Title :
Linewidth of a single mode in a multimode injection laser
Author_Institution :
British Telecom Research Laboratories, Ipswich, UK
Abstract :
An expression is derived for the quantum noise-limited line-width of each individual mode in a multimode laser. Numerical calculations show that the mode linewidth of a two-mode 1.55 ¿m laser is only about 10% larger than that in a single-mode device.
Keywords :
laser modes; laser theory; semiconductor junction lasers; 1.55 micron wavelength; multimode injection laser; numerical calculations; quantum noise-limited linewidth; single mode;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19830443
