Wavelength Sharing and Reuse in Dual-Band WDM-PON Systems Employing WRC-FPLDs

In this letter, for the first time, we propose a dual-band wavelength division multiplexed passive optical network (WDM-PON) architecture that enables efficient nonoverlapping wavelength reuse and mitigates bidirectional transmission impairments. Weak-resonant-cavity Fabry-Perot laser diodes (WRC-FP...

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Veröffentlicht in:	IEEE photonics technology letters 2015-09, Vol.27 (17), p.1821-1824
Hauptverfasser:	Mu Xu, Yu-Chieh Chi, Jing Wang, Lin Cheng, Feng Lu, Khalil, Md Ibrahim, Cheng-Ting Tsai, Gong-Ru Lin, Gee-Kung Chang
Format:	Artikel
Sprache:	eng
Schlagworte:	Dual band Fabry-Perot laser diode Gain Modulation Multiplexing Optical attenuators Optical communication Optical fibers Optical transmitters Passive optical networks Reuse Spectra Wavelength division Wavelength division multiplexed passive optical network (WDM-PON) Wavelength division multiplexing Wavelengths
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Zusammenfassung:	In this letter, for the first time, we propose a dual-band wavelength division multiplexed passive optical network (WDM-PON) architecture that enables efficient nonoverlapping wavelength reuse and mitigates bidirectional transmission impairments. Weak-resonant-cavity Fabry-Perot laser diodes (WRC-FPLDs) with gain spectra across C-band and L-band are implemented to achieve desirable colorless, uncooled, and inexpensive optical network units. The side mode suppression ratio and modulation performance of the injection-locked WRC-FPLDs with operational wavelengths from 1550 to 1580 nm are studied. The 25-km transmission experiments have been demonstrated, where the injection-locked WRC-FPLDs are directly modulated with up to 5-Gb/s on-off-keying (OOK) upstream signals. Improved signal quality with bit-error rates
ISSN:	1041-1135 1941-0174
DOI:	10.1109/LPT.2015.2443716