Currently is responsible, together with Dr. Crina Cojocaru, of the Nonlinear Optics and Lasers laboratory of the Nonlinear Dynamics, Nonlinear Optics and Lasers research group, where has participated in more than 35 financed competitive research projects. He has been also working in the group of Materials Processing by Laser at the Optics Institute of the Spanish National Research Council (CSIC, 1991) and in the group of Lasers and Ultrashort Pulses at Universita degli Studi dell’Insubria (Italy, 2001-2003).
His research activity is focused in experimental studies in nonlinear optics and photonics including topics such as the enhancement of nonlinear processes in photonic crystals, diffraction control and filtering in photonic crystals, nonlinear interactions in disordered media, characterization techniques of ultra-short optical pulses, semiconductor laser dynamics or laser induced ultrasound generation for 3D fracture detection.
He has been vice-director of the Physics Department in the period 2004-2012 and is involved in teaching activity since 1992 in different Degrees and Master courses at UPC such as General Physics, Photonics, Nonlinear Optics, Ultrafast and Ultraintense Laser Light and Photonics laboratory.
2-
Three orders of magnitude enhancement of second and third harmonic generation in the visible and ultraviolet ranges from plasmonic gold nanogratingsMukhopadhyay, S.; Rodriguez, L.; Cojocaru, C.; Vincenti, M.; Hallman, K.; Leo, G.; Belchovski, M.; Ceglia, D. de; Scalora, M.; Trull, J.APL Photonics
8, 046108 (2023)
5-
Electrodynamics of conductive oxides: intensity-dependent anisotropy, reconstruction of the effective dielectric constant, and harmonic generationScalora, Michael; Trull, J.; Ceglia, D. de; Vincenti, M.; Akozbek, N.; Coppens, Z. J.; Rodriguez, L.; Cojocaru, C.Physical review A
101, 053828:1-053828:11 (2020)
8-
Study of second and third harmonic generation from an indium tin oxide nanolayer: Influence of nonlocal effects and hot electronsRodriguez, L.; Scalora, Michael; Johnson, A. S.; Cojocaru, C.; Akozbek, N.; Coppens, Z. J.; Pérez, D.; Wall, S.; Trull, J.APL Photonics
5, 010801-1-010801-9 (2020)
10-
Spatial filtering in edge-emitting lasers by intracavity chirped photonic crystalsGawali, S.; Medina, J.; Gailevicius, D.; Purlys, V.; Garre, G.; Cojocaru, C.; Trull, J.; Botey, M.; Herrero, R.; Montiel, J.; Staliunas, K.Journal of the Optical Society of America B. Optical physics
37, 2856-2864 (2020)
15-
Resonant, broadband, and highly efficient optical frequency conversion in semiconductor nanowire gratings at visible and UV wavelengthsScalora, Michael; Trull, J.; Cojocaru, C.; Vincenti, M.; Carletti, L.; Ceglia, D. de; Akozbek, N.; De Angelis, C.Journal of the Optical Society of America B. Optical physics
36, 2346-2351 (2019)
18-
Harmonic generation from metal-oxide and metal-metal boundariesScalora, Michael; Vincenti, M.; Ceglia, D. de; Akozbek, N.; Bloemer, M.; De Angelis, C.; Haus, J.; Vilaseca, R.; Trull, J.; Cojocaru, C.Physical review A
98, 23837-1-23837-9 (2018)
21-
Comparative analysis of ferroelectric domain statistics via nonlinear diffraction in random nonlinear materialsWang, Bin; Switowski, K.; Cojocaru, C.; Roppo, V.; Sheng, Y.; Scalora, Michael; Kisielewski, J.; Pawlak, D.; Vilaseca, R.; Akhouayri, H.; Krolikowski, W.; Trull, J.Optics express
26, 1083-1096 (2018)
23-
Two-dimensional domain structures in Lithium Niobate via domain inversion with ultrafast lightChen, X.; Karpinski, P.; Shvedunov, V.; Wang, B.; Trull, J.; Cojocaru, C.; Boes, A.; Mitchell, A.; Krolikowski, W.; Sheng, Y.Photonics letters of Poland
8, 33-35 (2016)
24-
Ferroelectric domain patterning with ultrafast lightChen, X.; Shvedunov, V.; Karpinski, P.; Koynov, K.; Boes, A.; Mitchell, A.; Trull, J.; Cojocaru, C.; Krolikowski, W.; Sheng, Y.Optics and photonics news
27, 50 (2016)
28-
Ferroelectric domain engineering by focused infrared femtosecond pulsesChen, X.; Karpinski, P.; Shvedunov, V.; Koynov, K.; Wang, B.; Trull, J.; Cojocaru, C.; Krolikowski, Wieslaw; Sheng, Y.Applied physics letters
107, 141102-1-141102-4 (2015)
30-
Flat focusing mirrorCheng, Y.; Kicas, S.; Trull, J.; Peckus, M.; Cojocaru, C.; Vilaseca, R.; Drazdys, R.; Staliunas, K.Scientific reports
4, 6326 (2014)
35- "Multi-directional Cerenkov second harmonic generation in two-dimensional nonlinear photonic crystal"
Sheng, Y.; Roppo, V.; Ren, M.; Kalinowski , K.; Cojocaru, C.; Trull, J.; Li, Z.; Koynov, K.; Krolikowski, W.
Optics express 20, 3948-3953 (2012)
36- "Woodpile photonic crystal for beam collimation"
Maigyte, L.; Trull, J.; Mizeikis, V.; Malinauskas, M.; Juodkazis, S.; Cojocaru, C.; Rutkauskas, M.; Peckus, M.; Sirutkaitis, V.; Staliunas, K.
Proceedings of SPIE, the International Society for Optical Engineering 8425, 842511 (2012)
38-
Formation of collimated beams behind the woodpile photonic crystalTrull, J.; Maigyte, L.; Malinauskas, M.; Mizeikis, V.; Juodkazis, S.; Cojocaru, C.; Rutkauskas, M.; Peckus, M.; Sirutkaitis, V.; Staliunas, K.Physical review A
84, 033812-1-033812-5 (2011)
40- "Research activities of the group on nonlinear dynamics, nonlinear optics and lasers (DONLL) at the universitat politècnica de catalunya (Campus de Terrassa)"
Tiana-Alsina, J.; Zamora, J.; Nistor, I.; Roppo, V.; Maigyte, L.; Aragoneses, A.; Khumar, N.; Martinez, M.; Fernandez, J.; Serrat, C.; Font, J.L.; Herrero, R.; Cojocaru, C.; Trull, J.; Masoller, C.; Staliunas, K.; Torrent, M.C.; Garcia, J.; Vilaseca, R.
Óptica pura y aplicada 44, 219-225 (2011)
42-
Second- and third-harmonic parametric scattering in disordered quadratic mediaWang, W.; Kalinowski , K.; Roppo, V.; Sheng, Y.; Koynov, K.; Kong, Y.; Cojocaru, C.; Trull, J.; Vilaseca, R.; Krolikowski, W.Journal of physics B. Atomic molecular and optical physics
43, 21 (2010)
43-
The role of ferroelectric domain structure in second harmonic generation in random quadratic mediaRoppo, V.; Wang, W.; Kalinowski , K.; Kong, Y.; Cojocaru, C.; Trull, J.; Vilaseca, R.; Scalora, Michael; Krolikowski, W.; Kivshar, Y.Optics express
18, 4012-4022 (2010)
47- "Broad angle phase matching in subdiffractive photonic crystals"
Nistor, I.; Cojocaru, C.; Trull, J.; Staliunas, K.
Optics communications 283, 3533-3535 (2010)
50- "Characterization of femtosecond pulses via transverse second-harmonic generation in random nonlinear media"
Trull, J.; Saltiel, S.; Roppo, V.; Cojocaru, C.; Dumay, D.; Krolikowski, W.; Neshev, D.; Vilaseca, R.; Staliunas, K.; Kivshar, Y.
Applied physics B. Lasers and optics 95, 609-615 (2009)
52-
Third-harmonic generation via broadband cascading in disordered quadratic nonlinear mediaWang, W.; Roppo, V.; Kalinowski , K.; Kong, Y.; Neshev, D.; Cojocaru, C.; Trull, J.; Vilaseca, R.; Staliunas, K.; Krolikowski, W.; Saltiel, S.; Kivshar, Y.Optics express
17, 20117-20123 (2009)
53- "Second Harmonic Generation of Narrow Beams in Subdiffractive Photonic Crystals"
Nistor, I.; Cojocaru, C.; Loiko, Y.; Trull, J.; Herrero, R.; Staliunas, K.
Physical review A 78, 53818-53818 (2008)
54- "Planar second-harmonic generation with noncollinear pumps in disordered media"
Roppo, V.; Dumay, D.; Trull, J.; Cojocaru, C.; Saltiel, S.; Staliunas, K.; Vilaseca, R.; Neshev, D.; Krolikowski, W.; Kivshar, Y.
Optics express 16, 14192-14199 (2008)
56-
Second-harmonic parametric scattering in ferroelectric crystals with disordered nonlinear domain structuresTrull, J.; Cojocaru, C.; Fischer, R.; Saltiel, S.; Staliunas, K.; Herrero, R.; Vilaseca, R.; Neshev, D.; Krolikowski, W.; Kivshar, Y.Optics express
15, 15868-15877 (2007)
58- "Subdiffractive light pulses in photonic crystals"
Staliunas, K.; Serrat, C.; Herrero, R.; Cojocaru, C.; Trull, J.
Physical review E: statistical, nonlinear, and soft matter physics 74, 1-6 (2006)
59- "Coupling-mediated ghost resonance in mutually injected lasers"
Martin, J.; González, C.; Trull, J.; Torrent, M.C.; Garcia, J.
Chaos (Woodbury, N.Y.) 15, 3103.1-3103.5 (2005)
61- "Ghost resonance in coupled lasers"
Martin, J.; Gonzalez, C.; Garcia, J.; Torrent, M.C.; Trull, J.; Mirasso, C.R; Chialvo, Dante R.
AIP Conference proceedings 742, 247-252 (2004)
63- "three dimensional imaging of short pulses"
Potenza, M.; Minardi, S.; Trull, J.; Blassi, G.; Salerno, D.; Varanavicius, A.; Piskarskas, A.
Optics communications 229, 381-390 (2004)
64- "Spatiotemporal three-dimensional mapping of nonlinear X waves"
Trull, J.; Jedrkiewicz, O.; Trapani, P.; Matijosius, A.; Varanavicius, A.; Valiulis, G.; Danielius, R.; Piskarskas, E.
Physical review E, statistical physics, plasmas, fluids, and related interdisciplinary topics 69, 26607--26607 (2004)
65- "Nonlinear space-time dynamics of ultrashort wavepackets in water"
Matijosius, A.; Trull, J.; Trapani, P.; Dubietis, A.; Piskarskas, R.; Varanavicius, A.
Optics letters 29, 1123-1125 (2004)
66- "Nonlinear Electromagnetic X waves"
Conti, C.; Trillo, S.; Trapani, P.; Valiulis, G.; Piskarskas, A.; Jedrkiewicz, O.; Trull, J.
Physical review letters 90, 170406-17040 (2003)
67- "Spontaneously Generated X-Shaped Light Bullets"
Trapani, P.; Valiulis, G.; Piskarskas, A.; Jedrkiewicz, O.; Trull, J.; Trillo, C.
Physical review letters 91, 93904--93904 (2003)
68- "Spatial versus deterministic wave breakup of nonlinearly coupled light waves"
Salerno, D.; Minardi, S.; Trull, J.; Varanavicius, A.; Tamosauskas, G.; Valiulis, G.; Dubietis, A.; Caironi, D.; Trillo, S.; Piskarskas, A.
Physical review letters 91, 143905-14390 (2003)
69- "Optically controlled transmittance and reflectance in microcavities and photonic crystals with quadratic nonlinearities"
Vilaseca, R.; Martorell, J.; Cojocaru, C.; Trull, J.
Proceedings of SPIE, the International Society for Optical Engineering 4829, 747-748 (2003)
70- "Nonlinear X waves in second harmonic generation: experimental results"
Jedrkiewicz, O.; Trull, J.; Valiulis, G.; Piskarskas, A.; Conti, C.; Trapani, S.
Physical review E, statistical physics, plasmas, fluids, and related interdisciplinary topics 68, 26610--26610 (2003)
71- "Space-Time reconstruction of Nonlinear X-pulses"
Matijosius, A.; Varanavicius, A.; Valiulis, G.; Danielius, R.; Kucinskas, E.; Piskarskas, A.; Trull, J.; Jedrkiewicz, O.; Trapani, P.
Lithuanian journal of physics 43, 429-436 (2003)
72- "Dynamics of modal power distribution in a multimode semiconductor laser with optical feedback"
Martin, J.; Trull, J.; Torrent, M.C.; Garcia, J.; Mirasso, C.R
Journal of optics B. Quantum and semiclasical optics 4, L1-L3 (2002)
73- "Dynamics of power distribution in multimode semiconductor lasers with optical feedback"
Martin, J.; Rogister, F.; Trull, J.; Serrat, C.; Torrent, M.C.; Mirasso, C.R; Garcia, J.
Proceedings of SPIE, the International Society for Optical Engineering 4646, 411-419 (2002)
74- "Determination of refractive indices of quarter-wavelength Bragg reflectors by reflectance measurements in wavelength and angular domains"
Trull, J.; Cojocaru, C.; Massaneda, J.; Vilaseca, R.; Martorell, J.
Applied optics 41, 5172-5178 (2002)
75- "Colored conical emission by means of second-harmonic generation"
Trillo, S.; Conti, C.; Trapani, P.; Jedrkiewicz, O.; Trull, J.; Valiulis, G.; Bellanca, G.
Optics letters 27, 1451-1453 (2002)
76- "Asymmetric and delayed activation of side modes in multimode semiconductor lasers with optical feed-back"
Martin, J.; Rogister, F.; Trull, J.; Serrat, C.; Torrent, M.C.; Garcia, J.; Mirasso, C.R
Journal of optics B. Quantum and semiclasical optics 4, 415-420 (2002)
77- "Suppression of radiation in a momentum-nonconserving nonlinear interaction"
Botey, M.; Martorell, J.; Trull, J.; Vilaseca, R.
Optics letters 25, 1177-1179 (2000)
78- "Active reflection via a phase-insensitive quadratic nonlinear interaction within a microcavity"
Cojocaru, C.; Martorell, J.; Vilaseca, R.; Trull, J.
Applied physics letters 74, 504-506 (1999)
79- "Two-color nonlinear localized modes in photonic crystals"
Sukhorukov, A.; Kivshar, Y.; Bang, O.; Martorell, J.; Trull, J.; Vilaseca, R.
Optics and photonics news 10, 34-35 (1999)
80- "Quadratic nonlinear radiation within a 1D photonic crystal"
Trull, J.; Vilaseca, R.; Martorell, J.
Journal of optics B. Quantum and semiclasical optics 1, 307-314 (1999)
81- "Angular dependence of phase matched second harmonic generation in a photonic crystal"
Trull, J.; Martorell, J.; Vilaseca, R.
Journal of the Optical Society of America B. Optical physics 15, 2581-2585 (1998)
82- "Second harmonic generation in a photonic crystal"
Martorell, J.; Vilaseca, R.; Trull, J.; Corbalan, R.
Optics and photonics news 8, 34-35 (1997)
83- "Second-harmonic generation in local modes of a truncated periodic structure"
Trull, J.; Vilaseca, R.; Martorell, J.; Corbalán, R.
Optics letters 20, 1746-1748 (1995)
84- "Fast crystallizing gesb alloys for optical data storage"
Solis, F.; Afonso, C.N.; Trull, J.; Morilla, M.
Journal of applied physics 75, 7788-7794 (1994)