Negative group delay and superluminal propagation: an electronic circuit approach

By Masao Kitano, Toshihiro Nakanishi, Kazuhiko Sugiyama. 2003

175 citations recorded by the source corpus.

We present a simple electronic circuit which provides negative group delays for band-limited baseband pulses. It is shown that large time advancement comparable to the pulsewidth 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.

Subfields: Atomic and Molecular Physics, and Optics

View Paper: https://www.semanticscholar.org/paper/ee43b5d7be2d02154c5527a5e70b8f41c605f63f