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A 32 Gb/s PAM-4 Optical Transceiver With Active Back Termination in 40 nm CMOS Technology
2021
IEEE Open Journal of Circuits and Systems
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This article describes the design of a 32 Gb/s four-level pulse amplitude modulation (PAM-4) optical transceiver in a 40 nm CMOS technology. ...
The power consumptions are about 146.8 mW and 128.8 mW respectively for the PAM-4 transmitter and receiver. ...
This article describes the design of a 32 Gb/s optical PAM-4 transceiver. ...
doi:10.1109/ojcas.2020.3036531
fatcat:t3fwt3rsdzgv3nr6jltt34w2uu
Modulation Schemes for Single-Laser 100 Gb/s Links: Single-Carrier
2015
Journal of Lightwave Technology
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We evaluate single-carrier modulation techniques for 100 Gb/s single-laser data center interconnects. ...
The performance is evaluated in terms of the required average optical power to achieve a target bit-error ratio for a given modulator bandwidth. ...
The general idea is to transmit 100 Gb/s per wavelength and use parallel optics to enable 400 Gb/s and possibly 1.6 Tb/s links. ...
doi:10.1109/jlt.2015.2470523
fatcat:rb2ifcj62ndk7gwmkyyo7tblmy
Up to 168-Gb/s PAM-4 direct detection transmission with silicon travelling wave Mach-Zehnder modulator
[article]
2018
arXiv
pre-print
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Based on a silicon travelling wave Mach-Zehnder modulator, we demonstrate record 168Gb/s (84Gbaud) and 160Gb/s (80Gbaud) PAM-4 direct detection transmission over 1km and 2km SSMF, respectively, with bit ...
Therefore, the net bit rate of a single channel is 129.2(=80×2/1.2/(64×2+128×4+20000) ×20000) Gb/s with consideration of both frame redundancy and the 20% overhead HD-FEC. ...
Fig. 5 . 5 (a) Measured optical spectra of Nyquist PAM-4 signals at BTB. (b) Measured received power for 80Gbaud PAM-4 signal at BTB, after 1km and 2km SSMF transmission. ...
arXiv:1812.11081v1
fatcat:pcfkfxgzzfchrhefjb32mg3vly
10-Gb/s Transmission Over 10-m SI-POF With ${M}$ -PAM and Multilayer Perceptron Equalizer
2018
IEEE Photonics Technology Letters
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Daum, POF Handbook: 215
Optical Short Range Transmission Systems. Springer, 2008.
AQ:2
10-Gb/s Transmission Over 10-m SI-POF With
M-PAM and Multilayer Perceptron Equalizer
Isaac N. ...
Using this equalizer 5 with 32-PAM, a data rate of 10 Gb/s is achieved over the 6 10-m SI-POF at a bit error rate of 10 −2 , which is below the 7 20% forward error correction limit. 8 Index Terms-Polymer ...
doi:10.1109/lpt.2018.2825146
fatcat:gwxl6vpyy5e63oinnegltnh36q
Modulation Schemes for Single-Laser 100 Gb/s Links: Multicarrier
2015
Journal of Lightwave Technology
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Performance is quantified in terms of the required average optical power to achieve a target bit-error probability for a given modulator bandwidth. ...
We first present a semi-analytical performance and complexity evaluation of these OFDM methods including the effects of linear filtering, clipping, and quantization. ...
Fig. 4 shows the optical power penalty for DC-and ACO-OFDM with (a) 16-QAM and (b) 64-QAM for 64
Fig. 4 . 4 Fig. 4. ...
doi:10.1109/jlt.2015.2480700
fatcat:tqljsmubzbdxlkhg2b7qrx4kzu
40 Gb/s PAM-4 Transmitter IC for Long-Wavelength VCSEL Links
2015
IEEE Photonics Technology Letters
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Bit-error rate experiments at 28 Gb/s and 40 Gb/s up to 1 km of SMF reveal that four-level pulse amplitude modulation (PAM-4) can compete with non-returnto-zero (NRZ) in terms of energy efficiency and ...
Conventional 850 nm multi-mode fiber (MMF) links deployed in warehouse-scale data centers will be limited by modal dispersion beyond 10 Gb/s when covering distances up to 1 km. ...
Viaene from imec for wire bonding the transmitter board and Sumitomo Electric Device Innovations for the OE 40 G receiver module. ...
doi:10.1109/lpt.2014.2372041
fatcat:3xtuisxowbclfjykmwhqtuivv4
Highly sensitive 10 Gb/s PAM-4 optical receiver circuit for three-dimensional optoelectronic integration
2016
The Journal of Engineering
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On the basis of measurement results and using the expected value of the photodetector responsivity of 1 A/W, the PAM-4 circuit consumes 145 mW, sensitivity is −21.8 dBm at 10 Gb/s, and at a bit error rate ...
This study presents a 0.35 µm silicon germanium bipolar complementary metal-oxide-semiconductor 10 Gb/s receiver circuit optimised for photonic-electronic three-dimensional integration. ...
The PAM-4 sensitivity at 10 Gb/s with BER = 10 -9 is -21.8 dBm, under the assumption of an infinite extinction ratio and a photodetector responsivity of 1 A/W. ...
doi:10.1049/joe.2016.0242
fatcat:xnqb5psklrcvfligzbvnuodnme
First Real-Time Demonstration of 128 Gb/s PAM-4 Transmission Over 1 km SMF Using a Si Photonics Transmitter
2018
2018 European Conference on Optical Communication (ECOC)
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Fig. 2: (a) Experiment setup (inset: block diagram of the BiCMOS transmitter IC and the receiver IC); (b) Implementation of the real-time PAM-4 receiver with automatic Gray code demapper. ...
PAM-4 over 1 km fiber without requiring any DSP or DAC/ADC. ...
Acknowledgements This work was supported by the imec IAP on Optical I/O for the GeSi EAM, the UGent IOF for the Tx/Rx ICs, the H2020 projects TERABOARD and PICTURE, the UGent BOF and the FWO. ...
doi:10.1109/ecoc.2018.8535300
fatcat:it2e3romxjgcnhcwfgzucq3dty
Improved Power Budget of 112 Gb/s/$\lambda$ Intra-Datacentre Links using a Split-Carrier Transmitter Architecture
2019
IEEE Photonics Journal
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Simulation and experimental results are presented for both Nyquist-shaped 56 GBd PAM-4 and N-SCM 28 GBd 16-ary QAM (16-QAM), quantifying the SCT performance at 112 Gb/s in terms of received optical power ...
The results are compared against a conventional transmitter modulated with Nyquist-shaped 56 GBd PAM-4. ...
This provides 400 Gb/s with 12% overhead. ...
doi:10.1109/jphot.2019.2930325
fatcat:cqekpz27tjhfrihiloggysctmm
100-Gb/s Hybrid Multiband CAP/QAM Signal Transmission Over a Single Wavelength
2015
Journal of Lightwave Technology
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Compared with the case of using a standard non phase compensated CAP receiver, the use of the modified QAM-16/32/64 receiver significantly lowers system timing jitter sensitivity in the multiband as well ...
For practical jitter conditions of ±6ps, three HMB CAP/QAM systems with optimum band counts are identified to be capable of supporting single laser 100 Gb/s transmission over 15 km SMF. ...
For example, it has been shown that 100 Gb/s optical OFDM and CAP using a single DML with less than 20 GHz bandwidth can successfully support transmission over 2 km SMF whilst PAM systems cannot [4] . ...
doi:10.1109/jlt.2014.2387352
fatcat:roiy5spxjrb3ro5elbfb3cagoe
A Low-Voltage 35-GHz Silicon Photonic Modulator-Enabled 112-Gb/s Transmission System
2015
IEEE Photonics Journal
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Digital signal processing is applied at the transmitter and receiver. 56-GBaud PAM-4 and 64-Gb/s PAM-2 transmission is demonstrated below a pre-FEC hard decision threshold of 4:4 Â 10 À3 . ...
We report a successful 112-Gb/s transmission of four-level pulse amplitude modulation over 5 km of SMF using 2.2 V pÀp drive voltage. ...
(a) PAM-2 at 30 Gb/s, (b) PAM-2 at 50 Gb/s, (c) PAM-4 at 60 Gb/s, (d) PAM-4 at 80 Gb/s, (e) PAM-4 at 100 Gb/s, and (f) PAM-4 at 112 Gb/s. ...
doi:10.1109/jphot.2015.2426875
fatcat:b7hcvnwpmfd3zleftei566vise
Radio-Over-Fiber 16-QAM, 100-km Transmission at 5 Gb/s Using DSB-SC Transmitter and Remote Heterodyne Detection
2008
Journal of Lightwave Technology
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system using a 16-QAM signal at 5 Gb/s and 18 GHz, with a transmission distance of 100 km between a mobile service center and a base station. ...
By using a double-sideband suppressed carrier (DSB-SC) optical transmitter and a remote self-heterodyned (RSH) detection method, we experimentally and analytically proved the feasibility of a radio-over-fiber ...
The 4-PAM signal was then amplified and filtered by a linear-phase low-pass-filter (LPF) with a 3 dB-bandwidth of 930 MHz. The measured eye diagram at the LPF output is shown in Fig. 5 . ...
doi:10.1109/jlt.2007.912526
fatcat:l7eta62unfhzria5mmptvro2ve
Simplified Soft-Output Direct Detection FTN Algorithm for 56-Gb/s Optical PAM-4 System Using 10G-Class Optics
2020
IEEE Access
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The feasibility of the proposed algorithm is verified in a C-band 56-Gb/s 4-ary pulse amplitude modulation (PAM-4) system using 10G-class optics, and the 3-dB system bandwidth is only 5.5 GHz. ...
DD-FTN cannot achieve the bit error rate (BER) threshold of 10 −3 , while the simplified SO-DD-FTN can achieve the BER threshold at received optical power of −14.5 dBm. ...
of the 56-Gb/s optical PAM-4 system for BTB and 20-km SSMF. ...
doi:10.1109/access.2020.2999346
fatcat:lxlfjvguezgp5admhfvqr3ojka
56 Gb/s multi-band CAP for data center interconnects up to an 80 km SMF
2016
Optics Letters
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Annika Dochhan and Aymen Fakhfakh from ADVA Optical Networking SE, Germany, for useful discussions and suggestions. ...
/s [2] or 4 channels of 100 Gb/s [3] [4] [5] [6] each. ...
Demonstrations have been conducted to show that 400-Gb/s DMT on 8 channels [10] can successfully support 82 km of SMF transmissions and a single channel 112-Gb/s PAM-4 signal [12] transmission was ...
doi:10.1364/ol.41.004122
pmid:27607988
fatcat:yxo2myyn6vcxhoo4j47aw5ipae
Experimental Investigation of 400 Gb/s Data Center Interconnect Using Unamplified High-Baud-Rate and High-Order QAM Single-Carrier Signal
2019
Applied Sciences
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We show that the 64 GBd 16-QAM, and 64-QAM signals can potentially enable 400 Gb/s and 600 Gb/s DCI application for 40 km and beyond of unamplified fiber link. ...
We then discuss different perspectives on the 400G pluggable module, including form factor, architecture, digital signal processing (DSP), and module power consumption, following 400G pluggable optics ...
DSP: digital signal processing, TROSA: transmitter and receiver optical subassembly, Tx: transmitter, Rx: receiver.
Figure 4 . 4 Experimental setup. ...
doi:10.3390/app9122455
fatcat:khs3ie2sbvdidi74stvbks5zwu
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