Coherent pulse synthesis: towards sub-cycle optical waveforms

Manzoni, Cristian; Mücke, Oliver D.; Cirmi, Giovanni; Fang, Shaobo; Moses, Jeffrey; Huang, Shu‐Wei; Hong, Kyung-Han; Cerullo, Giulio; Kärtner, Franz X.

doi:10.1002/lpor.201400181

Cited by 204 publications

(131 citation statements)

References 231 publications

(354 reference statements)

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“…To date, subcycle pulses have been generated in the visible, near-infrared, terahertz, x-ray ranges [19][20][21][22][23] and recently in mid-infrared [24]. Half-cycle pulses have been experimentally obtained from laser-driven plasma in a solid target [25] and from a double foil target irradiated with intense few-cycle laser pulses [26].…”

Section: Introductionmentioning

confidence: 99%

All-optical control of unipolar pulse generation in a resonant medium with nonlinear field coupling

et al. 2017

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We study optical response of a resonant medium possessing nonlinear coupling to external field driven by a few-cycle pump pulse sequence. We demonstrate the possibility to directly produce unipolar half-cycle pulses from the medium possessing an arbitrary nonlinearity, by choosing the proper pulse-to-pulse distance of the pump pulses in the sequence. We examine the various ways of the shaping of the medium response using different geometrical configurations of nonlinear oscillators and different wavefront shapes for the excitation pulse sequence. Our approach defines a general framework to produce unipolar pulses of controllable form.

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Section: Introductionmentioning

confidence: 99%

All-optical control of unipolar pulse generation in a resonant medium with nonlinear field coupling

et al. 2017

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“…[1][2][3] Many of these applications require or benefit from full stabilization of the frequency comb. The optical frequencies of the comb teeth can be written as nn = f0 + nfr, where the mode number n is a large integer.…”

Section: Introductionmentioning

confidence: 99%

Fully stabilized mid-infrared frequency comb for high-precision molecular spectroscopy

Vainio

Karhu

2017

Opt. Express

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Abstract:A fully stabilized mid-infrared optical frequency comb spanning from 2.9 to 3.4 µm is described. The comb is based on half-harmonic generation in a femtosecond optical parametric oscillator, which transfers the high phase coherence of a fully stabilized nearinfrared Er-doped fiber laser comb to the mid-infrared region. The method is simple, as no phase-locked loops or reference lasers are needed. Precise locking of optical frequencies of the mid-infrared comb to the pump comb is experimentally verified at sub-20 mHz level, which corresponds to a fractional statistical uncertainty of 2×10 -16 at the center frequency of the midinfrared comb. The fully stabilized mid-infrared comb is an ideal tool for high-precision molecular spectroscopy, as well as for optical frequency metrology in the mid-infrared region, which is difficult to access with other stabilized frequency comb techniques.

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“…In order to break the few-optical-cycle limit and to shorten the pulse duration below a single optical cycle, the most promising strategy is coherent combination, or synthesis, of pulses with different colors generated from separate sources. As discussed in greater detail in [2], the key ingredients of coherent waveform synthesis are (i) the generation of an ultrabroad spectrum, (ii) extremely precise spectral phase control over the whole bandwidth, (iii) sub-cycle timing synchronization as well as tight stabilization of the relative phases between the different sub-pulses, and (iv) CEP stability required for generating reproducible electric-field transients. Depending on the requirements (energy, spectral bandwidth, pulse duration, repetition rate etc.)…”

Section: Introductionmentioning

confidence: 99%

“…Waveform synthesizers can also be classified into (i) sequential and (ii) parallel schemes [2]. In sequential parametric waveform synthesizers [15], [55], different spectral regions are amplified in subsequent amplification stages employing different phase-matching conditions without ever splitting the beam.…”

Section: Introductionmentioning

confidence: 99%

Toward Waveform Nonlinear Optics Using Multimillijoule Sub-Cycle Waveform Synthesizers

Mücke

Fang

Cirmi

et al. 2015

IEEE J. Select. Topics Quantum Electron.

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Abstract-Waveform nonlinear optics aims to study and control the nonlinear interactions of matter with extremely short optical waveforms custom-tailored within a single cycle of light. Different technological routes to generate such multimillijoule sub-opticalcycle waveforms are currently pursued, opening up unprecedented opportunities in attoscience and strong-field physics. Here, we discuss the experimental schemes, introduce the technological challenges, and present our experimental results on high-energy sub-cycle optical waveform synthesis based on (1) parametric amplification and (2) induced-phase modulation in a two-color-driven gas-filled hollow-core fiber compressor. More specifically, for (1), we demonstrate a carrier-envelope-phase (CEP)-stable, multimillijoule three-channel parametric waveform synthesizer generating a >2-octave-wide spectrum (0.52-2.4 μm). After two amplification stages, the combined 125-μJ output supports 1.9-fs FWHM waveforms; energy scaling to >2 mJ is achieved after three amplification stages. FROG pulse characterization of all three second-stage outputs demonstrates the feasibility to recompress all three channels simultaneously close to the Fourier limit and shows the flexibility of our intricate dispersion management scheme for different Manuscript received January 23, 2015; revised April 16, 2015; accepted April 21, 2015. This work was supported by the Center for Free-Electron Laser Science at DESY, the excellence cluster "The Hamburg Centre for Ultrafast Imaging-Structure, Dynamics and Control of Matter at the Atomic Scale" of the Deutsche Forschungsgemeinschaft, the ERC-Synergy grant AXSIS under Grant 609920, and by JRA-INREX from LASERLAB-EUROPE under Grant 284464, ECS Seventh Framework Programme. The work of C. Manzoni was supported by MIUR FIRB under Grant RBFR12SW0J. experimental situations. For (2), we generate CEP-stable 1.7-mJ waveforms covering 365-930 nm (measured at 1% of the peak intensity) obtained from induced-phase modulation in a two-colordriven gas-filled hollow-core fiber. Using custom-designed doublechirped mirrors and a UV spatial light modulator will permit compression close to the 0.9-fs FWHM transform limit. These novel sources will become versatile tools for controlling strong-field interactions in matter and for attosecond pump-probe spectroscopy using VIS/IR and XUV/soft-X-ray pulses.Index Terms-Ultrabroadband sources, parametric oscillators and amplifiers, gas-filled hollow-core fiber pulse compression, pulse synthesis, waveform nonlinear optics.

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Coherent pulse synthesis: towards sub-cycle optical waveforms

Cited by 204 publications

References 231 publications

All-optical control of unipolar pulse generation in a resonant medium with nonlinear field coupling

All-optical control of unipolar pulse generation in a resonant medium with nonlinear field coupling

Fully stabilized mid-infrared frequency comb for high-precision molecular spectroscopy

Toward Waveform Nonlinear Optics Using Multimillijoule Sub-Cycle Waveform Synthesizers

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