Simultaneous measurement of two ultrashort laser pulses from a single spectrogram in a single shot

Kane, Daniel J.; Rodriguez, George; Taylor, Antoinette J.; Clement, T.S.

doi:10.1364/josab.14.000935

Cited by 93 publications

(69 citation statements)

References 19 publications

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“…The photoelectron wavepacket was retrieved using a standard attosecond retrieval technique, frequency resolved optical gating for complete reconstruction of attosecond bursts [12] (FROG-CRAB) with a principal components generalised projections algorithm [22] (PCGPA). The low collection efficiency (8.8 × 10 −4 ) of our TOF limited the signal-to-noise of the streaking measurements.…”

Section: Resultsmentioning

confidence: 99%

Temporal broadening of attosecond photoelectron wavepackets from solid surfaces

Okell¹,

Witting²,

Fabris³

et al. 2015

Optica

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The response of solids to electromagnetic fields is of crucial importance in many areas of science and technology. Many fundamental questions remain to be answered about the dynamics of the photoexcited electrons that underpin this response, which can evolve on timescales of tens to hundreds of attoseconds. How, for example, is the photoexcited electron affected by the periodic potential as it travels in the solid, and how do the other electrons respond in these strongly correlated systems? Furthermore, control of electronic motion in solids with attosecond precision would pave the way for the development of ultrafast optoelectronics. Attosecond electron dynamics can be traced using streaking, a technique where a strong near-infrared laser field accelerates an attosecond electron wavepacket photoemitted by an extreme ultraviolet light pulse, imprinting timing information onto it. We present attosecond streaking measurements on the wide-bandgap semiconductor tungsten trioxide, and on gold, a metal used in many nanoplasmonic devices. Information about electronic motion in the solid is encoded on the temporal properties of the photoemitted electron wavepackets, which are consistent with a spread of electron transport times to the surface following photoexcitation.

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Section: Resultsmentioning

confidence: 99%

Temporal broadening of attosecond photoelectron wavepackets from solid surfaces

Okell¹,

Witting²,

Fabris³

et al. 2015

Optica

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“…The pulse shape can next be retrieved from the TROG trace of (19) by the iterative TROG algorithm depicted in Fig. 2.…”

Section: Dispersive Propagation (Dp): a New Trog Geometrymentioning

confidence: 99%

“…8 according to (19). As stated before, the trace with cannot be acquired in this way but is replaced with the trace obtained by calculating (20).…”

Section: Dp-trog Pulse Reconstructionmentioning

confidence: 99%

“…The amplitude and phase of the pulse can be reconstructed from this measured FROG trace by an iterative algorithm based on generalized projections (GP) [15]- [18]. The GP method has recently been improved and the resulting principal component generalized projections algorithm (PCGPA) [19] is fast enough to allow real-time inversion of FROG spectrograms [20].…”

Section: Introductionmentioning

confidence: 99%

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Time-resolved optical gating based on dispersive propagation: a new method to characterize optical pulses

Koumans

Yariv

2000

IEEE J. Quantum Electron.

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Abstract-We introduce the technique of time-resolved optical gating (TROG) based on dispersive propagation (DP), a new noninterferometric method for characterizing ultrashort optical pulses in amplitude and phase without the need for a short optical gating pulse. TROG is similar to frequency-resolved optical gating except that the role of time and frequency is interchanged. For the DP-TROG geometry, we show that measurements of the autocorrelation trace of the pulse after propagation through a medium with variable dispersion together with a single measurement of its intensity spectrum contain sufficient information to reconstruct the pulse in amplitude and phase. Pulse reconstruction for this DP-TROG geometry works very well even for the case of a nonlinearly chirped double pulse. Compared with other methods, DP-TROG does not introduce an ambiguity in the direction of time for the pulse. Due to its simplicity and improved sensitivity, DP-TROG is expected to be useful in characterizing low-energy pulses.Index Terms-Optical correlators, optical fiber dispersion, optical propagation in dispersive media, optical pulse compression, optical pulse measurements, pulse characterization, time-domain measurements.

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“…Over the years, researchers have proposed different techniques to accomplish this two-pulse measurement task in a single device, such as Blind-FROG [18][19][20], complete reconstruction of attosecond bursts (CRAB) [21,22] very advanced method for phase and intensity retrieval of e-fields (VAMPIRE) [23,24] and Double Blind FROG [25,26]. Several articles have reviewed the commonly used single-pulse measurement techniques [27][28][29][30], so we will focus on the two-pulse measurement problem and review the aforementioned techniques.…”

Section: Introductionmentioning

confidence: 99%

Recent Developments in Experimental Techniques for Measuring Two Pulses Simultaneously

Wong

Trebino

2013

Applied Sciences

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As many high-intensity ultrafast-optical measurements involve more than one pulse-typically one to excite a medium under study and another to probe it-a technique for measuring two pulses simultaneously is highly desirable. In two decades, two-pulse measurement techniques have advanced from ambiguity-laden to a recently developed technique that can measure a pulse pair with arbitrary central wavelengths, complexities and bandwidths. Here, we review recent efforts to simultaneously measure two ultrashort laser pulses using a single device.

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Simultaneous measurement of two ultrashort laser pulses from a single spectrogram in a single shot

Cited by 93 publications

References 19 publications

Temporal broadening of attosecond photoelectron wavepackets from solid surfaces

Temporal broadening of attosecond photoelectron wavepackets from solid surfaces

Time-resolved optical gating based on dispersive propagation: a new method to characterize optical pulses

Recent Developments in Experimental Techniques for Measuring Two Pulses Simultaneously

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