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   Articles with "vcsel" as a keyword



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Controllable spiking dynamics in cascaded VCSEL-SA photonic neurons

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recommendations! 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
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Optical Characterizations of VCSEL for Emission at 850 nm with Al Oxide Confinement Layers

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recommendations! 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
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Advanced VCSEL photonics: Multi-level PAM for spectral efficient 5G wireless transport network

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recommendations! 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

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recommendations! 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

Evolution of laser technology for automotive LiDAR, an industrial viewpoint

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recommendations! Published in 2024 at "Nature Communications"

DOI: 10.1038/s41467-024-51975-6

Abstract: From an industry perspective, the past decade has been a whirlwind of innovation in automotive light detection and ranging (LiDAR). Numerous laser technologies and system solutions have been fiercely competing for market share. However, recent… read more here.

Keywords: laser; automotive lidar; vcsel; laser technology ... See more keywords

A buried tunnel junction 940 nm VCSEL for achieving thermal diffusion characteristics

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recommendations! Published in 2025 at "AIP Advances"

DOI: 10.1063/5.0267467

Abstract: To investigate the performance degradation of a vertical-cavity surface-emitting laser (VCSEL) caused by self-heating effects, a 940 nm VCSEL with a buried tunnel junction (BTJ) and an aperture size of 10 μm was designed. The BTJ-type VCSEL… read more here.

Keywords: 940 vcsel; vcsel; buried tunnel; btj type ... 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

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recommendations! 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

Photonic assisted simultaneous microwave ASK and FSK signal generation based on gain switching in VCSEL

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recommendations! Published in 2025 at "Physica Scripta"

DOI: 10.1088/1402-4896/adc635

Abstract: A novel photonic scheme for the simultaneous generation of microwave amplitude shift keying (ASK) and frequency shift keying (FSK) signal based on gain switching in Vertical Cavity Surface Emitting Laser (VCSEL) is proposed, for the… read more here.

Keywords: fsk signal; based gain; vcsel; signal ... See more keywords

Experiment on VCSEL Composed of Special Structure DBRs in Integrated Optoelectronic Chip

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recommendations! 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

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recommendations! 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

A Scalable VCSEL-Array Optical Wireless Transmitter With Experimental Multi-Beam Prototype

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recommendations! Published in 2025 at "Journal of Lightwave Technology"

DOI: 10.1109/jlt.2025.3617131

Abstract: A 5 × 5 VCSEL array-based optical wireless communication multi-beam transmitter is designed and simulated. Each element of the array addresses a separate spatial attocell. A microlens-array based homogenizer achieves uniform coverage at the receiver… read more here.

Keywords: transmitter; multi; vcsel; optical wireless ... See more keywords