10-Gb/s Long-Reach PON System With Low-Complexity Dispersion-Managed Coherent Receiver
| Autor: | Marco Presi, Ernesto Ciaramella, M. Artiglia, Raffaele Corsini |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2015 |
| Předmět: |
lcsh:Applied optics. Photonics
Local oscillator Optical communication receiver sensitivity G.652 fiber bit rate 10 Gbit/s Coherent communications Optical transmitters Fiber optics and optical communications electrical filter bandwidth lcsh:QC350-467 chirp-managed� approach Passive optical networks Physics Distributed feedback laser optical pulse shaping Bandwidth (signal processing) bit error rate Atomic and Molecular Physics and Optics Optical sensors chirp modulation error statistics lcsh:Optics. Light digital signal processing Passive optical network distributed feedback laser distance 130 km Optics DFB chirp Chirp Optical receivers Optical fibers Electrical and Electronic Engineering optical information processing Optical Communications distributed feedback lasers optical receivers passive optical networks BER electrical filtering local oscillator detuning long-reach PON system low complexity dispersion-managed coherent receiver optical signal processing optical spectral reshaping fiber optics and optical communications optical communications business.industry lcsh:TA1501-1820 Intermediate frequency Bit error rate business |
| Zdroj: | IEEE Photonics Journal, Vol 7, Iss 5, Pp 1-8 (2015) |
| ISSN: | 1943-0655 |
| Popis: | We demonstrate 10-Gb/s transmission over more than 130 km of G.652 fiber using a simple directly modulated distributed feedback (DFB) laser and a new “chirp-managed” approach based on a low-complexity coherent receiver. The “chirp-managed” effect, which has been obtained in the past by optical spectral reshaping, is conveniently achieved here by means of simple electrical filtering of the received signal at the intermediate frequency. Due to coherent detection, the receiver sensitivity was -38 dBm at bit error rate (BER) 1/4 1.8 χ 10-3. No colored filters and no dispersion compensation (optical or digital signal processing (DSP)-based) were used at the receiver side. We show that the coherent system presented here, based on off-the-shelf components, is robust against variations of DFB chirp, local oscillator detuning, and electrical filter bandwidth over ranges wide enough to guarantee a simple and cost-effective implementation for 10-Gb/s long-reach passive optical network applications. |
| Databáze: | OpenAIRE |
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