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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 22 — Aug. 1, 2013
  • pp: E22–E27

Photoconductive logic gate based on platinum decorated carbon nanotubes

C. Mercado-Zúñiga, J. R. Vargas-García, F. Cervantes-Sodi, M. Trejo-Valdez, R. Torres-Martínez, and C. Torres-Torres  »View Author Affiliations


Applied Optics, Vol. 52, Issue 22, pp. E22-E27 (2013)
http://dx.doi.org/10.1364/AO.52.000E22


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Abstract

Electrical and nonlinear optical experiments were performed on multiwall carbon nanotubes (CNTs) prepared by a chemical vapor deposition method. We report that the incorporation of platinum particles on the CNTs surface originates an enhancement in the photoconductive properties with noticeable capabilities to modulate optical and electrical signals. The photoconductive logic gate function OR was experimentally demonstrated using a simple photoconductive platform based on our samples. A two-photon absorption effect was identified as the main mechanism of third-order optical nonlinearity under a nonresonant nanosecond excitation. Multiphotonic interactions were described in order to explain the observed behavior.

© 2013 Optical Society of America

OCIS Codes
(160.5140) Materials : Photoconductive materials
(190.4400) Nonlinear optics : Nonlinear optics, materials
(260.5150) Physical optics : Photoconductivity
(250.3750) Optoelectronics : Optical logic devices

History
Original Manuscript: November 27, 2012
Revised Manuscript: March 14, 2013
Manuscript Accepted: March 28, 2013
Published: May 16, 2013

Virtual Issues
Hybrid Organic-Inorganic Materials for Novel Photonic Applications (2013) Optical Materials Express

Citation
C. Mercado-Zúñiga, J. R. Vargas-García, F. Cervantes-Sodi, M. Trejo-Valdez, R. Torres-Martínez, and C. Torres-Torres, "Photoconductive logic gate based on platinum decorated carbon nanotubes," Appl. Opt. 52, E22-E27 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-22-E22


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