Ladder-type electromagnetically induced transparency with optical pumping effect

Zong Syun He, Jyh Hung Tsai, Yung Yung Chang, Chi Chuan Liao, Chin Chun Tsai

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)


This paper thoroughly elucidates the relative intensities of the probe transmission in a ladder-type electromagnetically induced transparency (EIT) system by considering the optical pumping effect. The observed EIT spectra reveal a different probe or coupling power dependence for various transmission peaks. In addition to causing quantum interference, the probe and coupling laser fields realign the population of Zeeman sublevels in the ground state through optical pumping. Analytical results indicate that the re-distribution levels, failing to contribute to the EIT peaks, either out of transition path or zero transition probability, significantly affect the transmission intensity.

Original languageEnglish
Article number033402
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Issue number3
Publication statusPublished - 2013 Mar 4

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics


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