<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Considering the growing demand for broadband of access networks, in the present paper we investigate various modulation formats as a way of increasing the performance of optical transmission systems. Non-return-to-zero (NRZ) on-off keying, return-to-zero (RZ) OOK, carrier suppressed RZ (CSRZ) OOK, duobinary (DB), NRZ differential phase shift keying (NRZDPSK), RZ-DPSK and CSRZ-DPSK formats are compared using the maximal achievable reach with bit error rate less than 10<sup>−9</sup> as a criterion. Simulations are performed by using OptSim software tool. It is shown that using the transmission system without dispersion compensation the best results are shown by duobinary and CSRZ-OOK modulation formats, but with the system using dispersion compensating fiber (DCF) the longest transmission distance is achieved by RZ-DPSK modulation format. By investigating the influence of channel spacing for best-performed modulation formats, network reach decrease for transmission systems with DCF fiber has been observed due to channel crosstalk.</p></abstract>

Considering the growing demand for broadband of access networks, in the present paper we investigate various modulation formats as a way of increasing the performance of optical transmission systems. Non-return-to-zero (NRZ) on-off keying, return-to-zero (RZ) OOK, carrier suppressed RZ (CSRZ) OOK, duobinary (DB), NRZ differential phase shift keying (NRZDPSK), RZ-DPSK and CSRZ-DPSK formats are compared using the maximal achievable reach with bit error rate less than 10−9 as a criterion. Simulations are performed by using OptSim software tool. It is shown that using the transmission system without dispersion compensation the best results are shown by duobinary and CSRZ-OOK modulation formats, but with the system using dispersion compensating fiber (DCF) the longest transmission distance is achieved by RZ-DPSK modulation format. By investigating the influence of channel spacing for best-performed modulation formats, network reach decrease for transmission systems with DCF fiber has been observed due to channel crosstalk.

Investigation on Maximum Available Reach for Different Modulation Formats in WDM-PON Systems

Institute of Telecommunications, Riga Technical University, 12 Azenes Str., LV-1048, Riga,

Latvian Journal of Physics and Technical Sciences

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Considering the growing demand for broadband of access networks, in the present paper we investigate various modulation formats as a way of increasing the...

Investigation on Maximum Available Reach for Different Modulation Formats in WDM-PON Systems

Published Online: Sep 24, 2016

Page range: 66 - 75

DOI: https://doi.org/10.1515/lpts-2016-0030

Keywords
carrier suppressed RZ (CSRZ), chromatic dispersion (CD) compensation, dispersion compensating fiber (DCF), duobinary (DB), modulation formats, non–return-to-zero (NRZ), NRZ differential phase shift keying (NRZ DPSK), return-to-zero (RZ), wavelength division multiplexing (WDM)

© 2016 I. Kurbatska et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Investigation on Maximum Available Reach for Different Modulation Formats in WDM-PON Systems

Published Online: Sep 24, 2016

Page range: 66 - 75

DOI: https://doi.org/10.1515/lpts-2016-0030

Keywordscarrier suppressed RZ (CSRZ), chromatic dispersion (CD) compensation, dispersion compensating fiber (DCF), duobinary (DB), modulation formats, non–return-to-zero (NRZ), NRZ differential phase shift keying (NRZ DPSK), return-to-zero (RZ), wavelength division multiplexing (WDM)

© 2016 I. Kurbatska et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
carrier suppressed RZ (CSRZ), chromatic dispersion (CD) compensation, dispersion compensating fiber (DCF), duobinary (DB), modulation formats, non–return-to-zero (NRZ), NRZ differential phase shift keying (NRZ DPSK), return-to-zero (RZ), wavelength division multiplexing (WDM)