Open AccessDesign optimisation for obtaining flat, high power supercontinuum source over C + L band
Author(s) -
Charu Kakkar,
K. Thyagarajan
Publication year - 2006
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.14.010292
Subject(s) - supercontinuum , optics , bandwidth (computing) , dispersion (optics) , optical fiber , materials science , power (physics) , single mode optical fiber , physics , photonic crystal fiber , telecommunications , computer science , quantum mechanics
We propose an optimised fiber design for obtaining spectrally flat, high power supercontinuum (SC) source covering C+L band of optical communication. The design is based on the principle of controlled expansion of SC bandwidth, in the absence of soliton decay, so that a high output power along with smooth spectral profile can be achieved. A detailed optimisation has been carried out with respect to fiber dispersion profile, pulse width and fiber length, and the physical mechanism for each case has been emphasised. Numerical simulations show that single mode output with > 30 dBm (+/- 0.5 dB) optical power is attainable over 90-nm bandwidth with approximately 16 pJ of input pulse energy.