Controllable spiking dynamics in cascaded VCSEL-SA photonic neurons
Sign Up to like & getrecommendations! Published in 2019 at "Nonlinear Dynamics"
DOI: 10.1007/s11071-019-05339-1
Abstract: We propose a photonic neural system composed of three cascaded vertical-cavity surface-emitting lasers with an embedded saturable absorbers (VCSEL-SAs) and numerically investigate the encoding, propagation and storage characteristics of the spiking patterns in this system.… read more here.
Keywords: spiking patterns; spiking dynamics; system; vcsel ... See more keywords
Optical Characterizations of VCSEL for Emission at 850 nm with Al Oxide Confinement Layers
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Electronic Materials"
DOI: 10.1007/s11664-018-6221-x
Abstract: In-plane micro-photoluminescence (μ-PL) and micro-reflectivity measurements have been performed at room temperature by optical excitation perpendicular to the surface of two different structures: a complete vertical surface-emitting laser (VCSEL) structure and a VCSEL without the… read more here.
Keywords: characterizations vcsel; vcsel; optical characterizations; 850 oxide ... See more keywords
Advanced VCSEL photonics: Multi-level PAM for spectral efficient 5G wireless transport network
Sign Up to like & getrecommendations! Published in 2020 at "Optics Communications"
DOI: 10.1016/j.optcom.2020.125273
Abstract: Abstract Transitions to 5G are accompanied by rapid increase in data traffics, creating exciting opportunities for competitive edges in 5G spectral efficiency (SE) solutions. We present the first reported vertical cavity surface emitting laser (VCSEL)-based… read more here.
Keywords: network; vcsel; level; pam ... See more keywords
Application of VCSELs in next-generation telescope array networks such as the Square Kilometre array
Sign Up to like & getrecommendations! Published in 2018 at "Optics and Laser Technology"
DOI: 10.1016/j.optlastec.2018.02.041
Abstract: Abstract The distribution of precise and accurate optical clock signals across fibre links has a significant impact in various fields. Many applications require the transfer of stable and precise timing signals from a single central… read more here.
Keywords: array; transmission; vcsel; application ... See more keywords
A high capacity data centre network: simultaneous 4-PAM data at 20 Gbps and 2 GHz phase modulated RF clock signal over a single VCSEL carrier
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Modern Optics"
DOI: 10.1080/09500340.2017.1357855
Abstract: Abstract Optical fibre communication technologies are playing important roles in data centre networks (DCNs). Techniques for increasing capacity and flexibility for the inter-rack/pod communications in data centres have drawn remarkable attention in recent years. In… read more here.
Keywords: phase; vcsel; vcsel carrier; signal ... See more keywords
Experiment on VCSEL Composed of Special Structure DBRs in Integrated Optoelectronic Chip
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2019.2957408
Abstract: In this paper, we have demonstrated the feasibility of the proposed integrated chip by the experiments on its laser part of Vertical-cavity Surface-emitting Laser (VCSEL). The success of the integrated chip depends on the special… read more here.
Keywords: vcsel; integrated chip; dbrs; cavity ... See more keywords
Noise in VCSEL-Based Links: Direct Measurement of VCSEL Transverse Mode Correlations and Implications for MPN and RIN
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2016.2614382
Abstract: The correlation properties of vertical-cavity surface-emitting laser (VCSEL) transverse modes determine the noise impairments of VCSEL-based high-speed MMF links. Relative intensity noise and mode partition noise originate from the distinct and aggregate fluctuations of the… read more here.
Keywords: direct measurement; vcsel based; vcsel; vcsel transverse ... See more keywords
Advanced VCSEL Technology: Self-Heating and Intrinsic Modulation Response
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Journal of Quantum Electronics"
DOI: 10.1109/jqe.2018.2826718
Abstract: Experimental data and modeling results are presented for a new type of vertical-cavity surface-emitting laser (VCSEL) that solves numerous problems with oxide VCSELs. In addition, the new oxide-free VCSEL can be scaled to small size.… read more here.
Keywords: speed; intrinsic modulation; vcsel; self heating ... See more keywords
A Scalable 32–56 Gb/s 0.56–1.28 pJ/b Voltage-Mode VCSEL-Based Optical Transmitter in 28-nm CMOS
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Journal of Solid-State Circuits"
DOI: 10.1109/jssc.2021.3124289
Abstract: An optical transmitter (TX) data path is demonstrated in 28-nm CMOS which drives an 850-nm vertical-cavity surface-emitting laser (VCSEL) up to 56 Gb/s non-return-to-zero (NRZ). A dc-coupled single-ended voltage-mode driver employs area- and energy-efficient equalization… read more here.
Keywords: tex math; inline formula; vcsel; optical transmitter ... See more keywords
A 56-Gb/s PAM-4 Transmitter/Receiver Chipset With Nonlinear FFE for VCSEL-Based Optical Links in 40-nm CMOS
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Journal of Solid-State Circuits"
DOI: 10.1109/jssc.2022.3192711
Abstract: This article presents a 56-Gb/s four-level pulse amplitude modulation (PAM-4) transmitter/receiver (TX/RX) chipset for optical link. The optical transmitter (TX) adopts a digital-to-analog converter (DAC)-based structure with a two-tap nonlinear PAM-4 feed-forward equalizer (FFE) implemented… read more here.
Keywords: pam transmitter; receiver; transmitter; vcsel ... See more keywords
Injection Locking and Polarization Switching Bistability in a 1550 nm VCSEL Subject to Parallel Optical Injection
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Journal of Selected Topics in Quantum Electronics"
DOI: 10.1109/jstqe.2017.2690840
Abstract: We present experimental and theoretical results of bistable polarization switching in a single transverse mode 1550 nm vertical-cavity surface-emitting laser (VCSEL) subject to parallel optical injection. We focus our analysis on the bistability induced by power… read more here.
Keywords: mode; vcsel; polarization; injection ... See more keywords