Altering the initial powers of different wavelengths in a system, so that they all arrive at the end of the system with equal powers. This can counteract the effects of stages in a system that may incur different amounts of loss or gain at different wavelengths.
| To upload an avatar photo, first complete your Disqus profile. | View the list of supported HTML tags you can use to style comments. | Please read our commenting policy. | |

