This paper reviews the foundations of the Kramers–Kronig (KK) receiver, a recently
proposed scheme designed to reconstruct a complex-valued signal from the measurement …

Programmable photonic integrated circuits (PICs) are dense assemblies of tunable elements
that provide flexible reconfigurability to enable different functions to be selected; however …

Coherent detection empowers optical receivers the capability of recovering the optical field
propagating through the fiber. Field recovery not only increases the degree of freedom for …

To overcome power fading induced by chromatic dispersion in optical fiber communications,
optical field recovery is a promising solution for direct detection short-reach applications …

To cope with the various nonlinear signal distortions in intensity-modulation/direct-detection
transmission systems, a theoretical analysis on the Volterra nonlinear equalizer (VNLE) is …

Programmable photonic integrated circuits (PICs), offering diverse signal processing
functions within a single chip, are promising solutions for applications ranging from optical …

Supporting the ever-increasing data-center-inter-connect traffic in a cost-effective manner is
a great challenge, which requires innovative transmission and digital signal processing …

The Kramers-Kronig (KK) receiver is capable of retrieving the phase information of optical
single-sideband (SSB) signal from the optical intensity when the optical signal satisfies the …

To meet the upcoming 6G communications challenges, terahertz-wave (THz-wave) wireless
data transmission over 100 Gb/s is urgently needed in the short term. However, advanced …

The Kramers-Kronig (KK) receiver has recently drawn a great deal of attention due to its
capability of retrieving the phase information from the directly-detected intensity waveforms …