Four-level pulse amplitude modulation (PAM-4) is widely regarded as the modulation format
of choice for the next generation of 400 gigabit Ethernet short-reach optical transceiver …

An optical conversion node scheme for direct detection of complex modulation format is
proposed to bridge long-haul transmissions and short-reach interconnects. A noisy 10G …

In this paper, a phase-sensitive amplifier (PSA)-based two dimensional (2D)-to-one
dimensional (1D) constellation reforming system is proposed and analyzed in detail. The …

Experimental Demonstration of Unequally Spaced PAM-4 Signal to Improve Receiver Sensitivity
for 50-Gbps PON with Power-Dependent Page 1 M2B.3.pdf OFC 2018 © OSA 2018 …

Non-uniform pulse amplitude modulation (PAM) utilizes unequal distances between its
modulation levels. In a multilevel PAM symbol, multiple bits are encoded. Due to the …

A 5\times60 Gb/s low-density parity-check (LDPC) coded WDM-PON using 8-level pulse
amplitude modulation (PAM8) signals with probabilistic shaping (PS) over 20-km standard …

In order to achieve higher power margin in the intensity-modulation and direct detection
(IM/DD) based time division multiplexed passive optical network (TDM-PON) system, at the …

In the current passive optical networks (PONs), we address the challenge of dealing with
asymmetric channel conditions and asymmetric data rates in order to meet the traffic …

High Optical Budget 25Gbit/s PON with PAM4 and Optically Amplified O Band Downstream
Transmission Page 1 High Optical Budget 25Gbit/s PON with PAM4 and Optically Amplified O …

Real-time Downstream 25Gbit/s PAM4 for High Speed TDM-PONs with both 25 and 12.5Gbit/s
ONUs Page 1 M1B.1.pdf OFC 2018 © OSA 2018 Real-time Downstream 25Gbit/s PAM4 for …