Vector mode based optical direct detection orthogonal frequency division multiplexing transmission in short-reach optical link
Sign Up to like & getrecommendations! Published in 2019 at "Frontiers of Optoelectronics"
DOI: 10.1007/s12200-018-0836-7
Abstract: As one solution to implement the large-capacity space division multiplexing (SDM) transmission systems, the mode division multiplexing (MDM) has gained much attention recently. The vector mode (VM), which is the eigenmode of the optical fiber,… read more here.
Keywords: transmission; division multiplexing; short reach; direct detection ... See more keywords
DSP for High-Speed Short-Reach IM/DD Systems Using PAM
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2020.3020649
Abstract: Intensity modulation and direct detection (IM/DD) together with pulse amplitude modulation (PAM) is a cost-efficient solution for intra-datacenter links. However, sophisticated digital signal processing (DSP) is inevitable to reach the demanded high data rates for… read more here.
Keywords: reach; dsp; modulation; dsp high ... See more keywords
Wavelength Reuse for Short-Reach Optical Access Network Utilizing MDM
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2017.2658607
Abstract: Wavelength reuse has been proposed as an effective solution to realize colorless optical network units (ONUs) for next-generation passive optical network with simplified maintenance and reduced cost. In this paper, we propose a wavelength reused… read more here.
Keywords: mode; network; wavelength reuse; transmission ... See more keywords
Spectral Efficiency Improved 2D-PAM8 Trellis Coded Modulation for Short Reach Optical System
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2017.2722540
Abstract: This paper proposes and demonstrates a 31.25 Gbps two-dimensional eight level pulse amplitude modulation with trellis coded modulation (2D-PAM8-TCM) transmission in intensity modulation and direct detection based short reach system. In this system, the commercial directly… read more here.
Keywords: modulation; system; trellis coded; coded modulation ... See more keywords
A Probabilistically Shaped CAP Modulation Method Employing Multiple Subsets Mapping With Symbol Classification for a Short Reach Communication
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2019.2899882
Abstract: This paper proposes a novel probabilistically shaped carrierless amplitude/phase (CAP) modulation method employing multiple subsets mapping with symbol classification for a short reach communication. This method can classify the original data into multiple subsets of… read more here.
Keywords: cap; multiple subsets; cap modulation; reach communication ... See more keywords
A 0.297-pJ/Bit 50.4-Gb/s/Wire Inverter-Based Short-Reach Simultaneous Bi-Directional Transceiver for Die-to-Die Interface in 5-nm CMOS
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Journal of Solid-State Circuits"
DOI: 10.1109/jssc.2022.3232024
Abstract: This article presents a clock-forwarded, inverter-based short-reach simultaneous bi-directional (ISR-SBD) physical layer (PHY) targeted for die-to-die communication over silicon interposers or similar high-density interconnect. Short-reach links of this type are increasingly important to support larger… read more here.
Keywords: reach simultaneous; short reach; simultaneous directional; inverter based ... See more keywords
Wiener Filter for Short-Reach Fiber-Optic Links
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Communications Letters"
DOI: 10.1109/lcomm.2020.3006921
Abstract: Analytic expressions are derived for the Wiener filter (WF), also known as the linear minimum mean square error (LMMSE) estimator, for an intensity-modulation/direct-detection (IM/DD) short-haul fiber-optic communication system. The link is purely dispersive and the… read more here.
Keywords: wiener filter; optic links; short reach; fiber optic ... See more keywords
Phase-sensitive amplifier-based optical conversion for direct detection of complex modulation format to bridge long-haul transmissions and short-reach interconnects.
Sign Up to like & getrecommendations! Published in 2020 at "Optics express"
DOI: 10.1364/oe.380482
Abstract: An optical conversion node scheme for direct detection of complex modulation format is proposed to bridge long-haul transmissions and short-reach interconnects. A noisy 10G Baud quadrature phase shift keying signal is converted into a 10G… read more here.
Keywords: modulation; haul transmissions; reach interconnects; long haul ... See more keywords
Energy consumption modeling and analysis for short-reach optical transmissions using irregular LDPC codes.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.472564
Abstract: As the transmission rate of data center (DC) related short-reach optical transmissions quickly increases to keep up with internet services' data demand pace, advanced FEC technology starts to establish its key role in short reach… read more here.
Keywords: energy consumption; energy; ldpc codes; short reach ... See more keywords
Cascade recurrent neural network-assisted nonlinear equalization for a 100 Gb/s PAM4 short-reach direct detection system.
Sign Up to like & getrecommendations! Published in 2020 at "Optics letters"
DOI: 10.1364/ol.394048
Abstract: We propose a novel, to the best of our knowledge, cascade recurrent neural network (RNN)-based nonlinear equalizer for a pulse amplitude modulation (PAM)4 short-reach direct detection system. A 100 Gb/s PAM4 link is experimentally demonstrated… read more here.
Keywords: detection; recurrent neural; neural network; cascade recurrent ... See more keywords