Escudo de la República de Colombia
  • Pedro Ignacio Torres Trujillo
  • Ph.D.
  • Profesor Asociado
  • Escuela de Física
  • Formación Profesional


    • Postdoctoral Researcher, University of Valencia, Spain, 1st Oct. 2008 - 31st March 2009.
    • Ph.D, Applied physics, Catholic University, Rio de Janeiro, Brazil (2002)

    Thesis title: Theoretical and experimental analysis of fiber Bragg grating applications (in Portuguese)

    • MPhil, Theoretical physics, National University of Colombia (1994)

    Thesis title: Modal analysis of optical amplifiers (in Spanish)

    • B.Sc., Physics, National University of Colombia (1990)
  • 4309327

  • pitorres@unal.edu.co
  • Escuela de Física, Universidad Nacional de Colombia, sede Medellín, Calle 59A 63-20-21-411

Areas de Interés +

  • Dispositivos opto-electrónicos
  • Fotónica
  • Fotónica no lineal
  • Nanofotónica
  • Sensores fotónicos

Areas de Interés


  • Dispositivos opto-electrónicos
  • Fotónica
  • Fotónica no lineal
  • Nanofotónica
  • Sensores fotónicos

Grupos de Investigación +

Fotónica y Opto-electrónica

Grupos de Investigación


Fotónica y Opto-electrónica

Asignaturas +

Electrodinámica avanzada: 1
Fundamentos de fibras ópticas: 1
Fundamentos de Fotónica: 1
Instrumentos ópticos: 1
Mecánica del medio contniuo: 1
Métodos ópticos para ingenieros: 1
Óptica integrada: 1
Óptica no lineal: 1
Oscilaciones, ondas y óptica: 1

Asignaturas


Electrodinámica avanzada: 1
Fundamentos de fibras ópticas: 1
Fundamentos de Fotónica: 1
Instrumentos ópticos: 1
Mecánica del medio contniuo: 1
Métodos ópticos para ingenieros: 1
Óptica integrada: 1
Óptica no lineal: 1
Oscilaciones, ondas y óptica: 1

Publicaciones


  1. P. Torres and A.M. Guzman, “Complex finite-element method applied to the analysis of optical waveguide amplifiers,” J. Lightwave Technol. vol. 15, pp. 546 –550, 1997.
  2. C. J. Matos, P. I. Torres, L. C. Valente, Isabel C. Carvalho, Walter Margulis, “Bragg grating fabrication by the external method with 266-nm light,” Proceedings of SPIE, vol. 3572, 1999.
  3. G. Wehrle, H. J. Kalinowski, P. I. Torres, and L.C.G. Valente, “Fibre optic Bragg grating strain sensor used to monitor the respiratory spectrum,” Proceedings of SPIE, vol. 4185, pp. 310-313, 2000.
  4. P. Lopez-Barbero, H.E. Hernandez-Figueroa, P. Torres, “Numerical modeling of multimode doped optical waveguides,” Advances in Engineering Software, vol. 31, pp. 235-240, 2000.
  5. G. Wehrle, P. Nohama, H. J. Kalinowski, P. I. Torres, and L. C. G. Valente, “A fibre optics Bragg grating strain sensor for monitoring ventilatory movements,” Measurement Science & Technology, vol. 12, pp. 805-809, 2001.
  6. L. A. C. Caetano, S. A. B. Fontoura, P. Torres, L. C. G. Valente, “Optical fiber system for saline concentration measurement in drilling fluids,” Proceedings of SPIE, vol. 4419, 2001.
  7. C. J. S. de Matos, P. Torres, L. C. G. Valente, W. Margulis and R. Stubbe, “ Fiber Bragg grating characterization and shaping by local pressure,” J. Lightwave Technol.,  vol. 19 pp. 1206-1211, 2001.
  8. P. Torres, L.C.G. Valente, and M.C.R. Carvalho, “Security system for optical communication signal with fiber Bragg gratings,” IEEE Transactions on Microwave Theory and Technique, vol. 50, pp. 13-16, 2002.
  9. P. Torres and L.C.G. Valente, “Spectral Response of locally pressed fiber Bragg grating,” Optics Communication, vol. 208, pp.285-291, 2002.
  10. M. C. L. Areiza, P. Torres, L. C. G. Valente, “Construction and calibration of a fiber Bragg grating thermometer,” (in Spanish), Revista Información Tecnológica, vol. 14, pp. 135-141, 2003.
  11. Rodrigo Acuña, Javier Morales, Pedro Torres, “Fixed filter method for fiber optic Bragg grating sensors,” Colombian Journal of Physics, vol. 33, No. 2, pp. 352-355, 2003.
  12. J. I. Marulanda, P. Torres, “Performance analysis of an optical CDMA communications system based on fiber Bragg gratings,” Colombian Journal of Physics, vol. 36, No. 2, pp. 358-361 2004.
  13. L. C. G. Valente, A. L. C. Triques, P. Torres, L. C. B. Linares, J. P. von der Weid, “Optical Fiber Polarization Delay Line Based on Unchirped Fiber Bragg Grating,” Journal Microwave and Optoelectronics, vol. 3, pp. 80-86, 2004.
  14. S. Solano, C. Ramírez-Martínez, J. Morales, P. Torres, N. Gómez-Montoya, “Reconstruction of refractive index profile of optical waveguides by the finite element method,” Proceeding of SPIE, vol. 5622, pp. 838-843, 2004.
  15. J. Marulanda, P. Torres, “Improvement of Performance in FFH-OCDMA systems by using strong apodized fiber Bragg gratings,” Proceeding of SPIE, vol. 5622, pp. 844-848, 2004.
  16. P. Torres, H. Arsalane, Å Claesson, W. Margulis, “Electrically controlled Bragg grating in mocrostructured fiber with internal electrode,” Proceeding of SPIE, vol. 5622, pp. 849-854, 2004.
  17. V. Aristizábal, F. Vélez, P. Torres, “Modeling of Photonics crystal fiber with the scalar finite element method,” Proceeding of SPIE, vol. 5622, pp. 912-916, 2004.
  18. F. Vélez, V. Aristizábal, P. Torres, “Numerical model and analysis of optical fiber with internal electrodes,” Colombian Journal of Physics, vol 38, No.1, pp. 173-176, 2006.
  19. J. I. Marulanda, P. Torres, “Improvement of Performance in FFH-OCDMA systems by using strong apodized fiber Bragg gratings,” (in Spanish), Colombian Journal of Physics, vol 38, No.1, pp. 269-272, 2006.
  20. Víctor H. Aristizábal, Francisco J. Vélez, P. Torres, “Phoenixowa: A computational software for analyzing the characteristic propagation in optical waveguides,” (in Spanish), Colombian Journal of Physics, vol 38, No.1, pp. 157-160, 2006.
  21. Rodrigo Acuña, Jesús Causado, Pedro Torres, “Optical fiber sensor based on curvature losses,” (in Spanish), Colombian Journal of Physics, vol. 38, No.2, pp. 929-932, 2006.
  22. Jorge A. Gómez, Pedro Torres, “Erbium doped fiber ring laser: A comprehensive model based on transmission,” Colombian Journal of Physics, vol. 38, No.2, pp. 641-644, 2006.
  23. Jorge A. Gómez, Pedro Torres, Adriana. L. C. Triques, Karla Kato, Alexandre Ribeiro, “Erbium doped fiber ring laser: Characterization through the “easy point” method”,  Colombian Journal of Physics, vol. 38, No.2, pp. 617-620, 2006.
  24. Nicolás Gómez, Sigifredo Solano, Carlos A. Ramírez, Pedro Torres, “Reconstruction of refractive index profile of optical telecommunication fibers,” Colombian Journal of Physics, vol 38, No.2, pp. 633-636, 2006.
  25. Víctor Hugo Aristizábal, Francisco Javier Vélez, Pedro Torres, “Analysis of photonic crystal fibers: Scalar solution and polarization correction,” Optics Express, vol 14, pp. 11848-11854, 2006.
  26. Juan F. Botero-Cadavid, Jesús D. Causado-Buelvas, Pedro Torres, “Investigation on the spectral properties of locally pressed fiber Bragg gratings written in polarization maintaining fibers” AIP Conference Proceedings (ISSN 0094-243X, ISBN 978-0-7354-0511-0), vol 992, pp. 248-253 (15 April 2008), doi: 10.1063/1.2926865.
  27. Jesús D. Causado-Buelvas, Nelson D. Gómez-Cardona, Pedro Torres, “Magnetomechanically induced long period fiber gratings”, AIP Conference Proceedings (ISSN 0094-243X, ISBN 978-0-7354-0511-0), vol 992, pp. 260-264, (15 April 2008), doi: 10.1063/1.2926867.
  28. Jesús D. Causado-Buelvas, Nelson D. Gómez-Cardona, Pedro Torres, “In-fiber integrated micro-displacement sensor”, AIP Conference Proceedings (ISSN 0094-243X, ISBN 978-0-7354-0511-0), vol 992, pp. 888-892, (15 April 2008), doi: 10.1063/1.2926990 .
  29. Pedro Torres, Juan F. Botero-Cadavid, Francisco Javier Vélez, “Spectral Response of FBG written in specialty single-mode fibers”, AIP Conference Proceedings (ISSN 0094-243X, ISBN 978-0-7354-0511-0), vol 1055, pp. 65-68, (1 October 2008), doi: 10.1063/1.3002545.
  30. Luis Fernandez, Pedro Torres, Jesús Causado, Rafael Betancur, “Development of a Mach-Zehnder interferometer based on a twin-core fiber and analysis of its thermal stability”, Proceeding of SPIE (ISSN  0277-786X), vol. 7056, pp. 13-17, (25 August 2008), doi: 10.1117/12.794916.
  31. Mauricio Aguiar, Jorge Gómez, Pedro Torres, “Thermomechanical modeling of a capsule for fiber optics sensors in electric power systems” (in Spanish), Revista DYNA (ISSN 0012-7353), vol. 76, No. 157, pp. 243-250, (1 March 2009), URL: www.redalyc.org/pdf/496/49611942025.pdf .
  32. J. F. Botero-Cadavid, J. D. Causado-Buelvas, and Pedro Torres, “Spectral Properties of Locally Pressed Fiber Bragg Gratings Written in Polarization Maintaining Fibers” Journal of Lightwave Technology (ISSN 0733-8724), vol. 28, No. 9, pp. 1291-1297, (1 May 2010), doi: 10.1109/JLT.2010.2040804.
  33. Erick Reyes-Vera, Esteban González-Valencia, Pedro Torres, “Transverse stress response of FBGs in large-mode-area micro-structured Panda-type fibers” Proceeding of SPIE (ISSN 0277-786X), vol. 7839, pp. 78391G1-78391G4, (14 October 2010), doi: 10.1117/12.867093.
  34. Erick Reyes-Vera, Esteban González-Valencia, Pedro Torres, “Understanding the birefringence effects in an all-fiber device based on photonic crystal fibers with integrated electrodes”, Photon. Lett. of Poland (ISSN 2080-2242), vol. 2, no. 4, pp. 168-170, (31 December 2010), doi: 10.4302/plp.2010.4.09.
  35. J. D. Casado-Buelvas, N. D. Gomez-Cardona, and P. Torres, “Practical Method for engineering Erbium-doped fiber laser from step-like pulse excitations”, Journal of Physics Conference Series [ISSN 1742-6588 (print) o 1742-6596 (online)], vol. 274, pp. 120171-120178, (1 February 2011), doi:10.1088/1742-6596/274/1/012017.
  36. Pedro Torres, Víctor H. Aristizábal, Miguel V. Andrés, “Modeling of photonic crystal fibers from the scalar wave equation with a purely transverse linearly polarized vector potential”, Journal of the Optcal Society of America B (ISSN 0740-3224), vol. 28, no.4, pp. 787-791, (22 March 2011), doi: 10.1364/JOSAB.28.000787.
  37. E. Reyes-Vera, D. M. Domíguez-Gómez, J. D. Causado-Buelvas, P. Torres, Y. Moreno, C. Londoño, A. Molina, “Three-fiber optical probe for studying fluidized gas-solid beds in bubbling regime”, Revista DYNA (ISSN 0012-7353), vol. 78, No. 166, pp. 67-72, (1 April 2011), URL: www.redalyc.org/pdf/496/49622365007.pdf.
  38. J. D. Causado-Bulevas, N. D. Gómez-Cardona, and P. Torres, “Fast method for engineering Erbium-doped fiber lasers, Proceeding of SPIE (ISSN: 0277-786X), vol. 7753, pp. 77533A1 – 7753A4, (17 March 2011), doi: 10.1117/12.886021.
  39. Alvaro Castro-Caicedo, Pedro Torres, Ricardo Lain, “Packaging and testing of fiber Bragg gratings for use as strain sensor in rock specimens”, Proceeding of SPIE (ISSN 0277-786X), vol. 8785, pp. 87852R1-87852R7, (18 November 2013), doi: 10.1117/12.2025678.
  40. Pedro Torres, Erick Reyes-Vera, Antonio Díez, Miguel V. Andrés, “Two-core transversally chirped microstructured optical fiber refractive index sensor”, Optics Letters (ISSN: 0146-9592), vol. 15, No. 6, pp. 1593-1596, (12 March 2014), doi: 10.1364/OL.39.001593.
  41. Yamile Cardona Maya, Nelson Darío Gómez Cardona, Pedro Torres, “Low cost heat-and-pull rig for manufacturing adiabatic optical fiber tapers”, Revista Facultad de Ingeniería (ISSN 0120-6230), vol. 70, No. 1, pp. 167-172, (1 March 2014), URL: www.redalyc.org/pdf/430/43030033015.pdf.
  42. Erick Reyes-Vera, Nelson Gómez-Cardona, Pedro Torres, “Label-free biosensor based on a dual-core transversally chirped microstructured optical fiber”, Proceeding of SPIE (ISSN 0277-786X), vol. 9157, pp. 91578J1 - 91578J4, (2 June 2014), doi: 10.1117/12.2059611
  43. Erick Reyes-Vera, Nelson D. Gómez-Cardona, Giancarlo Chesini, Cristiano M. B. Cordeiro, Pedro Torres, “Temperature sensibility of the birefringence properties in side hole photonic crystal fiber filled with Indium”, Applied Physics Letters (ISSN 0003-6951), vol. 105, No. 20, pp. 2011011-2011014, (17 November 2014), doi: 10.1063/1.4902157.