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We demonstrate a simple self-polarization-stabilization technique for the long-reach RSOA-based WDM PON implemented with self-homodyne receivers. The effectiveness of this technique is confirmed in 2.5-Gb/s transmission experiments over 68-km long link partially composed of installed fibers.
This paper studies a frame-loss-free shunt system for broadband optical fiber transmission lines. This system switches transmitting optical pulses between duplicated optical fibers to avoid any interruption to communication. A high-resolution measurement technique is necessary to evaluate the optical fiber length. We applied an interferometry technique to adjust 15 km duplicated optical lines at a...
This paper proposes a method for the interferometry path length measurement of dualized optical transmission lines with a precision of 1 mm. The frame-loss-free line switching of in-service GE-PON is realized by continuously transferring signals.
We propose a simple and precise time distribution technique utilizing multipoint control protocol in EPON, and also experimentally demonstrate time transfer within plusmn100 ns and frequency synchronization within plusmn10-10.
We propose an EPON-based intranet system using newly developed ONU-embedded PCI cards. We confirm the practical feasibility of the system by clarifying the features and assessing the performance.
We have proposed and demonstrated a cost-effective 1:N OLT redundant protection architecture using an optical switch. We have confirmed its practical feasibility by validating automatic restoration of a broadcasting TV service in an EPON system.
We have analyzed performance of the PON system adopting token passing for achieving high downloading speed. A virtue of the token passing has been revealed by numerical calculations.
We have proposed a hybrid TDM-WDM EPON repeater aggregating 16 EPONs with single fiber, and have experimentally confirmed that an extended power budget of more than 20 dB is achievable with no performance degradation.
We experimentally investigate and demonstrate the effectiveness of the laser current dithering technique to mitigate the performance deterioration of analog video due to optical multiple reflections in the optical RF video distribution systems.
We present the fundamental performance of 64-ONU GE-PON system for providing the current triple play services, and demonstrate a 10 Gbps EPON system using burst-mode transceivers as a promising next-generation optical access system.
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