Tommasi Raffaele


Contatti
Sede: Bari
Qualifica: Associato
Ruolo: Professore Associato
Email: tommasi@fisica.uniba.it
Telefono: +39 080 544 8561
Cell.: +393490971255
Skype: raffaele_tommasi_365


 

ESPERIENZA PROFESSIONALE

dicembre 2004–oggi Professore associato di fisica applicata (SSD FIS07)

Università degli Studi di Bari Aldo Moro, Piazza Umberto I – 70121 Bari (I) Insegnamento in corsi universitari Studio delle proprietà ottiche di materiali organici, inorganici e ibridi utilizzando tecniche spettroscopiche lineari, nonlineari e ultraveloci. Implementazione di un sistema per la Terahertz Time-Domain Spectroscopy (THz-TDS)

febbraio 2001 Visiting Scientist

Università di Aarhus, Nordre Ringgade 1, 8000 Aarhus (Danimarca) Stage finalizzato allo sviluppo di un sistema per la Terahertz Time-Domain Spectroscopy (THzTDS)

dicembre 1995–dicembre 2004 Ricercatore Universitario (SSD B01B)

Università degli Studi di Bari Aldo Moro, Piazza Umberto I, 70121 Bari (Italy) Insegnamento in corsi universitari, di laboratorio ed esercitazioni Studio delle proprietà ottiche di materiali organici e inorganici a bassa dimensionalità utlizzando tecniche spettroscopiche lineari e nonlineari

novembre 1994–agosto 1995 Ricercatore CNRS

Centre Nationale de la Recherche Scientifique (CNRS), Ecole Polytechnique, Route de Saclay, 91128 Palaiseau Cedex (FR) Studio dei processi d’interazione ultrarapidi elettrone-fonone nei semiconduttori

agosto1994–ottobre 1994 Borsista INFM

Università degli Studi di Bari Aldo Moro, Piazza Umberto I, 70121 Bari (Italy) Implementazione di un sistema spettroscopico di Z-scan ad uno- e due-colori

giugno 1993– luglio 1994 CNRS Stagiaire / Attaché de Recherche

Laboratoire d’Optique Quantique du Centre Nationale de la Recherche Scientifique (CNRS), Ecole Polytechnique, Route de Saclay, 91128 Palaiseau Cedex (FR) Implementazione di un sistema per la generazione non lineare di impulsi laser aifs sincronizzati e indipendentemente accordabili in frequenza

novembre 1992– maggio 1993 Borsista INFM

Università degli Studi di Bari Aldo Moro, Piazza Umberto I, 70121 Bari (Italy) Studio dei processi di assorbimento a multi-fotoni in sistemi di volume ed a ridotta dimensionalità

 

ISTRUZIONE E FORMAZIONE

1990–1992 Dottorato di Ricerca in Fisica (V ciclo)

Titolo della tesi: Processi di assorbimento a multifotoni in materiali di volume ed a dimensionalità ridotta Giudizio: ottimo; esame nazionale sostenuto nel settembre 2003, data ufficiale di conseguimento del titolo: 20/10/2005

1984–1989 Laurea in Fisica

Università degli Studi di Bari Titolo della tesi: Processi di assorbimento a due fotoni nei semiconduttori a buca quantica di GaAs/AlxGa1−xAs Votazione: 110/110 e lode

1978–1984 Maturità tecnica industriale con specializzazione in informatica

ITIS M. Panetti – Bari

 

ATTIVITÀ DI RICERCA

Campi di ricerca

– processi d’assorbimento a multifotoni in solidi cristallini di volume

– processi d’assorbimento a multifotoni in eterostrutture artificiali di semiconduttori a ridotta dimensionalità (2D, 1D, 0D)

– dinamica di rilassamento di portatori liberi in semiconduttori 3D

– dinamica di rilassamento di eccitazioni elementari in semiconduttori 2D

– processi ottici nonlineari e loro dinamica temporale in materiali sia organici sia inorganici

– prototipo di ossimetro laser a fibre ottiche: realizzazione, valutazione della sicurezza e misure preliminari

– determinazione dell’ossigenazione dei tessuti biologici con metodi ottici non invasivi

– progettazione e realizzazione di un sistema per la generazione e la rivelazione di impulsi ultrabrevi (sub-picosecondo) nella regione spettrale del lontano infrarosso (100 GHz 3 THz) per applicazioni mediche ed ambientali

– progettazione e realizzazione di un sistema per lo Z-scan ad uno e a due colori per la misura di non linearità ottiche al terz’ordine

 

Tecniche sperimentali

– 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)

– assorbimento UV-Vis-NIR

 

Materiali

– sistemi ibridi organico/inorganico

– materiali nanocompositi

– melanina, eumelanina

– molecole per fluoroangiografia

– polimeri e copolimeri

– liquidi ionici – solidi cristallini di volume, multi-quantum wells, quantum wires, quantum dots

 

COMPETENZE DIDATTICHE

– Insegnamenti in corsi universitari, esperienze di laboratorio ed esercitazioni dal 1996

• Fisica Medica, CdL in Medicina e Chirurgia

• Fisica Medica, numerosi CdL nelle Professioni Sanitarie

• Spettroscopia, CdL Fisica Specialistica

• Spettroscopia, CdL Scienza dei Materiali Specialistica

– Supervisione di numerose tesi di laurea triennali, quadriennali, specialistiche e di dottorato, oltre che di progetti di ricerca studenteschi

– collaborazione alla stesura del testo universitario Fisica Biomedica, acuradiD.Scannicchio, EdiSES, ISBN: 9788879597814

 

CAPACITÀ E COMPETENZE ORGANIZZATIVE

– è membro del European Science Foundation College of Expert Reviewers (20/10/2016 19/10/2019)

– ha fatto parte del Pool of Reviewers della European Science Foundation nel periodo 01/05/2009 – 30/04/2012

– è stato invitato a far parte del comitato scientifico internazionale della conferenza 2002 WSEAS International: Global Optical and Wireless Network Conference (GOWN’02), Miedzyzdroje, Wolin Island (Poland), August 25-30, 2002

– ha fatto parte del comitato organizzatore del Workshop on Coherent Effects on Elementary Excitations in Semiconductors (Bari, 5-6 luglio 1997);

– guest editor della rivista internazionale Journal of Nonlinear Optical Physics & Materials

– invito a far parte della commissione esaminatrice di una tesi di dottorato dell’Ecole Polytechnique di Palaiseau (F), luglio 1995

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

– svolge/ha svolto il ruolo di referee e/o adjudicator per le seguenti riviste scientifiche con comitato diredazione internazionale: PhysicalReviewLetters;PhysicalReviewA;PhysicalReview B; Optics Letters; Journal of Physics D: Applied Physics; 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

– è stato moderatore al Convegno Dal Cyberknife® alla nano-radioterapia, MaterDei Hospital, 8 aprile 2017, Bari

• è coordinatore del I anno di corso, CdL Medicina e Chirurgia, Scuola di Medicina, Università degli Studi di Bari Aldo Moro

• è presidente della Commissione Equipollenze, CdL Medicina e Chirurgia, Scuola di Medicina, Università degli Studi di Bari Aldo Moro • è componente del comitato ordinatore Scuola di Specializzazione in Fisica Medica, Scuola di Medicina, Università degli Studi di Bari Aldo Moro

• è componente del comitato ordinatore Scuola di Specializzazione in Medicina Fisica e Riabilitativa, Scuola di Medicina, Università degli Studi di Bari Aldo Moro

• è stato componente del comitato ordinatore Scuola di Specializzazione in Igiene e Medicina Preventiva, Scuola di Medicina, Università degli Studi di Bari Aldo Moro

• è stato componente del collegio dei docenti del Dottorato di Ricerca in “Biochimica Medica e Biologia Medica”, Scuola di Medicina, Università degli Studi di Bari Aldo Moro

 

COMPETENZE LINGUISTICHE

Lingua madre Italiano

Altre Lingue COMPRENSIONE PARLATO PRODUZIONE SCRITTA
Ascolto Lettura Interazione Produzione orale
Inglese C2 C1 B2 C1 C2
Francese C2 C2 C2 C2 B1

Livelli: A1 e A2: Utente base – B1 e B2: Utente autonomo – C1 e C2: Utente avanzato

Quadro comune Europeo di Riferimento delle Lingue

 

COMPETENZE INFORMATICHE

– Applicazioni standard di Mac

– Applicazioni standard di Windows

– LaTeX

– Origin Lab

– Moodle

– HITRAN

 

PUBBLICAZIONI
[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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