en línea:https://riunet.upv.es/handle/10251/60652
Access Level:acceso abierto
Palabra clave:CMOS photonics
All-optical switching
Silicon nanocrystals
Silicon slot waveguides
TEORIA DE LA SEÑAL Y COMUNICACIONES
Descripción
Sumario:We demonstrate experimentally all-optical switching on a silicon chip at telecom wavelengths. The switching device comprises a compact ring resonator formed by horizontal silicon slot waveguides filled with highly nonlinear silicon nanocrystals in silica. When pumping at power levels about 100 mW using 10 ps pulses, more than 50% modulation depth is observed at the switch output. The switch performs about I order of magnitude faster than previous approaches on silicon and is fully fabricated using complementary metal oxide semiconductor technologies.

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