Search Results - "MIKHELASHVILI, V"
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Static and dynamic characteristics of an InAs/InP quantum-dot optical amplifier operating at high temperatures
Published in Optics express (30-10-2017)“…We report on high quality InAs/InP quantum dot optical amplifiers for the 1550 nm wavelength range operating over a wide temperature range of 25 to 100 °C. A…”
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Journal Article -
2
Negative differential resistance in three terminal photodetectors
Published in Applied physics letters (20-06-2016)“…A three terminal (transistor-like) photodetector fabricated on a silicon-on-insulator substrate with a high responsivity over a wide spectral range from…”
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3
Comparison of dynamic properties of ground- and excited-state emission in p-doped InAs/GaAs quantum-dot lasers
Published in Applied physics letters (05-05-2014)“…The dynamic properties of ground- and excited-state emission in InAs/GaAs quantum-dot lasers operating close to 1.31 μm are studied systematically. Under low…”
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Journal Article -
4
Carrier dynamics in inhomogeneously broadened InAs/AlGaInAs/InP quantum-dot semiconductor optical amplifiers
Published in Applied physics letters (24-03-2014)“…We report on a characterization of fundamental gain dynamics in recently developed InAs/InP quantum-dot semiconductor optical amplifiers. Multi-wavelength…”
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5
Direct correlation between a highly damped modulation response and ultra low relative intensity noise in an InAs/GaAs quantum dot laser
Published in Optics express (30-04-2007)“…We describe modulation responses and relative intensity noise (RIN) spectra of an InAs/GaAs quantum dot laser operating near 1300 nm. A very large nonlinear…”
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6
Stability of quantum-dot excited-state laser emission under simultaneous ground-state perturbation
Published in Applied physics letters (10-11-2014)“…The impact of ground state amplification on the laser emission of In(Ga)As quantum dot excited state lasers is studied in time-resolved experiments. We find…”
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7
Composition, surface morphology and electrical characteristics of Al2O3-TiO2 nanolaminates and AlTiO films on silicon
Published in Thin solid films (25-09-2006)“…We propose and demonstrate Metal-Oxide-Semiconductor structures comprising Al2O3-TiO2 nanolaminate and AlTiO films. Composition, structural and electrical…”
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Conference Proceeding Journal Article -
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Gain dynamics of quantum dot devices for dual-state operation
Published in Applied physics letters (30-06-2014)“…Ground state gain dynamics of In(Ga)As-quantum dot excited state lasers are investigated via single-color ultrafast pump-probe spectroscopy below and above…”
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Journal Article -
9
Ultra-fast charge carrier dynamics across the spectrum of an optical gain media based on InAs/AlGaInAs/InP quantum dots
Published in AIP advances (01-03-2017)“…The charge carrier dynamics of improved InP-based InAs/AlGaInAs quantum dot (QD) semiconductor optical amplifiers are examined employing the multi-wavelength…”
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10
The influence of electron-beam irradiation on electrical characteristics of metal–insulator–semiconductor capacitors based on a high- k dielectric stack of HfTiSiO(N) and HfTiO(N) layers
Published in Microelectronics and reliability (01-07-2009)“…We describe the influence of electron irradiation (at 30 kV with a dose of up to 100 μC/cm 2) on the electrical characteristics of…”
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11
Electrical properties of Al2O3-HfTiO laminate gate dielectric stacks with an equivalent oxide thickness below 0.8 nm
Published in Thin solid films (26-02-2007)Get full text
Journal Article -
12
The correlation of the electrical properties with electron irradiation and constant voltage stress for MIS devices based on high- k double layer (HfTiSiO:N and HfTiO:N) dielectrics
Published in Microelectronic engineering (01-11-2010)“…This paper describes the influence of e-beam irradiation and constant voltage stress on the electrical characteristics of metal–insulator–semiconductor…”
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Journal Article -
13
Structural properties and electrical characteristics of electron-beam gun evaporated erbium oxide films
Published in Applied physics letters (25-03-2002)“…We report properties of Er2O3 films deposited on silicon using electron-beam gun evaporation. We describe the evolution with thickness and annealing…”
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14
High-κ Al2O3-HfTiO nanolaminates with less than 0.8-nm equivalent oxide thickness
Published in IEEE electron device letters (2007)Get full text
Journal Article -
15
Microstructure and chemical analysis of Hf-based high-k dielectric layers in metal–insulator–metal capacitors
Published in Thin solid films (31-05-2010)“…The microstructure and chemistry of the high-k gate dielectric significantly influences the performance of metal–insulator–metal (MIM) and…”
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Journal Article -
16
Cross talk free multi channel processing of 10 Gbit/s data via four wave mixing in a 1550 nm InAs/InP quantum dash amplifier
Published in Optics express (10-11-2008)“…We demonstrate multi wavelength processing in a broad band 1550 nm quantum dash optical amplifier. Two 10 Gbit/s signals, spectrally separated by 30 nm are…”
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Journal Article -
17
Characteristics of Al2O3/TiO2 nanolaminates and AlTiO thin films on Si
Published in IEEE electron device letters (01-05-2006)Get full text
Journal Article -
18
Characteristics of metal-insulator-semiconductor capacitors based on high-k HfAlO dielectric films obtained by low-temperature electron-beam gun evaporation
Published in Applied physics letters (13-12-2004)“…We describe the characteristics of thin HfAlO films deposited at low temperature by electron beam gun evaporation. As-deposited films thinner than 6 nm exhibit…”
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19
Composition and electrical characteristics of Al2O3-HfO2-HfTiO nanolaminates on Si
Published in Microelectronic engineering (01-07-2008)“…A dielectric constant of 27 was demonstrated in the as deposited state of a 5 nm thick, seven layer nanolaminate stack comprising Al2O3, HfO2 and HfTiO. It…”
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Journal Article -
20
The effect of light irradiation on electrons and holes trapping in nonvolotile memory capacitors employing sub 10 nm SiO2―HfO2 stacks and Au nanocrystals
Published in Microelectronic engineering (01-06-2011)“…We demonstrate the possibility to control charge trapping in the memory stacks comprised of metal nanocrystals (NCs) sandwiched between SiO2 and high-k…”
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