Dual-comb spectroscopy of molecular electronic transitions in condensed phases

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Title
Dual-comb spectroscopy of molecular electronic transitions in condensed phases
Author(s)
Byungmoon Cho; Tai Hyun Yoon; Minhaeng Cho
Publication Date
2018-03
Journal
PHYSICAL REVIEW A, v.97, no.3, pp.033831 -
Publisher
AMER PHYSICAL SOCAmerican Physical Society
Abstract
Dual-comb spectroscopy (DCS) utilizes two phase-locked optical frequency combs to allow scanless acquisition of spectra using only a single point detector. Although recent DCS measurements demonstrate rapid acquisition of absolutely calibrated spectral lines with unprecedented precision and accuracy, complex phase-locking schemes and multiple coherent averaging present significant challenges for widespread adoption of DCS. Here, we demonstrate Global Positioning System (GPS) disciplined DCS of a molecular electronic transition in solution at around 800 nm, where the absorption spectrum is recovered by using a single time-domain interferogram. We anticipate that this simplified dual-comb technique with absolute time interval measurement and ultrabroad bandwidth will allow adoption of DCS to tackle molecular dynamics investigation through its implementation in time-resolved nonlinear spectroscopic studies and coherent multidimensional spectroscopy of coupled chromophore systems. © 2018 American Physical Society
URI
https://pr.ibs.re.kr/handle/8788114/4607
ISSN
2469-9926
Appears in Collections:
Center for Molecular Spectroscopy and Dynamics(분자 분광학 및 동력학 연구단) > Journal Papers (저널논문)
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