Impact of seed source power on dispersion-limited maximum reach in WDM-PONs using broadband light source seeded optical sources | Zendy

Chul Han Kim | Zendy

Open Access

Impact of seed source power on dispersion-limited maximum reach in WDM-PONs using broadband light source seeded optical sources

Author(s) -

Chul Han Kim

Publication year - 2012

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.20.003473

Subject(s) - optics , dispersion (optics) , wavelength division multiplexing , optical amplifier , broadband , materials science , dispersion shifted fiber , polarization mode dispersion , optical fiber , laser , physics , fiber optic sensor , wavelength

The maximum reach in a WDM-PON using a broadband light source (BLS) seeded optical source has been experimentally evaluated by taking into account both effects of dispersion-induced pulse broadening and excess intensity noise (EIN) increase. In order to investigate the impact of BLS seed source power on the dispersion-limited performance, the system's performance has been measured and compared as a function of the spectrum-sliced BLS seed power into a reflective semiconductor optical amplifier (RSOA). From the results, we confirmed that the maximum reach in a RSOA based WDM-PON was mainly degraded by the dispersion-induced EIN increase. Therefore, by mitigating the effect of dispersion-induced EIN increase with a high seed power into a RSOA, the maximum reach in the WDM-PON using a BLS seeded RSOA source could be achieved to be ~60 km of single-mode fiber at the spectrum-sliced BLS seed power of >-10 dBm and a 1.25 Gb/s signal without using any dispersion-compensating techniques.

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