## Electromagnetically induced transparency and optical switching in a rubidium cascade system

Applied Optics, Vol. 40, Issue 12, pp. 2047-2051 (2001)

http://dx.doi.org/10.1364/AO.40.002047

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### Abstract

Electromagnetically induced transparency is observed in a mismatched-wavelength cascade system with a room-temperature rubidium vapor cell. A cw probe laser beam monitors the 5*S*_{1/2} → 5*P*_{3/2} transition while another cw laser couples the 5*P*_{3/2} state to a higher excited state. The ratio of the observed Rabi frequencies for coupling to the 5*P*_{3/2} → 8*D*_{3/2}, _{5/2} transitions agrees well with that predicted by use of the transition oscillator strengths. Optical switching is demonstrated with an 80-mW coupling laser beam modulated up to 1 MHz.

© 2001 Optical Society of America

**OCIS Codes**

(020.4900) Atomic and molecular physics : Oscillator strengths

(060.1810) Fiber optics and optical communications : Buffers, couplers, routers, switches, and multiplexers

(060.4080) Fiber optics and optical communications : Modulation

(270.1670) Quantum optics : Coherent optical effects

(300.6210) Spectroscopy : Spectroscopy, atomic

**Citation**

Jason Clarke, Hongxin Chen, and William A. van Wijngaarden, "Electromagnetically induced transparency and optical switching in a rubidium cascade system," Appl. Opt. **40**, 2047-2051 (2001)

http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-40-12-2047

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