Modulated Photon Emission of Eu<sup>3+</sup> in Microsphere Cavity

Chin. Phys. Lett.

2006, Vol. 23

Issue (9): 2442-2445 DOI:

Original Articles

Modulated Photon Emission of Eu³⁺ in Microsphere Cavity

YANG Yong;HAN Zheng-Fu;DONG Chun-Hua;XIAO Yun-Feng;GUO Guang-Can

Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei 230026

Cite this article:

YANG Yong, HAN Zheng-Fu, DONG Chun-Hua et al 2006 Chin. Phys. Lett. 23 2442-2445

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Abstract Fused silica microsphere with a few Eu³⁺ ions on the equator is fabricated. The photon emission sharply modulated by whispering gallery (WG) modes is observed under excitation of 395nm laser, which is in agreement with the prediction in theory. The quality factor of the WG modes in microsphere is estimated larger than 3000 from the emission spectrum, which is limited by our monochrometer. It proves that pumping Eu³⁺ in microsphere cavity in free space is feasible, and this system seems suitable for realizing strong coupling in future quantum computation purposes.

Keywords: 42.50.-p 42.60.Da

Published: 01 September 2006

PACS:	42.50.-p	(Quantum optics)
	42.60.Da	(Resonators, cavities, amplifiers, arrays, and rings)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2006/V23/I9/02442

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	YANG Yong
	HAN Zheng-Fu
	DONG Chun-Hua
	XIAO Yun-Feng
	GUO Guang-Can

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