Low light level all-optical switching in a four-level atom-cavity system
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- 作者：Yafan Duan ; Gongwei Lin ; gwlin@ecust.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Shicheng Zhang ; Yueping Niu ; Shangqing Gong ; sqgong@ecust.edu.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：All-optical switching ; Coherence ; The atom-cavity system ; EIT
- 刊名：Optics Communications
- 出版年：2016
- 出版时间：1 January 2016
- 年：2016
- 卷：358
- 期：Complete
- 页码：73-76
- 全文大小：714 K
文摘
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An all-optical switching in a four-level atom-cavity system.
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In this system, an extra coherence between two ground states is induced by two coupling lasers.
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This results that we can use one weak field to control another weak field at low light levels.