Celebrating the 20^ th anniversary of Optics Express, this paper reviews the evolution of
optical fiber communication systems, and through a look at the previous 20 years attempts to …

In order to overcome the capacity limitations of current lightwave systems based on the
single-mode optical fiber, massively parallel transmission in the spatial domain [space …

As 100-Gb/s coherent systems based on polarization-division multiplexed quadrature phase
shift keying (PDM-QPSK), with aggregate wavelength-division multiplexed (WDM) capacities …

Various types of optical fiber networks have been conceived, designed, and built to satisfy a
wide range of transmission capacities and speeds. The link lengths between users can vary …

Power consumption and the footprint of future network elements are expected to become the
main limiting factors for scaling the current architectures and approaches to capacities of …

This paper reviews technological options for the modulation formats for serial optical
transmission of 100Gb/s and beyond. In the first part an overview on various modulation …

We demonstrate high speed optical transmission systems using digital coherent detection at
all-electronically multiplexed symbol rates of 80 and 107 Gbaud. At 107 Gbaud, we …

In this paper, we propose and experimentally demonstrate the direct-detection optical
orthogonal-frequency-division-multiplexing superchannel (DDO-OFDM-S) and optical …

Polarization is one of the fundamental properties of optical waves. To cope with the
exponential growth of the Internet traffic, optical communications has advanced by leaps and …

POLMUX-QPSK modulation and coherent detection: The challenge of long-haul 100G
transmission Page 1 POLMUX-QPSK modulation and coherent detection: the challenge of …