Increase of the SBS threshold in a short highly nonlinear fiber by applying a temperature distribution

Autor:	Frederic Dross, Mathias Westlund, S.N. Knudsen, Peter A. Andrekson, Jonas Hansryd
Rok vydání:	2001
Předmět:	Optical fiber Materials science business.industry Physics::Optics Atomic and Molecular Physics and Optics law.invention Wavelength Four-wave mixing Temperature gradient Zero-dispersion wavelength Optics law Brillouin scattering Dispersion-shifted fiber business Temperature coefficient
Zdroj:	Journal of Lightwave Technology. 19:1691-1697
ISSN:	0733-8724
DOI:	10.1109/50.964069
Popis:	We evaluate numerically and experimentally the stimulated Brillouin scattering (SBS) threshold increase for a short, highly nonlinear GeO/sub 2/-doped fiber by applying different temperature distributions along the fiber. The temperature coefficient for the Brillouin frequency downshift is measured to 1.2 MHz//spl deg/C. A threefold SBS threshold increase is obtained for a 100-m long highly nonlinear fiber with a 140/spl deg/C temperature gradient. The proposed scheme is implemented in a wavelength converter based on fiber optical four-wave mixing (FWM). The SBS suppression scheme shows negligible influence on the FWM efficiency as well as the wavelength conversion bandwidth. The temperature coefficient for the zero dispersion wavelength is measured to 0.062 nm//spl deg/C.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::dcd583c73cbe5d9b610a132cbc1d1108 https://doi.org/10.1109/50.964069 Zobrazit plný text záznamu