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Dr. Martini’s research analyzes Ultrafast switching devices based on semiconductor and semiconductor heterostructures; Ultrafast laser sources (100fs and below) and their application in spectroscopy, communication, material testing; Generation, detection, and application of time-resolved terahertz (100 GHz - 5000 GHz) radiation; Free Sapce Optical Communication using new wavelength (infrared) as well as ultrashort pulses; Infrared laser communication at ultrahigh speed, and Infrared camera systems using new alternate approaches.
He is the Director of the Ultrafast Laser Spectroscopy & Communication Laboratory, which investigates the high-speed response of new lasers and materials, as well as passive and active optical systems using ultrashort laser pulses. He uses the results of research conducted in his lab to look for new ways and possibilities to realize ultrahigh-speed communication networks in the visible and IR-spectrum with Terahertz bandwidth and above.
Dr. Martini’s work has the potential to improve telecom communications by orders of magnitude 100 to 1,000 times and is working to create the prospect for ultra broadband capacity combined with high quality.
He is a founding member of the International Scientific Committee of the International Conference of Plasma Spectroscopy (IPS), involved with professional societies such as the Deutsche Physikalische Gesellschaft (DPG) (German Physical Society), American Physical Society (APS), Optical Society of America (OSA), IEEE including LEOS, Communication Society and Microwave Society and the SPIE - International Society for Optical Engineers. His innovative research has resulted national funding and awards such as the Harvey N. Davis Distinguished Teaching Assistant Professor Award of exceptional teaching ability.
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Anonymous. (2009). All-optical amplitude modulation of a middle-infrared quantum cascade laser, Proceedings - TERA-MIR 2009, NATO advanced research workshop terahertz and mid infrared radiation: Basic research and practical applications, 15
P. Corrigan, E.A. Whittaker, E.A. Whittaker, C. Bethea. (2009). Quantum cascade lasers and the Kruse model in free space optical communication, Optics Express. (17), 4355-4359
M.K.K. Oo, Y. Han, R. Martini, S. Sukhishvili, H. Du. (2009). Forward-propagating surface-enhanced Raman scattering and intensity distribution in photonic crystal fiber with immobilized Ag nanoparticles, Optics Express. (34), 968-970
Anonymous. (2007). Semiconductor based optically controlled THz optics, Proceedings of SPIE - the international society for optical engineering
Anonymous. (2007). Summary of results on optimal camera placement for boundary monitoring, Proceedings of SPIE - the international society for optical engineering
Anonymous. (2007). A new optical flow estimation method in joint EO/IR video surveillance, Proceedings of SPIE - the international society for optical engineering
Anonymous. (2007). Investigation of near and mid infra-red (1.34,1.55 & 8.1µm) laser propagation through the new york city metro area, Proceedings of SPIE - the international society for optical engineering
Anonymous. (2007). Enhanced performance of low-power (<60mW) femtosecond free space optical communication system over conventional CW operation, Proceedings of SPIE - the international society for optical engineering
Anonymous. (2005). Highly efficient THz modulation using optically excited silicon, Proceedings of SPIE - the international society for optical engineering, 263
Anonymous. (2004). Stability of near- and mid-infrared free-space optical links under strong scattering environment, OSA trends in optics and photonics series, 1173
Anonymous. (2004). Optical free-space communications at middle infra-red wavelengths, Proceedings of SPIE - the international society for optical engineering, 196
Anonymous. (2003). Free-space mid-infrared optical links using quantum cascade lasers, Proceedings of SPIE - the international society for optical engineering, 20
Anonymous. (2003). Analog and digital high-speed modulation of quantum-cascade laser, Proceedings of SPIE - the international society for optical engineering, 169
Anonymous. (2002). Free-space mid-infrared link for transmission of multimedia data using quantum cascade lasers, Pacific rim conference on lasers and electro-optics, CLEO - technical digest, 498
Anonymous. (2001). Absence of relaxation oscillation in quantum cascade lasers verified by high-frequency modulation, Conference on lasers and electro-optics europe - technical digest, xxxiii
Anonymous. (1998). Dephasing of bloch oscillations due to carrier-carrier scattering: Coherent versus incoherent scatterers, Technical digest - european quantum electronics conference, 56
Chen G, Martini R, Park S-, Bethea CG, Chen I-A, Grant PD, Dudek R, Liu HC.. Optically induced fast wavelength modulation in a quantum cascade laser, Appl Phys Lett 2010, 97 (1)
Zeng D, Benilov A, Bunin B, Martini R.. Long-wavelength IR imaging system to scuba diver detection in three dimensions, IEEE Sensors Journal 2010, 10 (3), 760-764
Chen G, Park S-, Chen I-A, Bethea CG, Martini R.. Optical switching of a quantum cascade laser in continuous wave operation, Chinese Physics Letters 2010, 27 (1)
Chen G, Bethea CG, Martini R.. Quantum cascade laser gain enhancement by front facet illumination, Optics Express 2009, 17 (26), 24282-7
Chen G, Bethea CG, Martini R, Grant PD, Dudek R, Liu HC.. High-speed all-optical modulation of a standard quantum cascade laser by front facet illumination, Appl Phys Lett 2009, 95 (10)
Oo MKK, Han Y, Martini R, Sukhishvili S, Du H.. Forward-propagating surface-enhanced raman scattering and intensity distribution in photonic crystal fiber with immobilized ag nanoparticles, Opt Lett 2009, 34 (7), 968-70
Anonymous. Fast all optical modulation of quantum cascade laser, Asia optical fiber communication and optoelectronic exposition and conference, AOE 2008
Anonymous. Mid-infrared lasers and the kruse-mie theorem in fog for free-space optical communication applications, 2008 conference on quantum electronics and laser science conference on lasers and electro-optics, CLEO/QELS
Chen I-A, Park S-, Karaalioglu C, Martini R, Meshal A. High-efficiency silicon THz modulator using optically injected carriers, Journal of Nanoelectronics and Optoelectronics 2007, 2 (1), 96-100
Martini R, Whittaker EA. Quantum cascade laser-based free space optical communications, Journal of Optical and Fiber Communications Reports 2005, 2 (4), 279-92
Hadjiloucas S, Galvão RKH, Becerra VM, Bowen JW, Martini R, Brucherseifer M, Pellemans HPM, Bolívar PH, Kurz H, Chamberlain JM.. Comparison of subspace and ARX models of a waveguide's terahertz transient response after optimal wavelet filtering, IEEE Trans Microwave Theory Tech 2004, 52 (10), 2409-19
Hadjiloucas S, Galvão RKH, Bowen JW, Martini R, Brucherseifer M, Pellemans HPM, Bolívar PH, Kurz H, Digby J, Parkhurst GM, Chamberlain JM.. Measurement of propagation constant in waveguides with wideband coherent terahertz spectroscopy, J Opt Soc Am B 2003, 20 (2), 391-401
Capasso F, Paiella R, Martini R, Colombelli R, Gmachl C, Myers TL, Taubman MS, Williams RM, Bethea CG, Unterrainer K, Hwang HY, Sivco DL, Cho AY, Sergent AM, Liu HC, Whittaker EA. Quantum cascade lasers: Ultrahigh-speed operation, optical wireless communication, narrow linewidth, and far-infrared emission, IEEE J Quant Electron 2002, 38 (6), 511-32
Gmachl C, Ng HM, Paiella R, Martini R, Hwang HY, Sivco DL, Capasso F, Cho AY, Frolov SV, George Chu SN, Liu HC. Recent results in quantum cascade lasers and intersubband transitions in GaN/AlGaN multiple quantum wells, Physica E: Low-Dimensional Systems and Nanostructures 2002, 13 (2-4), 823-8
Martini R, Gmachi C, Tredicucci A, Capasso F, Hutchinson AL, Sivco DL, Cho AY, Whittaker EA. High duty cycle operation of quantum cascade lasers based on graded superlattice active regions, J Appl Phys 2001, 89 (12), 7735-8
Wolter F, Martini R, Tolk S, Haring Bolivar P, Kurz H, Hey R, Grahn HT. Influence of carrier-carrier scattering on intraband dephasing, Superlattices and Microstructures 1999, 26 (2), 93-102
Martini R, Hilbk-Kortenbruck F, Wolter F, Bolivar PH, Kurz H. Amplification of coherent THz radiation without inversion, IQEC, International Quantum Electronics Conference Proceedings 1999, 237-8
Wolter F, Bartels G, Martini R, Haring Bolivar P, Roskos HG, Hey R, Grahn HT, Kurz H. Intraband coherence after energy relaxation, Springer Series in Chemical Physics 1998, 63 263-5
Martini R, Klose G, Roskos HG, Kurz H, Grahn HT, Hey R, Ploog K.. Superradiant terahertz emission from bloch oscillations, Springer Series in Chemical Physics 1996, 62 64-5
Martini R, Klose G, Roskos HG, Kurz H, Grahn HT, Hey R. Superradiant emission from bloch oscillations in semiconductor superlattices, Physical Review B - Condensed Matter and Materials Physics 1996, 54 (20), R14325-8
Schaefer M, Martini R, Richter S, Petri M, Mürtz M, Urban W. Experiments on linewidth reduction by fast electrical feedback, Infrared Physics and Technology 1996, 37 (1), 123-8
Pfeifer T, Loffler T, Martini R, Roskos HG, Kurz H, Singer M, Biebl EM.. Spatial mapping of the near-field radiation pattern of a 7-GHz planar resonator, Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-LEOS 1996, 137-8
Capasso F, Paiella R, Martini R, Colombelli R, Gmachl C, Myers TL, Taubman MS, Williams RM, Bethea CG, Unterrainer K, Hwang HY, Sivco DL, Cho AY, Sergent AM, Liu HC, Whittaker EA. Quantum cascade lasers: Ultrahigh-Speed operation, optical wireless communication, narrow linewidth, and far-infrared emission, IEEE JOURNAL OF QUANTUM ELECTRONICS 38 (6): 511-532 JUN 2002
Martini R, Klose G, Roskos HG, Kurz H, Grahn HT, Hey R. Superradiant emission from Bloch oscillations in semiconductor superlattices, PHYSICAL REVIEW B 54 (20): 14325-14328 NOV 15 1996
Paiella R, Martini R, Capasso F, Gmachl C, Hwang HY, Sivco DL, Baillargeon JN, Cho AY, Whittaker EA, Liu HC. High-frequency modulation without the relaxation oscillation resonance in quantum cascade lasers, APPLIED PHYSICS LETTERS 79 (16): 2526-2528 OCT 15 2001
Martini R, Bethea C, Capasso F, Gmachl C, Paiella R, Whittaker EA, Hwang HY, Sivco DL, Baillargeon JN, Cho AY. Free-space optical transmission of multimedia satellite data streams using mid-infrared quantum cascade lasers, ELECTRONICS LETTERS 38 (4): 181-183 FEB 14 2002
Martini R, Paiella R, Gmachl C, Capasso F, Whittaker EA, Liu HC, Hwang HY, Sivco DL, Baillargeon JN, Cho AY. High-speed digital data transmission using mid-infrared quantum cascade lasers, ELECTRONICS LETTERS 37 (21): 1290-1292 OCT 11 2001
Martini R, Gmachl C, Falciglia J, Curti FG, Bethea CG, Capasso F, Whittaker EA, Paiella R, Tredicucci A, Hutchinson AL, Sivco DL, Cho AY. High-speed modulation and free-space optical audio/video transmission using quantum cascade lasers, ELECTRONICS LETTERS 37 (3): 191-193 FEB 1 2001
R. Martini, E.A. Whittaker. (Sep 2006). Longer-Wavelength free-space laser communications, Free-Space Laser Communications: Principles and Advances, Arun K. Majumadar and Jennifer C. Ricklin, Springer Publishing. ISBN: 0387286527
Rainer Martini. (Mar 2005). Free Space Optical Communications, Encyclopedia of Modern Optics, invited chapter, Elsevier Science. ISBN-10: 0-12-227600-0.. p. 402-409
R. Paiella, R. Martini, A. Soibel, H.C. Liu, and F. Capasso. (Dec 2005). • High-Speed Operation and Ultrafast Pulse Generation with Quantum Cascade Lasers, Intersubband Transitions, R. Paiella, McGraw-Hill. ISBN: 0071457925
Rainer Martini. (May 25, 1999). • Verstärkung kohärenter THz-Emission aus impulsiv angeregten Halbleitern und Halbleiterheterostrukturen, Shaker Publishing. ISBN 3826560655
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