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We show how tailored few-cycle lightwaves with near relativistic intensity (∼1018W/cm2) can be used to control the attosecond electron dynamics of plasma mirrors and to produce beam manifolds of fully synchronized attosecond EUV light pulses.
Holmium-doped ZBLAN fiber has proven to be an efficient high gain material in the 1.2 µm region. In this paper, single-mode fiber lasers and amplifiers at 1178 nm, 1190 nm, and 1200 nm are reported. Over 2 watts of continuous wave output power was achieved with a 10-cm long gain fiber.
This is the first time that significant Stokes output power of 0.88 W at 990 nm has been achieved using a three-level fundamental transition (quasi-cw Nd:YLF laser) with stimulated Raman scattering in a KGW crystal.
We present simple and efficient laser schemes based on newly developed Er-doped fibers cladding pumped at 976 nm. 103 W CW-power amplifier with 37 % conversion efficiency and 1.5 mJ-pulse energy nanosecond laser were demonstrated.
We report a high power monolithic nanosecond pulsed fiber laser at 1064nm in MOPA configuration. More than 300W average power was achieved for 475 ns pulses at repetition rate of 100 kHz.
We report a high peak power monolithic nanosecond pulsed fiber laser in MOPA configuration. The system can produce ∼ 709 kW peak power for 3.3 ns fiber laser pulses at 10 kHz repetition rate.
A novel high pulse-energy Yb-doped all-fiber dual-cavity laser with large core-diameter fiber-based passive Q-switcher is reported. The monolithic fiber oscillator generates pulses with peak power of 3.4 kW and single pulse energy of 484 µJ.
A diode-pumped Yb:CLNGG laser is mode-locked with a single-walled carbon nanotube saturable absorber achieving pulse durations as short as 90 fs at ∼1049 nm and maximum average output power of 90 mW at 83 MHz.
We report efficient and robust Kerr-lens mode-locking of single-mode and tapered diode-pumped Cr:LiSAF lasers by using gain-matched output couplers. Sub-15-fs pulses were generated with peak powers above 60-kW and optical-to-optical conversion efficiencies up to 21%.
We report an efficient, high-energy, diode-pumped Yb:CaF2 regenerative amplifier. Energies up to 1.02 mJ at 1045-nm and 5 kHz-repetition rate in 324 fs-long pulses have been obtained with a beam quality factor of M2 =1.1.
We present a chalcogenide microwire device that acts as a compact (∼11 cm length, ∼1 µm diameter) and power efficient (sub-Watt threshold peak power, >2% slope efficiency) Raman-parametric laser, wavelength converter and ultra-broadband supercontinuum generator/amplifier.
We experimentally study the relative intensity noise of Raman solitons and find that earlier ejected Raman soliton exhibits lower noise. We also observe the bound soliton pair existing in a large range of excitation power.
Opto-mechanically controlled liquid crystalline elastomer (LCE) integrated tunable polymeric microgoblet lasers are fabricated on a silicon chip. Symmetrical deformation of uniaxially aligned LCE microcylinders enables expansion of the microgoblet resonators for tuning the lasing modes.
A simple technique for directly generating a radially-polarized output beam from an ytterbium-doped fiber laser using an intracavity S-waveplate is reported. The laser yielded 7W of output with a corresponding slope efficiency of 67%.
A monolayer of MGITC molecules in a gold nanosphere-plane junction is excited by focusing a radially polarized laser beam. A record electromagnetic enhancement factor of 1010 for deterministic SERS experiments has been obtained.
We report a diode-pumped Yb:LYSO laser with a SESAM for mode-locking. Pulse with duration as short as 61 fs was obtained at repetition rate of 113 MHz. The average output power was 40 mW.
We demonstrate a mode-locked Nd3+,Y3+:SrF2 laser for the first time. Pumped with 1.5W continuous Ti:sapphire laser, average output power of 280mW was obtained with pulse duration of 181fs at central wavelength of 1057 nm.
Generation of sub 100 fs pulse has been obtained in an Yb:CALGO regenerative amplifier using nonlinear effects. It exhibits 97fs pulses at 1047nm with up to 24µJ energy with a spectral bandwidth of 19nm.
We present a SESAM modelocked diode-pumped Yb:CaGdAlO4 laser with a 1.8-GHz repetition-rate, a 3.5-W average output power and a 60-fs pulse duration, which results in a record high peak power of 28.9 kW.
We demonstrate robust continuous-wave lasing in a planar index-antiguided waveguide with a 220-µm Nd:YAG active layer. A pump-limited output of 1.5 W with a slope efficiency of 30% with respect to absorbed pump power is achieved.
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