A digital communication receiver generates soft decision val ues at the output of a maximum
likelihood sequence estimator module. The values are fed into a following forward error …

This paper provides a study of adaptive phase recovery in quadrature amplitude modulation
(QAM) based communication systems. Here, we modify the traditional fourth-power phase …

Performance of Lasers with Excess Low-Frequency FM- Noise Profiles in Digital Coherent
Optical Systems Page 1 W4B.3.pdf OFC 2019 © OSA 2019 Performance of Lasers with …

Abstract Coherent Optical Orthogonal Frequency Division Multiplexing (CO-OFDM) system
with Pilot-free phase noise compensator was introduced in order to accomplish the need of …

Bi-harmonic decomposition-based maximum loglikelihood estimator for carrier phase
estimation of coherent optical M-QAM Page 1 Tu3K.3.pdf OFC 2016 © OSA 2016 Bi-harmonic …

Modern long-haul optical communication systems transmit data on all available single-mode
fiber dimensions, time, polarization, wavelength, phase and amplitude. Powerful digital …

This paper presents the impact of signal linewidth on photonic THz wireless systems using
phase estimation (PE) algorithms at the receiver. The penalty associated with signal …

Modern fiber-optic communication systems combine state-of-the-art components with
powerful digital signal processing (DSP) to maximize the system spectral efficiency (SE) …

To combine the merits of fiber communication and wireless communication, photonics-aided
terahertz-wave (THz-wave) technology has become a popular technology in recent years. In …

Digital coherent receivers stand today as a promising technology for the next generation of
high-capacity optical systems. Coherent systems enable the use of multilevel modulation …