## Tommasi Raffaele

**WORK EXPERIENCE**

December 2004 – Today *Associate Professor of Applied Physics*

University of Bari Aldo Moro, Piazza Umberto I, 70121 Bari (Italy) Teaching university courses Investigation of the optical properties of organic, inorganic and hybrid nanostructured materials by linear, nonlinear and ultrafast spectroscopic techniques. Implementation of a home-made system for Terahertz Time-Domain Spectroscopy (THz-TDS)

February 2001 *Visiting Scientist*

University of Aarhus, Nordre Ringgade 1, 8000 Aarhus (Denmark) Stage ﬁnalised to the development of a Terahertz Time-Domain Spectroscopy system

December 1995 – December 2004 *University Researcher of Applied Physics*

University of Bari Aldo Moro, Piazza Umberto I, 70121 Bari (Italy) Teaching university courses, laboratory measurements and exercises Investigation of the optical properties of organic and inorganic low-dimensional materials by linear and nonlinear spectroscopic techniques

November 1994 – August 1995 *CNRS Researcher*

Centre Nationale de la Recherche Scientiﬁque (CNRS), Ecole Polytechnique, Route de Saclay, 91128 Palaiseau Cedex (France) Investigations of ultrafast carrier-phonon interaction in semiconductors

August 1994 – October 1994 *INFM Fellowship*

University of Bari Aldo Moro, Piazza Umberto I, 70121 Bari (Italy) Implementation of a home-made one- and two-color Z-scan system

June 1993 – July 1994 *CNRS Stagiaire / Attaché de Recherche*

Centre Nationale de la Recherche Scientiﬁque (CNRS), Ecole Polytechnique, Route de Saclay, 91128 Palaiseau Cedex (France) Investigations on ultrafast free carriers relaxation in semiconductors Implementation of a system for the nonlinear generation of synchronised, frequency-tuneable laser fs pulses

November 1992 – May 1993 *INFM Fellowship*

University of Bari Aldo Moro, Piazza Umberto I, 70121 Bari (Italy) Investigation of multi-photon absorption processes in bulk and low-dimensional systems

**EDUCATION AND TRAINING**

1990–1992 *PhD in Physics*

Thesis title: Two-photon absorption processes in bulk- and low-dimensionality systems

Evaluation: Excellent

1984–1989 *Master degree in Physics*

Università degli Studi di Bari

Thesis title: Two-photon absorption processes in GaAs/AlxGa1−xAs semiconductor quantum wells

Evaluation: 110/110 cum laude

1978–1984 High school diploma: Industrial, specialisation in informatics

I.T.I.S. M. Panetti – Bari

**RESEARCH ACTIVITIES**

*Research ﬁelds *

– Multiphoton absorption processes in bulk, cristalline solids

– Multiphoton absorption processes in artiﬁcal, low-dimensional (2D, 1D, 0D) heterostructures

– Relaxation dynamics of free carriers in bulk semiconductors

– Relaxation dynamics of elementary excitations in 2D semiconductors

– Nonlinear optical processes and their temporal dynamics in both organic and inorganic materials

– Development of a CW oximeter based on laser and optical ﬁber

– Determination of the biological tissue oxygenation using non invasive optical techniques

– Design and evelopment of a home-made system for the generation and detection of sub-ps THz pulses (100 GHz–3 THz)

– Design and development of a one- and two-color Z-scan setup for measuring third-order optical nonlinearities

* Experimental Techniques*

– Stimulated Raman Scattering

– Femtosecond Broadband Transient Absorption (fs Pump and Probe)

– Time-Resolved Upconversion Luminescence (TR-PL)

– Time-Correlated Single Photon Counting (TCSPC)

– Terahertz Time-Domain Spectroscopy (THz-TDS)

– One- and Two-color Z-scan

– One- and Two-Photon Absorption Photoluminescence Excitation (OPA-PLE, TPA-PLE)

– UV-Vis-NIR Absorption

* Materials*

– Hybrid organic/inorganic systems

– Nanocomposite materials

– Melanin, Eumelanin

– Molecules for ﬂuoroangiography

– Polimers and Copolimers

– Ionic liquids

– Bulk cristalline solids, multi-quantum wells, quantum wires, quantum dots

*EDUCATIONAL SKILLS AND COMPETENCES*

– Teaching university courses, laboratory measurements and exercises since 1996

• Medical Physics for medical degree • Medical Physics for several health professions

• Spectroscopy for physics degree

• Spectroscopy for material science degree

– Supervision of several BSc, MSc, PhD thesis and student research projects

– collaboration to the textbook Fisica Biomedica, D. Scannicchio, EdiSES, ISBN: 9788879597814

**ORGANISATIONAL SKILLS AND COMPETENCES**

– Member of the European Science Foundation College of Expert Reviewers (20/10/2016 19/10/2019)

– Member of the Pool of Reviewers of the European Science Foundation (01/05/2009 30/04/2012)

– Member of the International Scientiﬁc Committee of the 2002 WSEAS International: Global Optical and Wireless Network Conference (GOWN’02), Miedzyzdroje, WolinIsland (Poland), August 25-30, 2002

– Member of the Organizing Committee of the Workshop on Coherent Effects on Elementary Excitations in Semiconductors (Bari, 5-6 luglio 1997)

– Guest Editor of the Journal of Nonlinear Optical Physics & Materials

– Participation to the International School of Physics “Enrico Fermi” Nonlinear optical materials: principles and applications. Villa Monastero, Varenna, Italy (20-30 Luglio 1993)

– Referee and/or adjudicator for the following international journals: Physical Review Letters; Physical ReviewA; PhysicalReview B; OpticsLetters; JournalofPhysics D:AppliedPhysics; Journal of Physics: Condensed Matter; Journal of Nonlinear Optical Physics & Materials; Synthetic Metals; Journal of Optics A: Pure and Applied Optics; Journal of Optics B: Quantum and Semiclassical Optics; European Journal of Nonlinear Optics; Measurement Science and Technology; Chemical Physics Letters

• Coordinator of ﬁrst year courses for the Medical Degree, School of Medicine, University of Bari Aldo Moro

• President of the”Equivalences Committee”, School of Medicine, University of Bari Aldo Moro

• Member of the committee for the Graduate School in Health Physics, University of Bari Aldo Moro

• Member of the committee for the Graduate School in “Medicina Fisica e Riabilitativa”, University of Bari Aldo Moro

• Member of the committee for the Graduate School in “Igiene e Medicina Preventiva”, University of Bari Aldo Moro

• Member of the committee for the PhDin “Medical Biochemistry and Medical Biology”, Scuola di Medicina, University of Bari Aldo Moro

*PERSONAL SKILLS*

Mother Thongue Italian

Other Languages |
UNDERSTANDING |
SPEAKING |
WRITING |
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Listening |
Reading |
Spoken Interaction |
Spoken Production |
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English | C2 | C1 | B2 | C1 | C2 |

French | C2 | C2 | C2 | C2 | B1 |

Levels: A1 and A2: Basic User – B1 and B2: Indipendent User – C1 and C2: Proficient User

Common European Framework of Reference for Languages

*COMPUTER SKILLS AND COMPETENCES*

– Mac Standard Tools

– Windows Standard Tools

– LaTeX

– Origin Lab

– Moodle

– HITRAN

**PUBLICATIONS**

[1] A. Aloi and R. TOMMASI, “Inverse Raman scattering in femtosecond broadband transient absorption experiments,” in Raman Spectroscopy and Applications (K. Maaz, ed.), INTECH, 2017.

[2] L. Triggiani, A. Brunetti, A. Aloi, R. Comparelli, M. L. Curri, A. Agostiano, M. Striccoli, and R. TOMMASI, “Abstracts from the X INSTM National Conference on Materials Science and Technology “KE-MAT! Key Enabling Material”,” J. Appl. Biomater. Funct. Mater., vol. 14, no. 1, p. e106, 2016.

[3] M. Arciuli, A. Brunetti, D. Fiocco, V. Zacchino, G. Centoducati, A. Aloi, R. TOMMASI, A. Santeramo, F. D. Nitto, and A. Gallone, “A multidisciplinary study of the extracutaneous pigment system of European sea bass (Dicentrarchus labrax L.). A possible relationship between kidney disease and dopa oxidase activity level,” FISH AND SHELLFISH IMMUNOLOGY, vol. 42, pp. 184– 192, 2015.

[4] E. Binetti, M. Striccoli, T. Sibillano, C. Giannini, R. Brescia, A. Falqui, R. Comparelli, M. Corricelli, R. TOMMASI, A. Agostiano, and M. L. Curri, “Tuning light emission of PbS nanocrystals from infrared to visible range by cation exchange,” SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS, vol. 16, pp. 055007–055016, 2015.

[5] A. Panniello, M. Corricelli, R. Comparelli, M. L. Curri, A. Agostiano, R. TOMMASI, and M. Striccoli, “Recombination Dynamics of Colloidal Nanocrystals in Functionalized-Poly-Methylmethacrylate Nanocomposites,” NANOSCIENCE AND NANOTECHNOLOGY LETTERS, vol. 7, pp. 67–73, 2015.

[6] A. Aloi, A. Brunetti, G. Perna, M. Lasalvia, V. Capozzi, and R. TOMMASI, “Ultrafast transient absorption of eumelanin suspensions: the role of inverse Raman scattering,” BIOMEDICAL OPTICS EXPRESS, vol. 6, pp. 4000–4013, 2015.

[7] L. Triggiani, A. Brunetti, A. Aloi, R. Comparelli, M. L. Curri, A. Agostiano, M. Striccoli, and R. TOMMASI, “ExcitationDependent Ultrafast Carrier Dynamics of Colloidal TiO2 Nanorods in Organic Solvent,” JOURNAL OF PHYSICAL CHEMISTRY. C, NANOMATERIALS AND INTERFACES, vol. 118, pp. 25215–25222, 2014.

[8] E. Binetti, A. Panniello, R. TOMMASI, A. Agostiano, S. Fantini, M. L. Curri, and M. Striccoli, “Interaction of TiO2 nanocrystals with imidazolium-based ionic liquids,” JOURNAL OF PHYSICAL CHEMISTRY. C., vol. 117, pp. 12923–12929, 2013.

[9] A. Panniello, E. Binetti, C. Ingrosso, M. L. Curri, A. Agostiano, R. TOMMASI, and M. Striccoli, “Semiconductor nanocrystals dispersed in imidazolium-based ionic liquids: a spectroscopic and morphological investigation,” JOURNAL OF NANOPARTICLE RESEARCH, vol. 15, no. 4, p. 1567, 2013.

[10] E.Binetti,A.Panniello,L.Triggiani,R.TOMMASI,A.Agostiano,M.L.Curri,andM.Striccoli,“Spectroscopicstudyonimidazolium based ionic liquids: effect of alkyl chain length and anion,” JOURNAL OF PHYSICAL CHEMISTRY B, CONDENSED MATTER, MATERIALS, SURFACES, INTERFACES AND BIOPHYSICAL, vol. 116, no. 11, pp. 3512–3518, 2012.

[11] F. Babudri, A. Cardone, T. Cassano, G. M. Farinola, F. Naso, and R. TOMMASI, “Synthesis and optical properties of a poly(2’,5’-dioctyloxy-4,4’,4”-terphenylenevinylene) with high content of (z) vinylene units,” JOURNAL OF ORGANOMETALLIC CHEMISTRY, vol. 693, pp. 2631–2636, 2008.

[12] C. Sciancalepore, T. Cassano, M. L. Curri, D. Mecerreyes, A. Valentini, A. Agostiano, R. TOMMASI, and M. Striccoli, “Tio(2) nanorods/pmma copolymer-based nanocomposites: highly homogeneous linear and nonlinear optical material,” NANOTECHNOLOGY, vol. 19, pp. 19(20)–205705/8, 2008.

[13] T. Cassano, R. TOMMASI, M. Arca, and F. A. Devillanova, “Investigation of the nonlinear absorption of dithiolene complexes in the pico- and nanosecond timescales using the z-scan technique,” JOURNAL OF PHYSICS. CONDENSED MATTER, vol. 18, pp. 5279–5290, 2006.

[14] N. Cardascia, R. TOMMASI, M. Vetrugno, P. M. Lugarà, and C. Sborgia, “Indocyanine green laser retinal oximetry: preliminary results,” in Oxygen Transport to Tissue XXVII (G. Cicco, D. F. Bruley, M. Ferrari, and D. K. Harrison, eds.), vol. 578 of Advances in Experimental Medicine and Biology, pp. 143–148, Springer, Boston, MA, 2006.

[15] R. TOMMASI, M. G. Leo, G. Cicco, T. Cassano, L. Nitti, and P. M. Lugarà, “Preliminary results of oxygen saturation with a prototype of a cw laser oximeter,” in Oxygen Transport to Tissue XXVII (G. Cicco, D. F. Bruley, M. Ferrari, and D. K. Harrison, eds.), vol. 578 of Advances in Experimental Medicine and Biology, pp. 55–66, Springer, Boston, MA, 2006.

[16] T. Cassano, R. TOMMASI, A. P. Meacham, and M. D. Ward, “Investigation of the excited states absorption of a ru dioxolene complex by the z-scan technique,” THE JOURNAL OF CHEMICAL PHYSICS, vol. 122, p. 154507, 2005.

[17] T. Cassano, R. TOMMASI, M. Arca, F. A. Devillanova, and F. Lelj, Recent Research Developments in Chemical Physics, vol. 5, ch. Synthesis, linear and nonlinear optical properties of [M(R,R’timdt)2] metal-dithiolenes for NIR applications (M = Ni, Pd, Pt; R,R’timdt = disubstituted monoreduced imidazolidine-2,4,5-trithione), pp. 553–571. TRIVANDRUM-695023 KERALA: TRANSWORLD RESEARCH NETWORK, 2004.

[18] R. Comparelli, F. Zezza, M. Striccoli, M. L. Curri, R. TOMMASI, and A. Agostiano, “Improved optical properties of cds quantum dots by ligand exchange,” MATERIALS SCIENCE AND ENGINEERING. C, BIOMIMETIC MATERIALS, SENSORS AND SYSTEMS, vol. 23, pp. 1083–1086, 2003.

[19] P. Romaniello, M. C. Aragoni, M. Arca, T. Cassano, C. Denotti, F. A. Devillanova, F. Isaia, F. Lelj, V. Lippolis, and T. R., “Ground and excited states of [m(h2timdt)2] neutral dithiolenes (m = ni, pd, pt; h2timdt = monoanion of imidazolidine-2,4,5-trithione): description within td-dft and scalar relativistic (zora) approaches,” JOURNAL OF PHYSICAL CHEMISTRY. A, MOLECULES, SPECTROSCOPY, KINETICS, ENVIRONMENT, AND GENERAL THEORY, vol. 107, pp. 9679–9687, 2003.

[20] F. Babudri, A. Cardone, G. M. Farinola, F. Naso, T. Cassano, L. Chiavarone, and R. TOMMASI, “Synthesis and optical properties of a copolymer of tetraﬂuoro- and dialkoxy-substituted poly (p-phenylenevinylene) with a high percentage of ﬂuorinated units,” MACROMOLECULAR CHEMISTRY AND PHYSICS, vol. 204, pp. 1621–1627, 2003.

[21] T. Cassano, R. TOMMASI, F. Babudri, A. Cardone, G. M. Farinola, and F. Naso, “Investigation of luminescence in new blueemitting poly(2 ’,5 ’-dioctyloxy-4,4 ’,4 ”-terphenylenevinylene)s,” SYNTHETIC METALS, vol. 139, pp. 827–830, 2003.

[22] F. Zezza, R. Comparelli, M. Striccoli, M. L. Curri, R. TOMMASI, and A. Agostiano, “High quality CdS nanocrystals: surface effects,” SYNTHETIC METALS, vol. 139, pp. 597–600, 2003.

[23] A. Ronchi, T. Cassano, R. TOMMASI, F. Babudri, A. Cardone, G. M. Farinola, and F. Naso, “χ(3) measurements in novel poly (2 ’,5 ’-dioctyloxy-4,4 ’,4 ”-terphenylenevinylene) using the Z-scan technique,” SYNTHETIC METALS, vol. 139, pp. 831–834, 2003.

[24] M. C. Aragoni, M. Arca, T. Cassano, C. Denotti, F. A. Devillanova, R. Frau, F. Isaia, F. Lelj, V. Lippolis, L. Nitti, P. Romaniello, and R. TOMMASI, “NIR-Dyes Based on [M(R,R’timdt)2] Metal-Dithiolenes: Additivity of M, R, and R’ Contributions to Tune the NIR Absorption(M=Ni,Pd,Pt; R, R’timdt=monoreduced form of disubstituted imidazolidine-2,4,5-trithione), ”EUROPEANJOURNAL OF INORGANIC CHEMISTRY, pp. 1939–1947, 2003.

[25] T.Cassano, R.TOMMASI, G.Lanzani, M.Nisoli, S.Stagira, S.D.Silvestri, F.Babudri, G.M.Farinola, andF.Naso, “Femtosecond relaxation dynamics in dialkoxy-substituted poly-(p-phenylenevinylene) derivatives, ”OPTICALMATERIALS, vol.21,pp.325–329, 2002.

[26] T. Cassano, R. TOMMASI, F. Babudri, A. Cardone, G. M. Farinola, and F. Naso, “High third-order nonlinear optical susceptibility in new ﬂuorinated poly(p-phenylenevinylene) copolymers measured with the Z-scan technique,” OPTICS LETTERS, vol. 27, pp. 2176–2178, 2002.

[27] M. C. Aragoni, M. Arca, T. Cassano, C. Denotti, F. A. Devillanova, F. Isaia, V. Lippolis, D. Natali, M. Sampietro, R. TOMMASI, and G. Verani, “Photoinduced conductivity and nonlinear optical properties of [M(R,R’timdt)2] dithiolenes (M=Ni, Pd, Pt; R,R’= monoreduced imidazolidine-2,4,5-trithione) as materials for optically driven switches and photodetectors,” INORGANIC CHEMISTRY COMMUNICATIONS, vol. 5, pp. 869–872, 2002.

[28] R. TOMMASI, L. Nitti., T. Cassano, M. C. Aragoni, M. Arca, C. Denotti, F. A. Devillanova, F. Isaia, V. Lippolis, F. Lelj, and P. Romaniello, “Time-resolved absorption saturation dynamics in new ﬂuorinated [M(R,R’timdt)2] metal-dithiolenes,” in Nonlinear Optics: Materials, FundamentalsandApplications(A.Sawchuk, ed.), vol.79ofTrendsinOpticsandPhotonics, p.WE23, Optical Society of America, 2002.

[29] R. TOMMASI, T. Cassano, G. M. Farinola, F. Babudri, A. Cardone, and F. Naso, “Nonlinear optical measurements in copoly (2,3,5,6-tetraﬂuoro-1,4-phenylenevinylene-2,5-dialkoxy-1,4-phenylenevinylene) susingtheZ-scantechnique, ”inNonlinear Optics: Materials, Fundamentals and Applications (A. Sawchuk, ed.), vol. 79 of OSA Trends in Optics and Photonics, p. WE24, Optical Society of America, 2002.

[30] G. M. Farinola, T. Cassano, R. TOMMASI, F. Babudri, A. Cardone, and F. Naso, “Third-order nonlinear optical properties of copoly(2,3,5,6-tetraﬂuoro-1,4-phenylenevinylene-2,5-dialkoxyphenylenevynilene)s: a novel class of push-pull substituted PPVs,” in SPIE “Linear and Non-Linear Optics of Organic Materials” (M. Eich and M. G. Kuzyk, eds.), vol. 4461, p. 246, 2001.

[31] S. Stagira, M. Nisoli, G. Lanzani, S. D. Silvestri, T. Cassano, R. TOMMASI, F. Babudri, G. M. Farinola, and F. Naso, “Intrachain charge generation and recombination in alkoxy-substituted poly-(p-phenylenevinylene) ﬁlms,” PHYSICAL REVIEW. B, CONDENSED MATTER AND MATERIALS PHYSICS, vol. 64, pp. 2052051–2052058, 2001.

[32] T. Cassano, R. TOMMASI, M. Ferrara, F. Babudri, G. M. Farinola, and F. Naso, “Substituent-dependence of the optical nonlinearities in poly(2,5-dialkoxy-p-phenylenevinylene) polymers investigated by the Z-scan technique,” CHEMICAL PHYSICS, vol. 272, pp. 111–118, 2001.

[33] T. Cassano, R. TOMMASI, M. Ferrara, F. Babudri, G. M. Farinola, and F. Naso, “Third-order nonlinear optical properties of 2,5-dialkoxy-substituted poly-(p-phenylenevinylene)s,” MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY. SECTION B, NONLINEAR OPTICS, vol. 27, pp. 489–500, 2001.

[34] M. C. Aragoni, M. Arca, T. Cassano, F. A. Devillanova, M. Ferrara, and R. TOMMASI, “Picosecond absorption saturation dynamics of new [M(R,R’timdt)2] metal-dithiolenes,” in Nonlinear Optics for the Information Society, Proceedings of the Third Annual Meeting of the COST Action P2 (A. Driessen, ed.), p. 149, Kluwer Academic Publishers, 2001.

[35] T.Cassano, R.TOMMASI,M.Ferrara, F.Babudri, G.M.Farinola, andF.Naso, “Substituent-dependenceofthethird-orderoptical nonlinearities of 2,5 dialkoxy-PPV derivatives,” in SPIE “Linear, Nonlinear, and Power Limiting Organics” (E. M., K. M. G., L. C. M., and N. R. A., eds.), vol. 4106, p. 395, 2000.

[36] M. C. Netti, C. Gadaleta, N. D. Fatti, F. Vallèe, and R. TOMMASI, “Ultrafast localized exciton dynamics in ZnCdSe-ZnSe multiquantum wells,” PHYSICAL REVIEW. B, CONDENSED MATTER AND MATERIALS PHYSICS, vol. 61, p. 15637, 2000.

[37] M. C. Netti, C. Gadaleta, N. Del Fatti, F. Vallèe, and R. TOMMASI, “Ultrafast exciton dynamics in ternary II-VI semiconductor quantum wells,” PHYSICAL REVIEW. B, CONDENSED MATTER AND MATERIALS PHYSICS, vol. 60, p. 4902, 1999.

[38] M. C. Netti, C. Gadaleta, N. Del Fatti, F. Vallèe, and R. TOMMASI, “Ultrafast exciton broadening in ternary II-VI semiconductor quantum wells,” PHYSICA B, CONDENSED MATTER, vol. 272, p. 381, 1999.

[39] N.DelFatti, P.Langot, R.TOMMASI, and F.Vallée, “Temperature–dependent electron–lattice thermalization in GaAs, ”PHYSICAL REVIEW. B, CONDENSED MATTER AND MATERIALS PHYSICS, vol. 59, p. 4576, 1999.

[40] M. C. Netti, N. D. Fatti, C. Gadaleta, R. TOMMASI, F. Vallée, L. Vanzetti, and A. Franciosi, “Femtosecond exciton dynamics in ZnCdSe-ZnSe multiquantum wells, ”in Proceedings of the 24th ICPS International Conference on the Physics of Semiconductors (D. Gershoni, ed.), (Singapore), Word Scientiﬁc, 1999.

[41] A. Adinolﬁ, T. Cassano, R. TOMMASI, and M. Ferrara, “Z-scan measurements of optical nonlinearities in bulk LiNbO3,” MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY. SECTION B, NONLINEAR OPTICS, vol. 21, p. 327, 1999.

[42] A. Adinolﬁ, M. C. Netti, M. Lepore, R. TOMMASI, and I. M. Catalano, “Measurements of multiphoton absorption coefﬁcients in ZnSe/ZnSxSe1−x strained-layer superlattices,” MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY. SECTION B, NONLINEAR OPTICS, vol. 21, p. 317, 1999.

[43] N. Del Fatti, P. Langot, R. TOMMASI, and F. Vallée, “Ultrafast hole relaxation in III-V semiconductors,” in SPIE “Ultrafast Phenomena in Semiconductors II” (K. T. Tsen and H. R. Fetterman, eds.), vol. 3277, p. 96, 1998.

[44] N. Del Fatti, F. Ganikhanov, P. Langot, R. TOMMASI, and F. Vallée, “Optical phonon coherence and population decays in III-V semiconductors,” JOURNAL OF NONLINEAR OPTICAL PHYSICS AND MATERIALS, vol. 7, p. 271, 1998.

[45] M.DabbiccoandR.Tommasi,“Preface,”JOURNALOFNONLINEAROPTICALPHYSICSANDMATERIALS,vol.7,p.R5,1998.

[46] N. Del Fatti, P. Langot, R. TOMMASI, and F. Vallée, “Ultrafast hole-phonon interactions in GaAs,” APPLIED PHYSICS LETTERS, vol. 71, p. 75, 1997.

[47] P. Langot, N. Del Fatti, R. TOMMASI, and F. Vallée, “High repetition rate nonlinear generation of sinchronized frequency tunable femtosecond pulses,” OPTICS COMMUNICATIONS, vol. 137, p. 285, 1997.

[48] P. Langot, N. Del Fatti, D. Christoﬁlos, R. TOMMASI, and F. Vallée, “Femtosecond investigation of the hot-phonon effect in GaAs at room temperature,” PHYSICAL REVIEW. B, CONDENSED MATTER, vol. 54, p. 14487, 1996.

[49] F. Vallée, P. Langot, and R. TOMMASI, “Ultrafast hole heating in intrinsic GaAs,” in Hot Carriers in Semiconductors (K. Hess, J. P. Leburton, and U. Ravaioli, eds.), (New York), p. 105, Plenum Press, 1996.

[50] M. C. Netti, M. Lepore, A. Adinolﬁ, R. TOMMASI, I. M. Catalano, L. Vanzetti, L. Sorba, and A. Franciosi, “Excitonic properties in Zn1−xCdxSe/ZnSe multi-quantum wells by one- and two-photon spectroscopy,” JOURNAL OF APPLIED PHYSICS, vol. 80, p. 2908, 1996.

[51] P. Langot, N. Del Fatti, R. TOMMASI, and F. Vallée, “Direct correlation of electron-lattice thermalization with the LO phonon lifetime in GaAs,” in Proceedings of the 23rd ICPS International Conference on the Physics of Semiconductors (G. Landwehr, I. Broser, and D. Bimberg, eds.), (Singapore), p. 225, Word Scientiﬁc, 1996.

[52] P. Langot, N. Del Fatti, R. TOMMASI, and F. Vallée, “Femtosecond investigation of the hole-phonon interactions in GaAs,” in Proceedings of the 23rd ICPS International Conference on the Physics of Semiconductors (G. Landwehr, I. Broser, and D. Bimberg, eds.), (Singapore), p. 665, Word Scientiﬁc, 1996.

[53] P. Langot, R. TOMMASI, and F. Vallée, “Nonequilibrium hole relaxation dynamics in an intrinsic semiconductor,” PHYSICAL REVIEW. B, CONDENSED MATTER, vol. 54, pp. 1775–1775, 1996.

[54] P. Langot, N. Del Fatti, R. TOMMASI, and F. Vallée, “Ultrafast hole-phonon interactions in GaAs,” in Proceedings of Quantum Electronics and Laser Science Conference, vol. 9 of OSA Technical Digest Series, p. 174, Optical Society of America, 1996.

[55] R. TOMMASI, P. Langot, N. Del Fatti, , and F. Vallée, “Femtosecond investigation of the dominant cold hole scattering process in GaAs,” in Proceedings of UPS ’95 Ninth International Conference on Ultrafast Processes in Spectroscopy (O. Svelto, S. De Silvestri, and G. Denardo, eds.), (New York), p. 195, Plenum Press, 1996.

[56] P. Langot, R. TOMMASI, and F. Vallée, “Cold-phonon effect on electron heating in GaAs,” SOLID STATE COMMUNICATIONS, vol. 98, pp. 171–174, 1996.

[57] P.Langot, N.DelFatti, R.TOMMASI, and F.Vallée, “Relaxation ultrarapide des trous libre dans les semi-conducteurs, ”ANNALES DE PHYSIQUE, vol. 20, p. 549, 1995.

[58] M. C. Netti, M. Lepore, A. Adinolﬁ, R. TOMMASI, I. M. Catalano, and I. Suemune, “Two-photon absorption spectroscopy in ZnSe/ZnSSe strained-layer superlattices,” Il Nuovo Cimento D, vol. 17, no. 11-12, p. 1635, 1995.

[59] F. Vallée, P. Langot, and R. TOMMASI, “Femtosecond hole thermalization in bulk GaAs,” in Proceedings of Quantum Electronics and Laser Science Conference, vol. 16 of OSA Technical Digest Series, (Washington D. C.), p. 266, Optical Society of America, 1995.

[60] M. Lepore, R. TOMMASI, M. C. Netti, I. M. Catalano, and I. Suemune, “One- and two-photon spectrocopy in ZnSe/ZnSSe strained-layer superlattices,” VUOTO, SCIENZA E TECNOLOGIA, vol. 24, pp. 46–46, 1995.

[61] P. Antuofermo, A. Cacucci, L. C. Midolo, M. Striccoli, O. De Pascale, P. M. Lugarà, G. Scamarcio, R. TOMMASI, V. Spagnolo, I. M. Catalano, R. Cingolani, and R. Rinaldi, “Fabrication, structural analysis and optical investigation of GaAs gratings and GaAs/AlGaAs quantum wires,” ADVANCES IN SCIENCE AND TECHNOLOGY, vol. 11, p. 351, 1995.

[62] M. Dabbicco, G. Scamarcio, V. Spagnolo, R. TOMMASI, P. M. Lugarà, I. M. Catalano, R. Cingolani, M. Lomascolo, C. Stevens, R. Taylor, and J. Ryan, “Exciton-phonon coupling in znse/znsxse1-x multiple-quantum-well structures,” ADVANCES IN SCIENCE AND TECHNOLOGY, vol. 11, p. 331, 1995.

[63] R. TOMMASI, P. Langot, and F. Vallée, “Femtosecond hole thermalization in bulk GaAs,” APPLIED PHYSICS LETTERS, vol. 66, p. 1361, 1995.

[64] M. Lepore, M. C. Netti, R. TOMMASI, I. M. Catalano, and I. Suemune, “Polarization dependence of two-photon absorption in ZnSe/ZnSSe strained-layer superlattices,” SOLID STATE COMMUNICATIONS, vol. 92, p. 695, 1994.

[65] R. TOMMASI, M. Lepore, M. C. Netti, I. M. Catalano, and I. Suemune, “Excitonic properties in ZnSe/ZnSxSe1−x, strained–layer superlattices by one– and two–photon spectroscopy,” PHYSICAL REVIEW. B, CONDENSED MATTER, vol. 49, p. 14367, 1994.

[66] R. Cingolani, M. Lepore, R. TOMMASI, H. Lage, D. Heitmann, and K. Ploog, “Two-photon absorption in low-dimensional heterostructures,” JOURNAL DE PHYSIQUE IV, vol. 3, p. 131, 1993.

[67] M. Dabbicco, R. TOMMASI, R. Cingolani, M. Lepore, M. Ferrara, I. Suemune, and Y. Kuroda, “Exciton scattering processes in ZnSe/ZnSSe MQW structures,” JOURNAL DE PHYSIQUE IV, vol. 3, pp. 91–94, 1993.

[68] M.Lepore, R.TOMMASI, and I.M. Catalano, “Three-photon spectroscopy in an indirect gap material: CdI2,”PHYSICAL REVIEW. B, CONDENSED MATTER, vol. 47, p. 7580, 1993.

[69] R. TOMMASI, M. Lepore, and I. M. Catalano, “Two-photon absorption coefﬁcient spectrum in CdSSe nanocrystals by nonlinear luminescence technique,” SOLID STATE COMMUNICATIONS, vol. 85, p. 539, 1993.

[70] R. TOMMASI, M. Lepore, M. C. Netti, and I. M. Catalano, “Excitonic properties in ZnSe/ZnSSe strained layer superlattices by one- and two-photon spectroscopy,” in Proceedings of EQEC 93-4th European Quantum Electronic Conference (P. de Natale, R. Meucci, and S. Pelli, eds.), vol. II, p. 1046, 1993.

[71] R. Cingolani, M. Lepore, R. TOMMASI, I. M. Catalano, H. Lage, D. Heitmann, K. Ploog, A. Shimizu, H. Sakaki, and T. Ogawa, “Anisotropic selection rules in two-photon absorption of GaAs quantum wires,” SUPERLATTICES AND MICROSTRUCTURES, vol. 13, p. 71, 1993.

[72] R. TOMMASI, G. Scamarcio, M. Lepore, V. Spagnolo, P. M. Lugarà, I. Catalano, M. Ferrara, and C. Flytzanis, “Optical and vibrational properties of CdS1−xSex quantum dots embedded in glass,” VUOTO, SCIENZA E TECNOLOGIA, vol. 22, pp. 120– 122, 1992.

[73] R. TOMMASI, M. Lepore, M. Ferrara, and I. M. Catalano, “Observation of high index states in CdS1−xSex semiconductor microcrystallite by two-photon spectroscopy,” PHYSICAL REVIEW. B, CONDENSED MATTER, vol. 46, p. 12261, 1992.

[74] R. Cingolani, M. Lepore, R. TOMMASI, I. M. Catalano, H. Lage, D. Heitmann, K. Ploog, A. Shimizu, H. Sakaki, and T. Ogawa, “Two-photon absorption in GaAs quantum wires,” PHYSICAL REVIEW LETTERS, vol. 69, p. 1276, 1992.

[75] G. Scamarcio, C. Moro, R. TOMMASI, M. Lepore, V. Spagnolo, P. M. Lugarà, I. M. Catalano, M. Ferrara, and C. Flytzanis, “Inﬂuence of size-dependent lattice contraction on phonons and excitons of CdS1−xSex quantum dots embedded in glass,” in Proceedings of the 21th International Conference on Physics of Semiconductors (P. Jiang and H. Zheng, eds.), (Singapore), p. 1374, Word Scientiﬁc, 1992.

[76] R. TOMMASI, I. M. Catalano, M. Ferrara, and C. Flytzanis, “Two–photon absorption spectroscopy in CdS1−xSex semiconductor microcrystallites,” in Proceedings of the International Conference From Galileo’s “occhialino” to Optoelectronics: Frontiers of Optical Systems and Materials (P. Mazzoldi, ed.), (Singapore), p. 934, Word Scientiﬁc, 1992.

[77] M. Lepore, R. TOMMASI, and I. M. Catalano, “Spectral behavior of three-photon absorption coefﬁcient in II-VI compounds: ZnO, CdS and ZnSe,” SOLID STATE COMMUNICATIONS, vol. 84, p. 463, 1992.

[78] R. Cingolani, C. Moro, M. Ferrara, I. M. Catalano, M. Dabbicco, M. Lepore, R. TOMMASI, and K. Ploog, “Optoelectronic properties of GaAs/AlGaAs and GaInAs/AlInAs multi quantum well structures,” in Materials for Photonic Devices (A. D’Andrea, A. Lapiccirella, G. Marletta, and S. Viticoli, eds.), (Singapore), p. 206, Word Scientiﬁc, 1991.

[79] I. M. Catalano, R. Cingolani, M. Lepore, and R. TOMMASI, “Multiphoton absorption in GaAs multiple quantum wells,” in Conference Proceedings “Quantum Electronics and Plasma Physics” 6th Italian Conference (G. C. Righini, ed.), vol. 29, (Bologna), pp. 257–264, SIF, 1991.

[80] C. Moro, M. Lepore, R. Cingolani, R. TOMMASI, M. Ferrara, I. M. Catalano, K. Ploog, and A. Fischer, “Stimulated emission induced by two-photon absorption in GaAs quantum wells,” PHYSICAL REVIEW. B, CONDENSED MATTER, vol. 44, p. 8384, 1991.

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