Generation and characterization of phase and amplitude shaped femtosecond mid-IR pulses

Sang-Hee Shim, David B. Strasfeld, Martin T. Zanni

Research output: Contribution to journalArticle

77 Citations (Scopus)

Abstract

A germanium acousto-optic modulator was recently reported (Shim et al., Optics Letters, 31, 838, 2006) that is capable of generating phase and amplitude shaped femtosecond pulses directly in the mid-infrared. In this paper, the design, implementation and performance of this novel mid-IR shaper is described in detail as is the sub-50 fs optical parametric amplifier that provides large bandwidth for generation of complex pulse shapes. These details include the acoustic power and wavelength dependence of the deflection efficiency, the phase stability of the shaper, the synchronization of electronics, and a study on how the mid-IR bandwidth of the optical parametric amplifier depends on its optical configuration. With these details quantified, the accuracy of the device is tested by creating a series of shaped pulses that are characterized by cross-correlation with well-known mid-IR reference pulses and by simulations. Test waveforms include optimally compressed, phase-chirped and amplitude-modulated mid-IR pulses. The shaped pulses are of sufficient quality that they will enable new experiments in 2D IR spectroscopy and in the coherent control of vibrations in ground electronic states.

Original languageEnglish
Pages (from-to)13120-13130
Number of pages11
JournalOptics Express
Volume14
Issue number26
DOIs
Publication statusPublished - 2006 Dec 25
Externally publishedYes

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pulses
shapers
parametric amplifiers
light amplifiers
bandwidth
acousto-optics
electronics
cross correlation
deflection
modulators
synchronism
germanium
waveforms
optics
vibration
acoustics
configurations
wavelengths
spectroscopy
simulation

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Generation and characterization of phase and amplitude shaped femtosecond mid-IR pulses. / Shim, Sang-Hee; Strasfeld, David B.; Zanni, Martin T.

In: Optics Express, Vol. 14, No. 26, 25.12.2006, p. 13120-13130.

Research output: Contribution to journalArticle

Shim, Sang-Hee ; Strasfeld, David B. ; Zanni, Martin T. / Generation and characterization of phase and amplitude shaped femtosecond mid-IR pulses. In: Optics Express. 2006 ; Vol. 14, No. 26. pp. 13120-13130.
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