A review of advancements in DP-QPSK WDM systems
N Sharma, S Agrawal, V Kapoor - Optical and Quantum Electronics, 2022 - Springer
Dual polarization quadrature phase-shifting keying (DP-QPSK) wavelength division
multiplexing (WDM) systems are currently acting as the backbone of long-haul optical …
multiplexing (WDM) systems are currently acting as the backbone of long-haul optical …
End-to-end energy modeling and analysis of long-haul coherent transmission systems
In this paper, we model and analyze the end-to-end energy consumption of 100-Gbps
coherent long-haul transmission systems. In particular, we investigate the impact of forward …
coherent long-haul transmission systems. In particular, we investigate the impact of forward …
A 69.5 mW 20 GS/s 6b time-interleaved ADC with embedded time-to-digital calibration in 32 nm CMOS SOI
A 20 GS/s 6b time-interleaved ADC is implemented in 32 nm CMOS SOI with an embedded
time-to-digital converter to sense timing skew, and the randomness of process mismatch is …
time-to-digital converter to sense timing skew, and the randomness of process mismatch is …
A 56-GS/s 8-bit time-interleaved ADC with ENOB and BW enhancement techniques in 28-nm CMOS
K Sun, G Wang, Q Zhang… - IEEE Journal of Solid …, 2018 - ieeexplore.ieee.org
This paper presents a 31.5-GHz bandwidth (BW) 56-GS/s time-interleaved (TI) analog-to-
digital converter (ADC) with 5.7-b effective number of bits (ENOB) and 5.2-b ENOB up to …
digital converter (ADC) with 5.7-b effective number of bits (ENOB) and 5.2-b ENOB up to …
Optimal least-squares FIR digital filters for compensation of chromatic dispersion in digital coherent optical receivers
A Eghbali, H Johansson, O Gustafsson… - Journal of lightwave …, 2014 - ieeexplore.ieee.org
This paper proposes optimal finite-length impulse response (FIR) digital filters, in the least-
squares (LS) sense, for compensation of chromatic dispersion (CD) in digital coherent …
squares (LS) sense, for compensation of chromatic dispersion (CD) in digital coherent …
Secure communication via quantum illumination
JH Shapiro, Z Zhang, FNC Wong - Quantum information processing, 2014 - Springer
In the quantum illumination protocol for secure communication, Alice prepares entangled
signal and idler beams via spontaneous parametric downconversion. She sends the signal …
signal and idler beams via spontaneous parametric downconversion. She sends the signal …
Optical independent-sideband modulation for bandwidth-economic coherent transmission
We proposed and implemented a bandwidth-economic coherent optical transmission
technology using optical independent-sideband (O-ISB) modulation. Generation of two …
technology using optical independent-sideband (O-ISB) modulation. Generation of two …
Progress toward 100-G digital coherent pluggables using InP-based photonics
W Forysiak, DS Govan - Journal of lightwave technology, 2014 - ieeexplore.ieee.org
A new generation of high-capacity WDM systems with extremely robust performance has
been enabled by coherent transmission and digital signal processing. To facilitate …
been enabled by coherent transmission and digital signal processing. To facilitate …
Bio-inspired photonics–marine hatchetfish camouflage strategies for RF steganography
Camouflage is a strategy that animals utilize for concealment in their habitat, making
themselves invisible to their predators and preys. In RF systems, steganography or stealth …
themselves invisible to their predators and preys. In RF systems, steganography or stealth …
Periodic Signal Suppression in Position Domain Based on Repetitive Control
H Li, X Chen, B Xiang, X Wang - Electronics, 2022 - mdpi.com
In this paper, a periodic signal suppression method in position domain based on repetitive
control (RC) is proposed to realize high-precision speed control for the gimbal servo system …
control (RC) is proposed to realize high-precision speed control for the gimbal servo system …