The recently developed digital coherent receiver enables us to employ a variety of spectrally
efficient modulation formats such as-ary phase-shift keying and quadrature-amplitude …

Digital coherent transceivers have revolutionized optical fiber communications due to their
superior performance offered compared to intensity modulation and direct detection based …

In this paper, we provide an overview of recent progress on advanced digital signal
processing (DSP) techniques for high-capacity long-haul coherent optical fiber transmission …

Kerr nonlinearity imposes a limit on the achievable transmission performance and capacity
of optical fibre communication links. We show that the nonlinear distortions of a pair of phase …

Advances in High-Speed DACs, ADCs, and DSP for Optical Coherent Transceivers Page 1
JOURNAL OF LIGHTWAVE TECHNOLOGY, VOL. 32, NO. 4, FEBRUARY 15, 2014 629 …

We present a comparative analysis of three popular digital filters for chromatic dispersion
compensation: a time-domain least mean square adaptive filter, a time-domain fiber …

We propose a novel coherent optical orthogonal frequency-division multiplexing (CO-
OFDM) scheme with reduced guard interval (RGI) for high-speed high-spectral-efficiency …

We propose a novel frequency-domain adaptive equalizer in digital coherent optical
receivers, which can reduce computational complexity of the conventional time-domain …

The network traffic of data centers (DCs) has increased unprecedentedly with the rapid
development of digital economy. However, the data transmission faces security threats in the …

The advancement of digital coherent technologies has dramatically increased the system
capacity per single-core single-mode fiber to the point that we can now approach the …