Power efficiency vs. spectral efficiency and transmission distance in 2.5–10–40 Gbps backbone optical networks

Author

Bobrovs, Vjaceslavs ; Udalcovs, Aleksejs ; Ivanovs, Girts

Author_Institution

Inst. of Telecommun., Riga Tech. Univ., Riga, Latvia

fYear

2014

fDate

21-23 May 2014

Firstpage

202

Lastpage

205

Abstract

This paper aims to revealing the interrelation between channel spacing, transmission distance, and power efficiency on WDM system level of backbone optical network which configuration in based on the concept of Mixed-Line Rate (MLR). In such MLR network, three different types of wavelengths could co-propagate over the same optical fiber: 2.5 Gbps Non-Return-to-Zero (NRZ) On-Off Keying (OOK), 10 Gbps NRZ-OOK, and 40 Gbps NRZ-Differential Phase-Shift Keying (DPSK). It is found that depending on spectral efficiency power costs per transmitted bps can be reduced more than eight times for the same transmission distance.

Keywords

amplitude shift keying; differential phase shift keying; light propagation; light transmission; optical fibre networks; optical modulation; wavelength division multiplexing; DPSK; MLR network; NRZ-differential phase-shift keying; OOK; WDM system level; backbone optical network; bit rate 10 Gbit/s; bit rate 2.5 Gbit/s; bit rate 40 Gbit/s; channel spacing; mixed-line rate network; nonreturn-to-zero; on-off keying; optical fiber copropagation; power efficiency; spectral efficiency; transmission distance; Channel spacing; Modulation; Optical amplifiers; Optical fiber amplifiers; Optical fiber networks; Power demand; Wavelength division multiplexing; backbone optical networks; mixed-line rate; point-to-point distance; power efficiency; spectral efficiency; wavelength division multiplexing;

fLanguage

English

Publisher

ieee

Conference_Titel

Communications, Control and Signal Processing (ISCCSP), 2014 6th International Symposium on

Conference_Location

Athens

Type

conf

DOI

10.1109/ISCCSP.2014.6877850

Filename

6877850