[HTML][HTML] Recent progress on high-speed optical transmission

J Yu, J Zhang - Digital communications and networks, 2016 - Elsevier
The recently reported high spectral efficiency (SE) and high-baud-rate signal transmission
are all based on digital coherent optical communications and digital signal processing …

[PDF][PDF] Advances in high-speed DACs, ADCs, and DSP for optical coherent transceivers

C Laperle, M O'Sullivan - Journal of lightwave technology, 2014 - researchgate.net
Advances in High-Speed DACs, ADCs, and DSP for Optical Coherent Transceivers Page 1
JOURNAL OF LIGHTWAVE TECHNOLOGY, VOL. 32, NO. 4, FEBRUARY 15, 2014 629 …

A 56GS/s 6b DAC in 65nm CMOS with 256× 6b memory

YM Greshishchev, D Pollex, SC Wang… - … Solid-State Circuits …, 2011 - ieeexplore.ieee.org
This paper demonstrates more than one order of magnitude improvement in 6b CMOS DAC
design with a test circuit operating at 56Gs/s, achieving SFDR>; 30dBc and EI\IOB>; 4.3 b up …

Time-domain digital pre-equalization for band-limited signals based on receiver-side adaptive equalizers

J Zhang, J Yu, N Chi, HC Chien - Optics express, 2014 - opg.optica.org
We theoretically and experimentally investigate a time-domain digital pre-equalization
(DPEQ) scheme for bandwidth-limited optical coherent communication systems, which is …

6144-Gb/s Nyquist-WDM PDM-64QAM Generation and Transmission on a 12-GHz WDM Grid Equipped With Nyquist-Band Pre-Equalization

Z Dong, X Li, J Yu, N Chi - Journal of lightwave technology, 2012 - ieeexplore.ieee.org
The Nyquist wavelength-division-multiplexing technique (N-WDM) enables a solution to
achieve high spectral efficiency (SE) in long-haul transmission systems. Compared to …

6128-Gb/s Nyquist-WDM PDM-16QAM Generation and Transmission Over 1200-km SMF-28 With SE of 7.47 b/s/Hz

Z Dong, X Li, J Yu, N Chi - Journal of lightwave technology, 2012 - ieeexplore.ieee.org
The Nyquist wavelength-division multiplexing technique enable a solution to achieve high
spectral efficiency in long-haul transmission system. Compare to polarization division …

Electronic pre-compensation for a 10.7-Gb/s system employing a directly modulated laser

AS Karar, JC Cartledge, J Harley… - Journal of lightwave …, 2011 - ieeexplore.ieee.org
We investigate electronic pre-compensation for a 10.7-Gb/s system employing a directly
modulated laser (DML). Initially, the nonlinear distortion resulting from the direct modulation …

A 60-GS/s 6-bit DAC in 0.5-µm InP HBT Technology for Optical Communications Systems

M Nagatani, H Nosaka, K Sano… - 2011 IEEE …, 2011 - ieeexplore.ieee.org
This paper presents a 60-GS/s 6-bit digital-to-analog converter (DAC) for beyond-100-
Gb/s/ch optical communications systems. The DAC was designed and fabricated using our …

Ultrahigh-speed low-power DACs using InP HBTs for beyond-100-Gb/s/ch optical transmission systems

M Nagatani, H Nosaka, S Yamanaka… - IEEE journal of solid …, 2011 - ieeexplore.ieee.org
This paper presents the circuit designs and measured performance of two ultrahigh-speed
low-power 6-b digital-to-analog converters (DACs) using InP-based heterojunction bipolar …

Joint digital preequalization for spectrally efficient super Nyquist-WDM signal

Z Dong, HC Chien, Z Jia, X Li - Journal of lightwave technology, 2013 - opg.optica.org
We propose a joint digital preequalization scheme for a Nyquist wavelength division
multiplexing (N-WDM) system to compensate for the intersymbol interference caused by a …