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This paper proposes a WDM/TDM-PON architecture using a shared wavelength and a technique to aggregate narrowband traffic to reduce power consumption of the optical line terminal (OLT). The proposed WDM/TDM-PON enables efficient power saving in the presence of narrowband services, for example, those expected in smart communities and sensor networks.
Using low-temperature plasma-enhanced chemical vapor deposition, a silica-based arrayed-waveguide grating (AWG) filter has been monolithically integrated with germanium photodiodes on a silicon-based photonic platform. All the outputs of a 16-channel AWG with 200GHz spacing have been equipped with germanium photodiodes. All wavelength channels of the integrated device were confirmed to function as...
We propose a short wavelength region (1.1∼1.2 µm) WDM access system that employs a direct laser modulation technique, and where each wavelength is designed to optimize the pulse compression effect whose degree depends on SMF length and wavelength.
An 86 Gb/s/ch WDM transmission experiment is successfully demonstrated by using CSRZ-DQPSK format and extended L-band erbium-doped fiber amplifiers. 4.4 Tb/s capacity is achieved in just a single amplifier gain bandwidth without using polarization-multiplexing/interleaveing techniques.
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