Similar questions

Describe with diagram the structure of a distributed feedback laser.

Marks: 10M

Year: May2015, May2012

• The spectral display of fabry-perot laser shows that it consists of central highest amplitude of modal component and others have progressively lower amplitude.

• This is a disadvantage when used in optical communications systems because its wide spectral width significantly increases chromatic absorption, with a consequent reduction of usable transmission bandwidth. …