Search Results - "Okhotnikov, Oleg G"

Multifunctional Free-Standing Single-Walled Carbon Nanotube Films by Nasibulin, Albert G, Kaskela, Antti, Mustonen, Kimmo, Anisimov, Anton S, Ruiz, Virginia, Kivistö, Samuli, Rackauskas, Simas, Timmermans, Marina Y, Pudas, Marko, Aitchison, Brad, Kauppinen, Marko, Brown, David P, Okhotnikov, Oleg G, Kauppinen, Esko I

“…We report a simple and rapid method to prepare multifunctional free-standing single-walled carbon nanotube (SWCNT) films with variable thicknesses ranging from…”
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Carbon nanotube films for ultrafast broadband technology by Kivistö, Samuli, Hakulinen, Tommi, Kaskela, Antti, Aitchison, Brad, Brown, David P, Nasibulin, Albert G, Kauppinen, Esko I, Härkönen, Antti, Okhotnikov, Oleg G

“…Mode-locked sub-picosecond operation of Yb-, Er- and Tm:Hodoped fiber lasers operating at 1.05 microm, 1.56 microm and 1.99 microm, respectively, is…”
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Femtosecond soliton mode-locked laser based on ytterbium-doped photonic bandgap fiber by Isomäki, A, Okhotnikov, Oleg G

“…We demonstrate a solid-core ytterbium-doped photonic bandgap fiber laser passively mode-locked with a semiconductor saturable absorber. Gain and anomalous…”
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3 W of 650 nm red emission by frequency doubling of wafer-fused semiconductor disk laser by Rantamäki, Antti, Sirbu, Alexei, Mereuta, Alexandru, Kapon, Eli, Okhotnikov, Oleg G

“…3 W at genuine red wavelength of 650 nm has been achieved from a semiconductor disk laser by frequency doubling. An InP based active medium was fused with a…”
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Tailoring the Diameter of Single-Walled Carbon Nanotubes for Optical Applications by Tian, Ying, Timmermans, Marina Y., Kivistö, Samuli, Nasibulin, Albert G., Zhu, Zhen, Jiang, Hua, Okhotnikov, Oleg G., Kauppinen, Esko I.

“…Single-walled carbon nanotubes （SWCNTs） with specific diameters are required for various applications particularly in electronics and photonics, since the…”
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1 W at 785 nm from a frequency-doubled wafer-fused semiconductor disk laser by Rantamäki, Antti, Rautiainen, Jussi, Lyytikäinen, Jari, Sirbu, Alexei, Mereuta, Alexandru, Kapon, Eli, Okhotnikov, Oleg G

“…We demonstrate an optically pumped semiconductor disk laser operating at 1580 nm with 4.6 W of output power, which represents the highest output power reported…”
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Pulse dynamics of a passively mode-locked Bi-doped fiber laser by Kivistö, Samuli, Puustinen, Janne, Guina, Mircea, Herda, Robert, Marcinkevicius, Saulius, Dianov, Evgueny M, Okhotnikov, Oleg G

“…The pulse evolution in Bi-doped soliton fiber laser with slow and fast saturable absorber has been studied both experimentally and numerically. Semiconductor…”
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Nonlinear Response of Saturable Absorber Mirrors for Different Operation Regimes by Hakulinen, T., Herda, R., Okhotnikov, O.G.

“…In this study, we show how the nonlinear response of a saturable absorber depends on the parameters of the optical pump pulses. The result suggests that it…”
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1700 nm dispersion managed mode-locked bismuth fiber laser by Noronen, Teppo, Firstov, Sergei, Dianov, Evgeny, Okhotnikov, Oleg G.

“…We demonstrate the first 1.7 μm bismuth-doped fiber laser generating ultrashort pulses via passive mode-locking. Pulse operation has been achieved for both…”
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Mode evolution in long tapered fibers with high tapering ratio by Kerttula, Juho, Filippov, Valery, Ustimchik, Vasily, Chamorovskiy, Yuri, Okhotnikov, Oleg G

“…We have experimentally studied fundamental mode propagation in few meters long, adiabatically tapered step-index fibers with high numerical aperture, core…”
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Highly efficient 750 W tapered double-clad ytterbium fiber laser by Filippov, Valery, Kerttula, Juho, Chamorovskii, Yuri, Golant, Konstantin, Okhotnikov, Oleg G

“…The results of theoretical and experimental studies of active tapered double-clad fibers, intending the optimization of its imperative parameters--tapering…”
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Actively Q-switched 1.6-mJ tapered double-clad ytterbium-doped fiber laser by Kerttula, Juho, Filippov, Valery, Chamorovskii, Yuri, Golant, Konstantin, Okhotnikov, Oleg G

“…We have demonstrated an actively Q-switched tapered double-clad fiber laser capable of single-shot generation of 1.6-mJ, 64-ns pulses. The active medium based…”
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Role of cavity dispersion on soliton grouping in a fiber lasers by Gumenyuk, Regina, Korobko, Dmitry A, Zolotovsky, Igor O, Okhotnikov, Oleg G

“…The effect of cavity dispersion on the dynamics of bound soliton states in a fiber laser has been studied both experimentally and numerically. The mode-locking…”
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Semiconductor disk lasers for the generation of visible and ultraviolet radiation by Calvez, S., Hastie, J.E., Guina, M., Okhotnikov, O.G., Dawson, M.D.

“…Recent developments in semiconductor disk lasers (SDLs) generating visible or ultraviolet light are reviewed. After an introduction on potential applications,…”
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750 nm 1.5 W frequency-doubled semiconductor disk laser with a 44 nm tuning range by Saarinen, Esa J, Lyytikäinen, Jari, Ranta, Sanna, Rantamäki, Antti, Sirbu, Alexei, Iakovlev, Vladimir, Kapon, Eli, Okhotnikov, Oleg G

“…We demonstrate 1.5 W of output power at the wavelength of 750 nm by intracavity frequency doubling a wafer-fused semiconductor disk laser diode-pumped at…”
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Energy transition characterization of 1.18 and 1.3   μ m bands of bismuth fiber by spectroscopy of the transient oscillations by Gumenyuk, Regina, Golant, Konstantin, Okhotnikov, Oleg G.

“…The experimental evidence of laser transition type in bismuth-doped silica fibers operating at different spectral bands is presented. Spectrally resolved…”
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Impact of Gain Medium Dispersion on Stability of Soliton Bound States in Fiber Laser by Gumenyuk, R., Okhotnikov, O. G.

“…Effect of the gain medium dispersion on stability of soliton groups in fiber laser has been studied. An attractive force produced by bi-temporal saturable…”
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Passively Q-switched Tm3+, Ho3+-doped silica fiber laser using a highly nonlinear saturable absorber and dynamic gain pulse compression by Kivistö, Samuli, Koskinen, Riku, Paajaste, Jonna, Jackson, Stuart D, Guina, Mircea, Okhotnikov, Oleg G

“…We demonstrate a compact core-pumped 2 microm Tm(3+), Ho(3+)- doped all-fiber laser passively Q-switched with an antimony-based saturable absorber. The 20 ns…”
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High performance wafer-fused semiconductor disk lasers emitting in the 1300 nm waveband by Sirbu, Alexei, Rantamäki, Antti, Saarinen, Esa J, Iakovlev, Vladimir, Mereuta, Alexandru, Lyytikäinen, Jari, Caliman, Andrei, Volet, Nicolas, Okhotnikov, Oleg G, Kapon, Eli

“…We report for the first time on the performance of 1300 nm waveband semiconductor disc lasers (SDLs) with wafer fused gain mirrors that implement intracavity…”
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Vector Soliton Bunching in Thulium-Holmium Fiber Laser Mode-Locked With PbS Quantum-Dot-Doped Glass Absorber by Gumenyuk, R., Gaponenko, M. S., Yumashev, K. V., Onushchenko, A. A., Okhotnikov, O. G.

“…Saturable absorber based on PbS quantum-dot-doped glasses exhibiting bi-temporal recovery dynamics provides effective means for control of vector soliton…”
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