Abstract
In this paper we present results from the study of optical signal amplification using Raman assisted fiber optical parametric amplifier with considerable benefits for S-band telecommunication systems where the use of widely used erbium-doped fiber amplifier is limited. We have created detailed models and performed computer simulations of combined Raman and fiber optical parametric amplification in a 16-channel 40 Gbps/channel wavelength division multiplexed transmission system. Achieved gain bandwidth, as well as transmission system parameters—signal-to-noise ratio and bit-error-ratio—were analyzed by comparing the Raman assisted fiber optical parametric amplifier to the single pump fiber optical parametric amplifier. Results show that the 3 dB gain bandwidth in the case of combined amplification is up to 0.2 THz wider with 1.9 dB difference between the lowest and highest gain.
Highlights
Company Cisco predicts that overall Internet Protocol (IP) traffic will grow at a compound annual growth rate (CAGR) of 26% from 2017 to 2022 [1]
We show results from the analysis of potential use of RA-Fiber optical parametric amplifiers (FOPA) amplifier in 16 channel wavelength division multiplexing (WDM) system operating in the optical S-band with 100 GHz channel spacing
Results showed that Raman assisted FOPA (RA-FOPA) gain is more even and its −3 dB gain bandwidth is
Summary
The development of optical transmission systems is mainly determined by the demand for a steadily increasing amount of data to be transmitted over telecommunications networks. Despite the rapid development of mobile communication systems fiber optics still have a major role in backhaul and access networks. According to the Ericsson Mobility Report, around half of all households in the world, i.e., over 1 billion—are yet to have a fixed broadband connection [2]. A large amount of data transmission requires high-speed transmission systems. One of such technologies that can offer information broadcast at high data rates is optical transmission systems based on wavelength division multiplexing (WDM)
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