| Autor: |
Zhu, Jiannan, Pachnicke, Stephan, Lawin, Mirko, Mayne, Stephen, Wonfor, Adrian, Penty, Richard V., Cush, Rosie, Turner, Richard, Firth, Paul, Wale, Mike, White, Ian H., Elbers, Jorg-Peter |
| Zdroj: |
Journal of Optical Communications & Networking; Jan2015, Vol. 7 Issue 1, pA28-A36, 9p |
| Abstrakt: |
In this paper, a wavelength-division-multiplexing passive optical network (WDM-PON) system using small form-factor pluggable plus (SFP+) packaged full C-band tunable transceivers is demonstrated for the first time to our knowledge. Within the transceivers, a novel digital-supermode distributed Bragg reflector (DS-DBR) laser with a monolithically integrated Mach-Zehnder modulator is employed as the transmitter. A generic current control algorithm is used to drive the DS-DBR laser, which employs a laser current training sequence ensuring successful operation without the need for individual laser characterization. A pilot-tone-based feedback control loop is implemented using embedded hardware, which is able to lock the output wavelengths from three identical optical network units with less than ?3 GHz deviation from their assigned channels. Error-free transmission is achieved at a 10 GbE data rate. With the feedback control loop running continuously, the system shows a sensitivity of ?23 dBm for a bit error rate of 10?12. [ABSTRACT FROM PUBLISHER] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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