In this paper, key technologies, system proposals and future directions of next generation
passive optical networks stage 2 (NG-PON2) are reviewed. We first discuss the potential …

The pre-compensation on power fading effect of a colorless laser diode (CLD) carried 40-
Gbit/s 256-QAM OFDM transmission during 25-km is demonstrated. By offsetting the DC bias …

We demonstrate the feasibility of using a single microring resonator (MRR) as optical notch
filter for enabling the direct modulation of a reflective semiconductor optical amplifier (RSOA) …

Optical-carrier-distribution using reflective-semiconductor-optical-amplifier (RSOA)-based
colorless optical-networking-unit (ONU) is a promising candidate for the wavelength-division …

The feasibility of employing a birefringent fiber loop to enhance the performance of a directly
modulated reflective semiconductor optical amplifier is experimentally demonstrated for the …

We demonstrate the transmission of 10-Gb/s upstream signals over 20-km fiber using a 1.3-
GHz-bandwidth reflective semiconductor optical amplifier and a 40-ps delay interferometer …

We demonstrate 20-Gb/s upstream transmission in the wavelength-division-multiplexed
passive optical network based on reflective semiconductor optical amplifiers (RSOAs) and …

A colorless FPLD directly modulated by the preamplified 64-QAM-OFDM at 30 Gbit/s is
demonstrated with suppressed intensity noise and modulation distortion due to the …

We demonstrate through numerical simulations that a passive single-bus microring
resonator (MRR) employed as notch filter enables to directly modulate an ordinary …

We demonstrate a cost-effective, 10-Gb/s full-duplex wavelength-division-multiplexed
passive optical network over 20 km single-feeder fiber using a single light source per optical …