Title :
Fundamental noise limits in broadband Raman amplifiers
Author :
Fludger, C.R.S. ; Handerek, V. ; Mears, R.J.
Author_Institution :
Nortel Networks, Harlow, UK
Abstract :
We show that broadband discrete Raman amplifiers based on silica-germania will have a noise figure significantly greater than the quantum limit. We also present temperature measurements on a broadband distributed Raman amplifier using asymmetrically-spaced pumps.
Keywords :
Raman lasers; laser noise; optical fibre amplifiers; optical fibre communication; optical pumping; temperature measurement; asymmetrically-spaced pumps; broadband Raman amplifiers; broadband discrete Raman amplifiers; broadband distributed Raman amplifier; broadband fibre networks; fundamental noise limits; noise figure; quantum limit; silica-germania; temperature measurements; Broadband amplifiers; Distributed amplifiers; Noise figure; Optical amplifiers; Optical fiber amplifiers; Optical fiber cables; Optical noise; Optical pumping; Spontaneous emission; Stimulated emission;
Conference_Titel :
Optical Fiber Communication Conference and Exhibit, 2001. OFC 2001
Conference_Location :
Anaheim, CA, USA
Print_ISBN :
1-55752-655-9
