Dual frequency comb photon echo spectroscopy

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Title
Dual frequency comb photon echo spectroscopy
Author(s)
JONGGU JEON; JUNWOO KIM; TAI HYUN YOON; MINHAENG CHO
Publication Date
2019-02
Journal
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS, v.36, no.2, pp.223 - 234
Publisher
OPTICAL SOC AMER
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. © 2019 Optical Society of America
URI
https://pr.ibs.re.kr/handle/8788114/5716
ISSN
0740-3224
Appears in Collections:
Center for Molecular Spectroscopy and Dynamics(분자 분광학 및 동력학 연구단) > Journal Papers (저널논문)
Files in This Item:
Dual Frequency Comb Photon_전종구(윤태현, 조민행).pdfDownload

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