title: Ultrafast all-optical switching in a silicon-nanocrystal-based silicon slot waveguide at telecom wavelengths.
abstract: 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 1 order of magnitude faster than previous approaches on silicon and is fully fabricated using complementary metal oxide semiconductor technologies.
authors.affiliation: Nanophotonics Technology Center (NTC), Universidad Politécnica de Valencia, Valencia, Spain. amartinez@ntc.upv.es
authors.forename: Alejandro
authors.initials: A
authors.lastname: Martínez
authors.forename: Javier
authors.initials: J
authors.lastname: Blasco
authors.forename: Pablo
authors.initials: P
authors.lastname: Sanchis
authors.forename: José V
authors.initials: JV
authors.lastname: Galán
authors.forename: Jaime
authors.initials: J
authors.lastname: García-Rupérez
authors.forename: Emmanuel
authors.initials: E
authors.lastname: Jordana
authors.forename: Pauline
authors.initials: P
authors.lastname: Gautier
authors.forename: Youcef
authors.initials: Y
authors.lastname: Lebour
authors.forename: Sergi
authors.initials: S
authors.lastname: Hernández
authors.forename: Romain
authors.initials: R
authors.lastname: Guider
authors.forename: Nicola
authors.initials: N
authors.lastname: Daldosso
authors.forename: Blas
authors.initials: B
authors.lastname: Garrido
authors.forename: Jean Marc
authors.initials: JM
authors.lastname: Fedeli
authors.forename: Lorenzo
authors.initials: L
authors.lastname: Pavesi
authors.forename: Javier
authors.initials: J
authors.lastname: Martí
authors.forename: Rita
authors.initials: R
authors.lastname: Spano
mesh_terms: D049329:Nanostructures / Q000737:chemistry*; D036103:Nanotechnology / Q000379:methods*; D055096:Optical Devices; D012825:Silicon / Q000737:chemistry*; D012822:Silicon Dioxide / Q000737:chemistry; D013685:Telecommunications
chemical_list: D012822:Silicon Dioxide; D012825:Silicon