Abstract

We investigate a four-level system in the Er3+-doped yttrium aluminum garnet crystal that can produce an absorption or gain doublet in the probe absorption spectrum when driven by a coherent field and incoherent pumping. It is found that the transparent linear positive or negative dispersion can occur between the doublet lines. We show that the group index of a probe pulse can be manipulated when we control the incoherent pumping and the coherent field.

© 2004 Optical Society of America

Full Article  |  PDF Article
Related Articles
Arbitrarily copropagating superluminal and slow light by controllable one-photon detuning in trapped cold atoms

Yanting Zhao, Jie Ma, Xianli Zhang, Lirong Wang, Liantuan Xiao, and Suotang Jia
Opt. Express 16(7) 4747-4752 (2008)

Switching from subluminal to superluminal light propagation via a coherent pump field in a four-level atomic system

Shang-qi Kuang, Ren-gang Wan, Jun Kou, Yun Jiang, and Jin-yue Gao
J. Opt. Soc. Am. B 26(12) 2256-2260 (2009)

Transition of light propagation from slow light to superluminal light in a four-level system

Hao Wu, Yundong Zhang, Shuangqiang Liu, Jinfang Wang, Boshi Dang, and Ping Yuan
J. Opt. Soc. Am. B 27(6) A93-A98 (2010)

References

You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

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

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 OSA member, or as an authorized user of your institution.

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

Figures (5)

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

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

Equations (25)

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

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

Metrics

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

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