Abstract

We compare the Autler–Townes (AT)-splitting in ${{\rm Eu}^{3 + }}{:}{{\rm YPO}_4}$, ${{\rm Pr}^{3 + }}{:}{{\rm YPO}_4}$, and ${{\rm Pr}^{3 + }}{:}{{\rm Y}_2}{{\rm SiO}_5}$ crystals. The AT-splitting in ${{\rm Pr}^{3 + }}{:}{{\rm Y}_2}{{\rm SiO}_5}$ is stronger than other two-doped crystals, while the ${{\rm Pr}^{3 + }}$ ion has a stronger dressing than the ${{\rm Eu}^{3 + }}$ ion in a host material of YPO. The stronger dressing in YSO is attributed to the ${{\rm C}_{2h}}$ symmetry of the YSO crystal and its nondegeneracy, making the dressing sensitive to doped material. By investigating the relationship between spectral AT-splitting (SAT-splitting) and temporal AT-splitting (TAT-splitting), we observed that TAT-splitting depends upon the dressing effect and phonon-assisted nonradiative transition whereas SAT-splitting results only from the dressing effect. Based on our results, we proposed a model for an optical router and transistor (amplifier and switch). The router action results from the SAT- and TAT-splitting while the transistor was realized by a switch from bright to dark dressed states.

© 2019 Optical Society of America

Superior atomic coherence time controlled by crystal phase transition and optical dressing

Jinyang Li, Jianfeng Zhu, Muhammad Imran, Huanrong Fan, Anas Mujahid, Faisal Nadeem, Peng Li, and Yanpeng Zhang
Opt. Lett. 47(9) 2310-2313 (2022)

Correlation and squeezing for optical transistor and intensity router applications in diamond NV center

Noor Ahmed, Ghulam Abbas Khan, Ruimin Wang, Jingru Hou, Rui Gong, Lingmeng Yang, and Yanpeng Zhang
Opt. Lett. 42(9) 1788-1791 (2017)

Ultrafast optical transistor and router of multi-order fluorescence and spontaneous parametric four-wave mixing in Pr³⁺:YSO

Feng Wen, Imran Ali, Abdulkhaleq Hasan, Changbiao Li, Haijun Tang, Yufei Zhang, and Yanpeng Zhang
Opt. Lett. 40(20) 4599-4602 (2015)

Gigahertz-bandwidth optical memory in Pr³⁺:Y₂SiO₅

M. Nicolle, J. N. Becker, C. Weinzetl, I. A. Walmsley, and P. M. Ledingham
Opt. Lett. 46(12) 2948-2951 (2021)

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)