Dr. Pierpaolo A. Porta

Senior researcher
Physics Department
University College Cork
Ireland

Phone:+353-21-4902053 Fax : +353-21-4276949 Email:p.porta@ucc.ie

Education

	Ph.D. in Physics, 2001 University College Cork, Cork, Ireland,
	Laurea in Fisica, 1995 Universita' di Milano, Milan, Italy

Professional Employment

April 2009 - Today	Principal Investigator, Enterprise Ireland supported project, Physics Department, University College Cork, Cork Ireland
April 2007 - March 2009	Research fellowship: Marie Curie Transfer of Knowledge , III-V materials and devices group, Tyndall National Institute, Cork Ireland
October 2002 - March 2007	Research Fellowships, Wellcome Trust and EPSRC (UK research council) Physics department, Cardiff University, Queens Building, The Parade, Cardiff, CF24 3AA, Wales, UK
June 2001-September 2002	Postdoctoral researcher Microluidics group, Tyndall National Institute, Cork Ireland

Research Interests

Development of new metamaterials for plasmonic based optical sensing
and light extraction from/injection into semiconductor devices
vertical cavity surface-emmitting lasers(VCSELs): optical and electrical properties,
integration of VCSELs with plasmonic outcouplers for 2D optics
vertical cavity semiconductor devices for fluorescence spectroscopy in micro-environments
Semiconductor laser physics and technology: dynamics of lasers and nonlinear optical systems,
optical switching and bistability; laser stabilisation and frequency/phase locking;
diode laser based remote sensing by coherent optical backscatter;

Publications and conferences

[1] P.A. Porta, J. Justice, G. Leveque and B. Corbett, Vertical-Cavity Surface Emitting Lasers with
integrated excitation of surface plasmon polariton modes, IEEE Photonics Technol. Lett, 21, 221, (2009).
Article highlighted on the front cover of Photonics Technology Letters
[2] P.A. Porta and B. Corbett, Plasmonic mediated interactions between waveguides and nanostructured metal surfaces, Opt. Express, 16, 16305 (2008).
[3] P.A. Porta, M. Harries and H.D. Summers, Surface plasmon mediated emission in resonant-cavity light-emitting diodes, Appl. Phys. Lett., 89, 121120 (2006).
[4] H. D Summers and P.A. Porta, Resonant-Cavity optoelectronic devices for fluorimetry, IEEE J. Select. Topics Quantum Electron., 11 (4), 854, (2005).
[5] P.A. Porta and H.D. Summers, Vertical-cavity semiconductor devices for fluorescence spectroscopy in biochip and microfluidics platforms, J. Biomed. Opt., 10, 034001 (2005).
[6] J. Albert, M. C. Cornelles, I. Veretennicoff, K. Panajotov, J. Dankaert, P.A. Porta, D. P. Curtin and J. G. McInerney, Laser Doppler Velocimetry with Polarization–bistable Vertical-Cavity Surface Emitting Lasers, IEEE J. Select. Topics Quantum Electron., 10, (5), 1006, (2004).
[7] P.A. Porta and H.D. Summers, Vertical Cavity Semiconductor devices for generation and detection of fluorescence emission on a single chip, Appl. Phys. Lett. 85, 1889 (2004).
[8] P.A. Porta and H.D. Summers, Vertical-cavity semiconductor devices for fluorescence spectroscopy, Proc. SPIE, 5331, 60, (2004).
[9] P.A. Porta, D. Curtin and J. G. McInerney, Laser Doppler velocimetry by optical self-mixing in vertical-cavity surface-emitting lasers, IEEE Photonics Technol. Lett., 14, 1719, (2002).
[10] J.D. Lambkin, T. Calvert, J. Woodhead, S.M. Pinches, J. Frost, J. Hosea, P. Van Daele, K. Vanderputte, A. Van Hove, A. Valster, J.G. McInerney, P.A. Porta, Development of a visible VCSEL-to-plastic optical fibre module for use in high-speed optical data links, Mat. Sci. in Semiconduct. Processing, 3, 467, (2000).
[11] J.D. Lambkin, T. Calvert, B. Corbett, J. Woodhead, S. M. Pinches, A. Onischenko, T. E. Sale, J. Hosea, P. Van Daele, K. Van de Putte, A. Van Hove, A. Valster, J. G. McInerney and P.A. Porta, Development of a red VCSEL-to-plastic fiber module for use in parallel optical data links, Proc. SPIE, 3946, 95, (2000).
[12] G. Huyet, P.A. Porta, S.P. Hegarty, J.G. McInerney and F. Holland, A low-dimensional dynamical system to describe low-frequency fluctuations in a semiconductor laser with optical feedback, Opt. Comm, 180, 339, (2000).
[14](sic!) G.L. Lippi, S. Barland, N. Dokhane, F. Monsieur, P.A. Porta, H. Grassi and L.M. Hoffer, Phase space techniques for steering laser transients, J. Opt. B, 2, 375, (2000).
[15] P.A Porta, L.M. Hoffer, H. Grassi and G. L. Lippi, Analysis of a non-feedback technique for transient steering in Class B lasers, Phys. Rev. A, 61, 033801, (2000).
[16] D.P. Curtin, P.A. Porta and J.G. McInerney, Doppler velocimetry by backscatter modulation at the polarisation switching point in VCSELs, Institute of Nonlinear Science Report, University College Cork, 00-008, July 2000.
[18](sic!) S.P. Hegarty, G. Huyet, P. Porta, J.G. McInerney, K. D. Choquette, K.M. Geib and H.Q. Hou, Transverse mode structure and pattern formation in oxide confinement vertical-cavity semiconductor lasers, J. Opt. Soc Am. B, 16, 2060, (1999).
[19] G.L. Lippi, P. A. Porta, L.M. Hoffer and H. Grassi, Control of transients in “lethargic” systems, Phys. Rev. E, 59, R32, (1999).
[20] S.P. Hegarty, G. Huyet, P. Porta and J.G. McInerney, Analysis of the fast recovery dynamics of a semiconductor laser with feedback in the low frequency fluctuation regime, Opt. Lett., 23, 1206, (1998).
[21] P.A. Porta, L.M. Hoffer, H. Grassi and G.L. Lippi, Control of turn–on transient in Class-B lasers, Int. Jour. of Bifurcations and Chaos, Appl. Sci. Eng., 8, 1811, (1998).

[1] P.A. Porta, B. Corbett, Plasmonic mediated interaction between nanostructured metal surfaces and single mode optical waveguides, Oral presentation, SPIE Photonics Europe 2008, 7 - 11 April 2008. Strasbourg France.
[2] P.A. Porta and H.D. Summers, Surface plasmon mediated 4emission from resonant-cavity light-emitting diodes, CLEO/EQEC 2006, Long Beach, California, USA, May 2006.
[3] M Harries, P.A Porta and H D Summers, Surface emitting semiconductor devices with plasmon filters, Semiconductor and Integrated Optielectronics (SIOE) 2005, Cardiff, Waless, UK, March 2005.
[4] P.A. Porta, New optoelectronic devices to analyse biological systems, Rank Prize Symposium on Quantum Biological Optoelectronics, 19-22 April 2004, Grassmere, Cumbria, UK.
[5] McInerney, J.; Hegarty, S.; Huyet, G.; Porta, P.; Choquette, K.; Geib, K.; Hou, H.; Transverse mode measurements in index guided vertical cavity semiconductor lasers, Lasers and Electro-Optics Europe, 2000. Conference Digest. 2000, Nice, France, 10-15 Sept 2000.
[6] P.A. Porta, D. Curtin and J.G. McInenrney, Doppler velocimetry by backscatter modulation at the polarization switching point in VCSELs, SPIE Photonics West 2000, San Jose’, California, USA, January 2000.
[7] A.J. Kent, G. Huyet, S. Hegarty,P. Porta, J.G. McInerney, J.K. White, J.V.Moloney, A Multimode Model for the Dynamics of a Semiconductor Laser with Optical Feedback Lasers and Electro-Optics Europe, 1998. 1998 CLEO/Europe. Conference on 14-18 Sep 1998 Page(s):282 - 282.
[8] Porta, P.P.; Hoffer, L.M.; Puccioni, G.P.; Grassi, H.; Boscolo, I.; Lippi, G.L.; Peak Height vs. Delay Time in the Pump-Modulated Turn-on of a Class B Laser, Quantum Electronics Conference, 1996. EQEC '96., Hamburg, Germany, September 1996.
[9] P.A. Porta and H.D. Summers, Novel configurations for a surface plasmon optical sensor based on semiconductor light-emitting dioes, Photon 06, University of Manchester, Manchester, UK, September 2006.
[10] P.A. Porta, M. Harries and H.D. Summers, A new plasmonic out-coupler for light-emitting diodes, Condensed Matter and Materials Physics (CMMP) 2006, University of Exeter, Exeter, UK, April 2006.
[11] P.A. Porta and H.D. Summers, Vertical-Cavity semiconductor devices for fluorescence spectroscopy, Emerging Technologies in Optical Science (ETOS) 2004, University College Cork, Cork, Ireland, July 2004.