Modulation speed improvement in a Fabry-Perot thermo-optical modulator through a driving signal optimization technique (Articolo in rivista)

Type
Label
  • Modulation speed improvement in a Fabry-Perot thermo-optical modulator through a driving signal optimization technique (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1117/1.3183913 (literal)
Alternative label
  • Della Corte FG, Merenda M, Cocorullo G, Iodice M, Rendina I, Sarro PM (2009)
    Modulation speed improvement in a Fabry-Perot thermo-optical modulator through a driving signal optimization technique
    in Optical engineering (Bellingham, Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Della Corte FG, Merenda M, Cocorullo G, Iodice M, Rendina I, Sarro PM (literal)
Pagina inizio
  • 074601-1 (literal)
Pagina fine
  • 074601-10 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 48 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 7 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1. Mediterranea Univ Reggio Calabria, Dept Informat Sci Math Elect & Transportat, I-89100 Reggio Di Calabria, Italy 2. Univ Calabria, Dept Elect Comp Sci & Syst, I-87036 Arcavacata Di Rende, Italy 3. CNR, Inst Microelect & Microsyst, I-80131 Naples, Italy 4. Delft Univ Technol, Delft Inst Microelect & Submicron Technol, NL-2628 CT Delft, Netherlands (literal)
Titolo
  • Modulation speed improvement in a Fabry-Perot thermo-optical modulator through a driving signal optimization technique (literal)
Abstract
  • A three-power-level method for obtaining efficient thermo-optical modulation in an all-silicon waveguide-integrated Fabry-Perot thermo-optic modulator is discussed by means of a thermo-optical analytical model and demonstrated. The thermal system is represented as a two-pole model where, at every time, the temperature in the waveguide core is modified by means of a heater. This temperature is calculated and used in turn for calculating the refractive index. In this way, the impact of the driving signal shape on the device speed performance is assessed. Results clearly indicate that the application of a thermal bias holding the modulator at a higher average temperature with respect to the substrate heat sink allows increasing the modulator speed. An application-specific integrated circuit has been designed and developed in order to test the new modulation logic. The system's electronics is implemented in a 0.8 mu m, 5 V, CMOS process. The experimental results of this new three-power-level driver method are reported, showing the shortening of the characteristic transient times. (literal)
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