Dual frequency comb photon echo spectroscopy

Jonggu Jeon, Junwoo Kim, Tai Hyun Yoon, Minhaeng Cho

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Dual frequency comb (DFC) nonlinear spectroscopy is an emerging technique that can be used to study a variety of molecular nonlinear responses by exploiting the automatic pulse-to-pulse time delay scanning and fast data acquisition characteristics of the DFC techniques. Here, we propose a DFC-based photon echo spectroscopy (DFC-PES), where two optical frequency comb lasers have slightly different repetition rates and are also allowed to have different carrier frequencies. We first demonstrate our theoretical approach for DFC linear spectroscopy. Then, the signals expected from the proposed DFC-PES are theoretically calculated. The slight offset in the pulse repetition rates enables asynchronous optical sampling and automatic scanning of the time intervals between different field–matter interaction events, making frequency tuning unnecessary. Analytic expression of the third-order photon echo signal is demonstrated in two frequency dimensions for a simple two-level model system. The signal has a well-defined and simple connection to the underlying third-order response function and exhibits the expected down-conversion features from the optical frequency into the radio frequency region with a down-conversion factor that is experimentally controllable.

Original languageEnglish
Pages (from-to)223-234
Number of pages12
JournalJournal of the Optical Society of America B: Optical Physics
Volume36
Issue number2
DOIs
Publication statusPublished - 2019 Feb 1

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echoes
photons
spectroscopy
scanning
carrier frequencies
pulse repetition rate
pulses
data acquisition
emerging
repetition
radio frequencies
time lag
sampling
tuning
intervals
lasers

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Atomic and Molecular Physics, and Optics

Cite this

Dual frequency comb photon echo spectroscopy. / Jeon, Jonggu; Kim, Junwoo; Yoon, Tai Hyun; Cho, Minhaeng.

In: Journal of the Optical Society of America B: Optical Physics, Vol. 36, No. 2, 01.02.2019, p. 223-234.

Research output: Contribution to journalArticle

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