Optical computing accelerators may help alleviate bandwidth and power consumption bottlenecks in electronics. We show an approach to implementing logarithmic-type analog co-processors in silicon photonics and use it to perform the exponentiation operation. The function is realized by exploiting nonlinear-absorption-enhanced Raman amplification saturation in a silicon waveguide.
@article{arxiv.1510.00489,
title = {Analog Optical Computing Primitives in Silicon Photonics},
author = {Yunshan Jiang and Peter T. S. DeVore and Bahram Jalali},
journal= {arXiv preprint arXiv:1510.00489},
year = {2016}
}