Invited Article

The coherent optical laser beam recombination technique (COLBERT) spectrometer: Coherent multidimensional spectroscopy made easier

Daniel Turner, Katherine W. Stone, Kenan Gundogdu, Keith A. Nelson

Research output: Contribution to journalArticle

Abstract

We have developed an efficient spectrometer capable of performing a wide variety of coherent multidimensional measurements at optical wavelengths. The two major components of the largely automated device are a spatial beam shaper which controls the beam geometry and a spatiotemporal pulse shaper which controls the temporal waveform of the femtosecond pulse in each beam. We describe how to construct, calibrate, and operate the device, and we discuss its limitations. We use the exciton states of a semiconductor nanostructure as a working example. A series of complex multidimensional spectra-displayed in amplitude and real parts-reveals increasingly intricate correlations among the excitons.

Original languageEnglish (US)
Article number081301
JournalReview of Scientific Instruments
Volume82
Issue number8
DOIs
StatePublished - Aug 2011

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Excitons
Laser beams
Spectrometers
shapers
Spectroscopy
laser beams
spectrometers
Ultrashort pulses
excitons
spectroscopy
Nanostructures
Semiconductor materials
pulses
Wavelength
Geometry
waveforms
geometry
wavelengths

ASJC Scopus subject areas

  • Instrumentation

Cite this

Invited Article : The coherent optical laser beam recombination technique (COLBERT) spectrometer: Coherent multidimensional spectroscopy made easier. / Turner, Daniel; Stone, Katherine W.; Gundogdu, Kenan; Nelson, Keith A.

In: Review of Scientific Instruments, Vol. 82, No. 8, 081301, 08.2011.

Research output: Contribution to journalArticle

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