Results 11 to 20 of about 3,504,310 (335)

Digital filters for coherent optical receivers.

open access: yesOptics Express, 2008
Digital filters underpin the performance of coherent optical receivers which exploit digital signal processing (DSP) to mitigate transmission impairments.
S. Savory
semanticscholar   +3 more sources

Stokes space modulation format classification based on non-iterative clustering algorithm for coherent optical receivers.

open access: yesOptics Express, 2017
A Stokes-space modulation format classification (MFC) technique is proposed for coherent optical receivers by using a non-iterative clustering algorithm.
Xiaofeng Mai   +6 more
semanticscholar   +3 more sources

Adaptive frequency-domain equalization in digital coherent optical receivers.

open access: yesOptics Express, 2011
We propose a novel frequency-domain adaptive equalizer in digital coherent optical receivers, which can reduce computational complexity of the conventional time-domain adaptive equalizer based on finite-impulse-response (FIR) filters.
Md. Saifuddin Faruk, K. Kikuchi
semanticscholar   +3 more sources

Clock recovering characteristics of adaptive finite-impulse-response filters in digital coherent optical receivers.

open access: yesOptics Express, 2011
We analyze the clock-recovery process based on adaptive finite-impulse-response (FIR) filtering in digital coherent optical receivers. When the clock frequency is synchronized between the transmitter and the receiver, only five taps in half-symbol-spaced
K. Kikuchi
semanticscholar   +3 more sources

Hybrid SPAD/PD Receiver for Reliable Free-Space Optical Communication

open access: yesIEEE Open Journal of the Communications Society, 2020
Free-space optical (FSO) communication provides wireless optical connectivity with high data rates and low-cost implementation; however, its performance is strongly influenced by the power attenuation due to the infrequent adverse weather conditions ...
Shenjie Huang, Majid Safari
doaj   +1 more source

A Roadmap for Gigabit to Terabit Optical Wireless Communications Receivers

open access: yesSensors, 2023
Silicon photomultipliers’ relatively large areas and ability to detect single photons make them attractive as receivers for optical wireless communications.
William Matthews, Steve Collins
doaj   +1 more source

Digital equalization of time-delay array receivers on coherent laser communications [PDF]

open access: yes, 2017
© [2017 Optical Society of America.]. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modifications of the ...
Belmonte Molina, Aniceto
core   +2 more sources

Demodulation and Detection Schemes for a Memoryless Optical WDM Channel [PDF]

open access: yes, 2018
It is well known that matched filtering and sampling (MFS) demodulation together with minimum Euclidean distance (MD) detection constitute the optimal receiver for the additive white Gaussian noise channel.
Agrell, Erik   +3 more
core   +3 more sources

High Q-factor Fabry-Perot Microresonator as an Alternative to Microdisk in Electro-Optical Modulator for Microwave-Photonic Receivers

open access: yesJournal of Telecommunications and Information Technology, 2013
In the last decade a new idea has been suggested for receivers of communication systems, namely, in microwave receivers’ architecture. Though superheterodyne radio-frequency receivers are best suited to the needs of contemporary wireless communication ...
Hovik V. Baghdasaryan   +2 more
doaj   +1 more source

Homodyne coherent detection of ASK and PSK signals performed by a subcarrier optical phase-locked loop [PDF]

open access: yes, 2005
Optical transmission systems based on homodyne coherent detection of 2-ASK and pilot carrier 2-PSK signals have been implemented. ASK data has been transmitted at 2.5 Gbps, while 2.5 Gbps and 10 Gbps PSK systems have been tested.
Camatel, S., Ferrero, Valter
core   +2 more sources

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