The design of application-specific integrated circuits (ASIC) is at the core of modern ultra-
high-speed transponders employing advanced digital signal processing (DSP) algorithms …

Next-generation coherent optical systems are geared to employ high-speed digital-to-
analog converters (DAC), allowing for digital preprocessing of the signal and flexible optical …

The demand for increased bandwidth is ever present. Coherent technology coupled with
advanced modulation formats and digital signal processing is a key enabler for optical …

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

We demonstrate an optical transmitter based on dynamic optical arbitrary waveform
generation (OAWG) which is capable of creating high-bandwidth (THz) data waveforms in …

We present a low-complexity fully pilot-based digital signal processing (DSP) chain
designed for high spectral efficiency optical transmission systems. We study the …

We review the most recent advanced concepts and methods employed in the cutting-edge
spectrally efficient coherent fiber-optic transoceanic transmission systems, such as …

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 …

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

This tutorial discusses the design and ASIC implementation of coherent optical transceivers.
Algorithmic and architectural options and tradeoffs between performance and …