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Showing 1 to 12 of 317 entries
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Remote two-color optical-to-optical synchronization between two passively mode-locked lasers.

Optics letters

Li H, Chen LJ, Cheng HP, May JE, Smith S, Muehlig K, Uttamadoss A, Frisch JC, Fry AR, Kärtner FX, Bucksbaum PH.
PMID: 26466262
Opt Lett. 2014 Sep 15;39(18):5325-8. doi: 10.1364/OL.39.005325.

Using balanced detection in both the radio frequency (RF) and the optical domain, we remotely synchronize the repetition rate of a Ti:sapphire oscillator to an Er-doped fiber oscillator through a 360 m length-stabilized dispersion compensated fiber link. The drift...

Laser-Induced Linear-Field Particle Acceleration in Free Space.

Scientific reports

Wong LJ, Hong KH, Carbajo S, Fallahi A, Piot P, Soljačić M, Joannopoulos JD, Kärtner FX, Kaminer I.
PMID: 28894271
Sci Rep. 2017 Sep 11;7(1):11159. doi: 10.1038/s41598-017-11547-9.

Linear-field particle acceleration in free space (which is distinct from geometries like the linac that requires components in the vicinity of the particle) has been studied for over 20 years, and its ability to eventually produce high-quality, high energy...

Femtosecond 8.5  μm source based on intrapulse difference-frequency generation of 2.1  μm pulses.

Optics letters

Novák O, Krogen PR, Kroh T, Mocek T, Kärtner FX, Hong KH.
PMID: 29543285
Opt Lett. 2018 Mar 15;43(6):1335-1338. doi: 10.1364/OL.43.001335.

We report on a femtosecond ∼8.5  μm, ∼2  μJ source based on the intrapulse difference-frequency generation (DFG) of 2.1 μm pulses in an AgGaSe

High-dynamic-range arrival time control for flexible, accurate and precise parametric sub-cycle waveform synthesis.

Optics express

Mainz RE, Rossi GM, Cirmi G, Yang Y, Mücke OD, Kärtner FX.
PMID: 28241522
Opt Express. 2017 Feb 20;25(4):3052-3068. doi: 10.1364/OE.25.003052.

We introduce a simple all-inline variation of a balanced optical cross-correlator (BOC) that allows to measure the arrival time difference (ATD), over the full Nyquist bandwidth, with increased common-mode rejection and long-term stability. An FPGA-based signal processing unit allows...

Role of the carrier-envelope offset phase of few-cycle pulses in nonperturbative resonant nonlinear optics.

Physical review letters

Mücke OD, Tritschler T, Wegener M, Morgner U, Kärtner FX.
PMID: 12225122
Phys Rev Lett. 2002 Sep 16;89(12):127401. doi: 10.1103/PhysRevLett.89.127401. Epub 2002 Aug 28.

We study the influence of the carrier-envelope offset phase of few-cycle pulses on nonperturbative resonant extreme nonlinear optics in a semiconductor. If the Rabi frequency becomes comparable to the light frequency, the different Rabi sidebands interfere around twice the...

Scaling of passively mode-locked soliton erbium waveguide lasers based on slow saturable absorbers.

Optics express

Pudo D, Byun H, Chen J, Sickler J, Kärtner FX, Ippen EP.
PMID: 19582014
Opt Express. 2008 Nov 10;16(23):19221-31. doi: 10.1364/oe.16.019221.

We assess the scaling potential of high repetition rate, passively mode-locked erbium-doped soliton lasers. Our analysis focuses on three recently demonstrated lasers using saturable Bragg reflectors (SBR) as the mode-locking element. We use the soliton Area theorem to establish...

Universally balanced photonic interferometers.

Optics letters

Popović MA, Ippen EP, Kärtner FX.
PMID: 16936867
Opt Lett. 2006 Sep 15;31(18):2713-5. doi: 10.1364/ol.31.002713.

A new general class of optical interferometers is proposed, and the physical principle of their operation is explained. They split the spectrum entering one input port among the interferometer arms in an arbitrarily chosen wavelength- and/or time-dependent manner but...

Spectral phase control and temporal superresolution toward the single-cycle pulse.

Optics letters

Binhammer T, Rittweger E, Morgner U, Ell R, Kärtner FX.
PMID: 16642169
Opt Lett. 2006 May 15;31(10):1552-4. doi: 10.1364/ol.31.001552.

The concept of temporal superresolution is applied to optical few-cycle laser pulses for the first time to our knowledge. Pulse durations of as little as to 3.7 fs, well below the Fourier limit, are achieved by pulse shaping of...

Ultrabroadband beam splitter with matched group-delay dispersion.

Optics letters

Kim J, Birge JR, Sharma V, Fujimoto JG, Kärtner EX, Scheuer V, Angelow G.
PMID: 16007810
Opt Lett. 2005 Jun 15;30(12):1569-71. doi: 10.1364/ol.30.001569.

We present a general design strategy for a broadband thin-film beam splitter with matched group-delay dispersion. By taking the substrate dispersion into account in the coating design, any combination of input and output can show the same dispersion for...

Laser cooling of trapped ytterbium ions with an ultraviolet diode laser.

Optics letters

Kielpinski D, Cetina M, Cox JA, Kärtner FX.
PMID: 16544614
Opt Lett. 2006 Mar 15;31(6):757-9. doi: 10.1364/ol.31.000757.

We demonstrate an ultraviolet diode laser system for cooling of trapped ytterbium ions. The laser power and linewidth are comparable to those of previous systems based on resonant frequency doubling, but the system is simpler, more robust, and less...

Generation of sub-10-fs pulses from a Kerr-lens mode-locked Cr(3+):LiCAF laser oscillator by use of third-order dispersion-compensating double-chirped mirrors.

Optics letters

Wagenblast PC, Morgner U, Grawert F, Schibli TR, Kãârtner FX, Scheuer V, Angelow G, Lederer MJ.
PMID: 18033349
Opt Lett. 2002 Oct 01;27(19):1726-8. doi: 10.1364/ol.27.001726.

Pulses as short as 9 fs at 220-mW average power and a 97-MHz repetition rate are generated from a cw Ti:sapphire-pumped Kerr-lens mode-locked Cr(3+)LiCAF laser oscillator employing broadband double-chirped mirrors for second- and third-order dispersion compensation. Fine adjustment of...

Determining the carrier-envelope offset frequency of 5-fs pulses with extreme nonlinear optics in ZnO.

Optics letters

Mücke OD, Tritschler T, Wegener M, Morgner U, Kärtner FX.
PMID: 18033463
Opt Lett. 2002 Dec 02;27(23):2127-9. doi: 10.1364/ol.27.002127.

We excite ZnO samples with two-cycle optical pulses directly from a mode-locked oscillator with average powers of several tens of milliwatts. The emitted light reveals peaks at the carrier-envelope offset frequency f(ø) and at 2f(ø) in the radio-frequency spectra....

Showing 1 to 12 of 317 entries