Abstract
Passive band-rejection (notch) filters such as long-period gratings are becoming useful in optical WDM communications for gain flattening in optical amplifiers1,2.
© 1997 Optical Society of America
PDF ArticlePassive band-rejection (notch) filters such as long-period gratings are becoming useful in optical WDM communications for gain flattening in optical amplifiers1,2.
© 1997 Optical Society of America
PDF Article