Acta Physica Polonica A
Vol. 107No 1January 2005
Proceedings of the 12th International Symposium on Ultrafast Phenomena in Semiconductors (12-UFPS), Vilnius, Lithuania, August 22-25, 2004

Parametric Generation of Middle and Far Infrared Radiation in GaAs-Based Semiconductor Lasers and Waveguides
V.Ya. Aleshkin, A.A. Afonenko, A. Biryukov, V.I. Gavrilenko, A.A. Dubinov, Vl.V. Kocharovsky, S.V. Morozov, K.V. Maremynin, S.M. Nekorkin, B.N. Zvonkov, N.B. Zvonkov,  page 7, abstract  Full Text PDF

High Speed Heterostructure Metal-Semiconductor-Metal Photodetectors
A. Cola, B. Nabet, X. Chen and F. Quaranta,  page 14, abstract  Full Text PDF

Grating Diffraction Effects in the THz Domain
J.-L. Coutaz, F. Garet, E. Bonnet, A.V. Tishchenko, O. Parriaux and M. Nazarov,  page 26, abstract  Full Text PDF

Acoustic Transport of Electrons in Parallel Quantum Wires
J. Cunningham, M. Pepper, V.I. Talyanskii and D.A. Ritchie,  page 38, abstract  Full Text PDF

Semiconductor Spintronics: Role of the Valence-Band Holes
A. Dargys,  page 46, abstract  Full Text PDF

The Interplay of Intraband and Interband Polarization in the Ultrafast Response of Biased Semiconductor Superlattices
M.M. Dignam, M. Hawton, L. Yang and B. Rosam,  page 56, abstract  Full Text PDF

Origin of Ultrafast Component of Photoluminescence Decay in Nanostructures Doped with Transition Metal or Rare-Earth Ions
M. Godlewski, S. Yatsunenko, V.Yu. Ivanov, A. Khachapuridze, K. Świątek, E.M. Goldys, M.R. Phillips, P.J. Klar and W. Heimbrodt,  page 65, abstract  Full Text PDF

Carrier Dynamics in Quantum Cascade Lasers
P. Harrison, D. Indjin, V.D. Jovanović, A. Mirčetić, Z. Ikonić, R.W. Kelsall, J. McTavish, I. Savić, N. Vukmirović and V. Milanović,  page 75, abstract  Full Text PDF

Terahertz Generation and Detection by Plasma Waves in Nanometer Gate High Electron Mobility Transistors
W. Knap, J. Łusakowski, F. Teppe, N. Dyakonova and Y. Meziani,  page 82, abstract  Full Text PDF

Time and Frequency Resolved THz Spectroscopy of Micro- and Nano-Systems
J. Kröll, J. Darmo and K. Unterrainer,  page 92, abstract  Full Text PDF

Efficient Terahertz Pulse Generation in Laser-Induced Gas Plasmas
T. Löffler, M. Kress, M. Thomson and H.G. Roskos,  page 99, abstract  Full Text PDF

Ultrafast Phenomena in Freestanding LT-GaAs Devices
M. Marso, M. Mikulics, R. Adam, S. Wu, X. Zheng I. Camara, F. Siebe, A. Förster R. Güsten, P. Kordoš and R. Sobolewski,  page 109, abstract  Full Text PDF

Transport Phenomena in Two-Dimensional Structures with Quantum Dots
J. Požela,  page 118, abstract  Full Text PDF

Low-Temperature MBE Grown GaAs for Pulsed THz Radiation Applications
R. Adomavičius, S. Balakauskas, K. Bertulis, A. Geižutis, G. Molis and A. Krotkus,  page 128, abstract  Full Text PDF

Terahertz Emission from Narrow Gap Semiconductors Photoexcited by Femtosecond Laser Pulses
R. Adomavicius, A. Urbanowicz, G. Molis and A. Krotkus,  page 132, abstract  Full Text PDF

THz Spectroscopy of Extremely Shallow Acceptors States in Ge/GeSi Multiple-Quantum-Well Heterostructures
V.Ya. Aleshkin, Y.V. Erofeeva, V.I. Gavrilenko, A.V. Ikonnikov, D.V. Kozlov O.A. Kuznetsov and D.B. Veksler,  page 137, abstract  Full Text PDF

Spontaneous Terahertz Emission under Electrical Breakdown of a Shallow Acceptor in Ge
A.V. Andrianov, A.O. Zaharin, I.N. Yassievich and N.N. Zinovev,  page 142, abstract  Full Text PDF

Submicrometric Heavily Doped n-GaAs Structures for Microwave Detection
S. Ašmontas, J. Gradauskas, A. Kozič, H. Shtrikmann and A. Sužiedėlis,  page 147, abstract  Full Text PDF

Far-Infrared Few-Cycle-Pulse Generation in Quantum-Well Heterostructures under Femtosecond Laser Pumping
A.A. Belyanin, V.V. Kocharovsky, Vl.V. Kocharovsky, D.S. Pestov and M.O. Scully,  page 151, abstract  Full Text PDF

Light Absorption and Photoluminescence in Quantum Dots and Artificial Molecules
D.A. Firsov, L.E. Vorobjev, V.Yu. Panevin, N.K. Fedosov, V.A. Shalygin J.B. Samsonenko A.A. Tonkikh G.E. Cirlin A. Andreev, N.V. Kryzhanovskaya, I.S. Tarasov N.A. Pikhtin, V.M. Ustinov, S. Hanna, A. Seilmeier, F.H. Julien, , N.D. Zakharov and P. Werner,  page 158, abstract  Full Text PDF

Small and Large Signal Analysis of Terahertz Generation from InN n+nn+ Structures with Free-Carrier Grating
V. Gružinskis, P. Shiktorov and E. Starikov,  page 163, abstract  Full Text PDF

Monte Carlo Simulation of Dember Effect in n-InAs under Subpicosecond Laser Pulse Excitation
V.L. Malevich,  page 169, abstract  Full Text PDF

Normal Incidence Mid-Infrared Photocurrent in AlGaN/GaN Quantum Well Infrared Photodetectors
B. Sherliker, M.P. Halsall, P. Harrison, V.D. Jovanović, D. Indjin, Z. Ikonić P.J. Parbrook, M.A. Whitehead, T. Wang, P.D. Buckle, J. Phillips and D. Carder,  page 174, abstract  Full Text PDF

Finite-Difference Time-Domain Simulation of Mid- and Far-Infrared Quantum Cascade Lasers
V. Tamošiūnas, Ž. Kancleris, M. Dagys, R. Simniškis, M. Tamošsiūnienė G. Valušis, G. Strasser and K. Unterrainer,  page 179, abstract  Full Text PDF

Broad Band THz Sensing by 2DEG Bow-Tie-Type Diodes
G. Valušis, D. Seliuta, V. Tamošiūnas, E. Širmulis, S. Balakauskas, J. Gradauskas, A. Sužiedėlis, S. Ašmontas, T. Anbinderis, A. Narkūnas, I. Papsujeva, A. Lisauskas, H.G. Roskos and K. Köhler,  page 184, abstract  Full Text PDF

Classical Nature of Quantum Dots in a Magnetic Field
E. Anisimovas, A. Matulis and F.M. Peeters,  page 188, abstract  Full Text PDF

Frequency Dependence of Electrical Response of Polycrystalline LCMO Thin Films
S. Ašmontas, F. Anisimovas, S. Balevičius, P. Cimmperman, J. Gradauskas, A. Lučun, V. Stankevič, A. Sužiedėlis B. Vengalis and N. Žurauskienė,  page 193, abstract  Full Text PDF

Hot Electron Effect in Degenerate Semiconductor Tunnel Junction
S. Ašmontas, J. Gradauskas, V. Petkun, D. Seliuta, A. Sužiedėlis and A. Urbelis,  page 198, abstract  Full Text PDF

Magneto- and Electroresistance of Ultrathin Anisotropically Strained La-Sr-MnO Films
S. Balevičius, V. Stankevič, N. Žurauskienė, Č. Šimkevičius, J. Paršeliūnas P. Cimmperman, , A. Abrutis and V. Plaušinaitienė,  page 203, abstract  Full Text PDF

High Pulsed Magnetic Field Sensor Based on La-Ca-Mn-O Thin Polycrystalline Films
S. Balevičius, N. Žurauskienė, V. Stankevič, S. Keršulis, J. Novickij, L.L. Altgilbers and F. Clarke,  page 207, abstract  Full Text PDF

Ultrafast Optical and Magneto-Optical Dynamics {in Colossal-Magnetoresistance Manganites}
V. Dorosinets, P. Richter, G. Jakob and H.G. Roskos,  page 211, abstract  Full Text PDF

Photoluminescence and Photoconductivity Dynamics in Semi-Insulating Epitaxial GaN Layers
E. Gaubas, S. Juršėnas, K. Kazlauskas, S. Miasojedovas, J. Vaitkus and A. Žukauskas,  page 215, abstract  Full Text PDF