Supercontinuum generation as a signal amplifier
Research output: Contribution to journal › Article › Scientific › peer-review
|Number of pages||8|
|Publication status||Published - 2015|
|Publication type||A1 Journal article-refereed|
Supercontinuum white-light generation in optical fibers is a process that is known for its extreme sensitivity toward fluctuations of the input pulses, giving rise to a strong amplification of input noise. Such noise amplification has been recognized as a detrimental effect that prevents compression of the broad white-light spectra into a few-cycle pulse. Here, we show that the same effect can be exploited to amplify and recover faint modulation signals to an extent that seems impossible with any electronic method. We experimentally demonstrate the deterministic amplification of faint amplitude modulation signals by up to 60 dB. As we show from numerical simulations, this amplification process arises from the interaction dynamics between solitons and dispersive radiation in the fiber. The resulting all-optic signal restoration provides a new photonic building block that enables signal processing at virtually unlimited processing speeds.
ASJC Scopus subject areas
- Nonlinear optics, fibers, Ultrafast nonlinear optics, Ultrafast processing