Physics – Quantum Physics
Scientific paper
2004-07-13
American Journal of Physics, Volume 73, Issue 4, pp. 323-329 (2005)
Physics
Quantum Physics
The following article has been submitted to the American Journal of Physics. After it is published, it will be found at http
Scientific paper
10.1119/1.1842731
We present an electronic circuit which simulates wave propagation in dispersive media. The circuit is an array of phase shifter composed of operational amplifiers and can be described with a discretized version of one-dimensional wave equation for envelopes. The group velocity can be changed both spatially and temporarily. It is used to emulate slow light or stopped light, which has been realized in a medium with electromagnetically induced transparency (EIT). The group-velocity control of optical pulses is expected to be a useful tool in the field of quantum information and communication.
Kitano Masao
Nakanishi Takeshi
Sugiyama Katsuyuki
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