Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group

Exploring hyperfine levels of non-Rydberg excited states in a Ξ system using Autler–Townes splitting

Not Accessible

Your library or personal account may give you access

Abstract

In this experimental work we report our findings about a cascade ($\Xi $) transition ${{5{\rm S}}_{1/2}} \to {{5{\rm P}}_{3/2}} \to {{5{\rm D}}_{3/2}}$ of both $ ^{85,87}{\rm Rb} $ atoms under different laser detuning combinations. The relative power levels of two individual lasers are adjusted under a counter-propagating configuration so that the system exhibits Autler–Townes splitting (ATS). However, the ATS, which is otherwise difficult to detect in a room-temperature alkali vapor cell offering large Doppler background, is well resolved here by using a combination of modulation transfer and phase-sensitive detection techniques. The results show that the AT components clearly indicate the hyperfine structure of ${{5{\rm D}}_{3/2}}$ level for $ ^{87}{\rm Rb} $ isotope. For $ ^{85}{\rm Rb} $, the resolution of ATS is limited by the relatively closer proximity of ${{5{\rm D}}_{3/2}}$ hyperfine components. The results are also verified through blue fluorescence detection by monitoring the ${{5{\rm D}}_{3/2}} \to {{6{\rm P}}_{3/2}} \to {{5{\rm S}}_{1/2}}$ non-degenerate decay arm. The technique is easy to implement and is able to reveal the hyperfine structure of the excited levels. However, the technique is not a good choice when an excited level with dense hyperfine structure is targeted.

© 2020 Optical Society of America

Full Article  |  PDF Article
More Like This
Discriminating electromagnetically induced transparency from Autler–Townes splitting in a Ξ system

Sudip K. Nath, Vaishali Naik, Alok Chakrabarti, and Ayan Ray
J. Opt. Soc. Am. B 36(9) 2610-2617 (2019)

Experimental study on transit time broadening in rubidium 5S-5D excitation

Vinay Shukla and Ayan Ray
Appl. Opt. 61(16) 4719-4724 (2022)

Autler-Townes splitting of three-photon excitation of cesium cold Rydberg gases

Jingxu Bai, Yuechun Jiao, Yunhui He, Rong Song, Jianming Zhao, and Suotang Jia
Opt. Express 30(10) 16748-16757 (2022)

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Figures (6)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Equations (4)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Select as filters


Select Topics Cancel
© Copyright 2024 | Optica Publishing Group. All Rights Reserved