Negative Group Delay and Superluminal Propagation: An Electronic Circuit Approach

Details Negative Group Delay and Superluminal Propagation: An Electronic Circuit Approach Negative Group Delay and Superluminal Propagation: An Electronic Circuit Approach

2003-02-21

arxiv.org/abs/quant-ph/0302166v1

IEEE Journal of Selected Topics in Quantum Electronics Vol.9 No. 1 (2003) p.43

Physics

Quantum Physics

9 pages, 13 figures

Scientific paper

We present a simple electronic circuit which provides negative group delays for band-limited, base-band pulses. It is shown that large time advancement comparable to the pulse width can be achieved with appropriate cascading of negative-delay circuits but eventually the out-of-band gain limits the number of cascading. The relations to superluminality and causality are also discussed.

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