Fourier-transform spectroscopy combined with a 5-fs broadband pulse for multispectral nonlinear microscopy

Keisuke Isobe, Akira Suda, Masahiro Tanaka, Fumihiko Kannari, Hiroyuki Kawano, Hideaki Mizuno, Atsushi Miyawaki, Katsumi Midorikawa

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

We propose a technique for distinguishing the origin of a four-wave mixing (FWM) signal. This technique is based on nonlinear Fourier-transform spectroscopy (FTS) combined with the use of a broadband pulse. We theoretically analyze FWM-FTS and show that the response function in FWM is obtained from the FWM power spectrum calculated by the Fourier transform of an interferometric autocorrelation signal. When a broadband pulse is employed as an excitation light source, the FWM power spectrum shows not only Raman resonance but also two-photon electronic resonance. By comparing the FWM power spectrum of a resonant sample with that of a nonresonant reference sample, the origin of FWM is identified. By employing theoretical analysis, we experimentally demonstrate FWM-FTS using a 5-fs broadband pulse. By combining the use of a 5-fs pulse with nonlinear FTS based on two-photon excited fluorescence, we also successfully measured a two-photon excitation spectrum with a bandwidth of 300 nm.

Original languageEnglish
Article number063832
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume77
Issue number6
DOIs
Publication statusPublished - 2008 Jun 23

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four-wave mixing
broadband
microscopy
pulses
spectroscopy
power spectra
photons
autocorrelation
excitation
light sources
bandwidth
fluorescence
electronics

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Physics and Astronomy(all)

Cite this

Fourier-transform spectroscopy combined with a 5-fs broadband pulse for multispectral nonlinear microscopy. / Isobe, Keisuke; Suda, Akira; Tanaka, Masahiro; Kannari, Fumihiko; Kawano, Hiroyuki; Mizuno, Hideaki; Miyawaki, Atsushi; Midorikawa, Katsumi.

In: Physical Review A - Atomic, Molecular, and Optical Physics, Vol. 77, No. 6, 063832, 23.06.2008.

Research output: Contribution to journalArticle

Isobe, Keisuke ; Suda, Akira ; Tanaka, Masahiro ; Kannari, Fumihiko ; Kawano, Hiroyuki ; Mizuno, Hideaki ; Miyawaki, Atsushi ; Midorikawa, Katsumi. / Fourier-transform spectroscopy combined with a 5-fs broadband pulse for multispectral nonlinear microscopy. In: Physical Review A - Atomic, Molecular, and Optical Physics. 2008 ; Vol. 77, No. 6.
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