Results 71 to 80 of about 13,663 (209)

Nonlinear dynamics induced by parallel and orthogonal optical injection in 1550 nm Vertical-Cavity Surface-Emitting Lasers (VCSELs) [PDF]

, 2010
We report a first experimental study of the nonlinear dynamics appearing in a 1550 nm single-mode VCSEL subject to parallel and to orthogonal optical injection.
Ana Quirce, Angel Valle, Antonio Hurtado, Buesa, Chrostowski, Gatare, Gatare, Gu, Hang, Homayounfar, Hong, Hurtado, Hurtado, Jeong, Koyama, Lang, Luis Pesquera, Meng, Michael J. Adams, Mogensen, Pan, Panajotov, Park, Quirce, Sciamanna, Simpson, Valle, Wieczorek   +27 more
core   +2 more sources

A Versatile Materials Class for Solution‐Processed Optics and Photonics Based On Titanium Oxide Hydrates and Polyalcohols: A Perspective

Advanced Materials, Volume 38, Issue 3, 13 January 2026.
A new, solution‐processable class of optical materials based on molecular hybrids of metal oxide hydrates and commodity polymers is discussed here, including their synthesis, processing into thin films, patterning, and photonic structures realized to date.
Victoria Quirós‐Cordero, Alex H. Balzer, Stefan Bachevillier, Nissa Watkins, António Fernandes Ferreira, Joseph Mushyakov, Mehul Dhoot, Carlos Silva‐Acuña, Paul N. Stavrinou, Natalie Stingelin   +9 more
wiley   +1 more source

Application-Oriented Investigation of Parasitic Limitation on Multilevel Modulation of High-Speed VCSELs

IEEE Photonics Journal, 2019
In this paper, we present an application-oriented investigation of parasitic limitation on the large signal performance of VCSELs when multilevel modulation is applied. VCSELs with different damping are taken into consideration.
Chenyu Liang, Wenjia Zhang, Qing Wang, Shun Yao, Zuyuan He   +4 more
doaj   +1 more source

Self-pulsing dynamics in a cavity soliton laser [PDF]

, 2010
The dynamics of a broad-area vertical-cavity surface-emitting laser (VCSEL) with frequency-selective feedback supporting bistable spatial solitons is analyzed experimentally and theoretically. The transient dynamics of a switch-on of a soliton induced by
Ackemann, T., Firth, W. J., McIntyre, C., Oppo, G. -L., Radwell, N.   +4 more
core   +1 more source

Group Delay Dispersion Measurements on Mid‐Infrared Supermirrors

Advanced Optical Materials, Volume 14, Issue 3, 19 January 2026.
Group delay dispersion of novel semiconductor‐based optics is measured in the mid‐infrared spectral range (2.5 to 4.8 μm$\rm \umu{\rm m}$). Comparisons are made between simulations, measurements conducted with a home‐built white light interferometer, and measurements performed with a commercially available FTIR.
Ulrich Galander, Maximilian Prinz, Lukas W. Perner, Oliver H. Heckl   +3 more
wiley   +1 more source

Design and Fabrication of the Reliable GaN Based Vertical-Cavity Surface-Emitting Laser via Tunnel Junction

Crystals, 2019
In this study, we theoretically designed and experimentally fabricated an InGaN vertical-cavity surface-emitting laser (VCSEL) with a tunnel junction (TJ) structure. From numerical simulation results, the optical loss of the device can be reduced by a TJ
Chih-Chiang Shen, Yun-Ting Lu, Yen-Wei Yeh, Cheng-Yuan Chen, Yu-Tzu Chen, Chin-Wei Sher, Po-Tsung Lee, Ya-Hsuan Shih, Tien-Chang Lu, Tingzhu Wu, Ching-Hsueh Chiu, Hao-Chung Kuo   +11 more
doaj   +1 more source

Narrow Linewidth Spontaneous and Lasing Emissions from Open‐Access Microcavity‐Embedded Perovskite Quantum Dots

Advanced Optical Materials, Volume 14, Issue 1, 9 January 2026.
Continuous‐wave lasing from a small number of perovskite quantum dots is achieved by coupling their photoluminescence to open‐access curved dielectric cavities. This geometry confines their emission into a single optical mode, sharply narrowing linewidths in both spontaneous and lasing regimes.
Sunny Tiwari, Amit R. Dhawan, SangHyuk Park, Sangeun Cho, Gareth S. Jones, Jason M. Smith, Robert A Taylor, Tristan Farrow   +7 more
wiley   +1 more source

Artificial optoelectronic spiking neuron based on a resonant tunnelling diode coupled to a vertical cavity surface emitting laser

Nanophotonics, 2022
Excitable optoelectronic devices represent one of the key building blocks for implementation of artificial spiking neurons in neuromorphic (brain-inspired) photonic systems.
Hejda Matěj, Malysheva Ekaterina, Owen-Newns Dafydd, Ali Al-Taai Qusay Raghib, Zhang Weikang, Ortega-Piwonka Ignacio, Javaloyes Julien, Wasige Edward, Dolores-Calzadilla Victor, Figueiredo José M. L., Romeira Bruno, Hurtado Antonio   +11 more
doaj   +1 more source

High‐Resolution 3D Imaging with Tunable Point Cloud Projection Based on Meta‐Device

Laser &Photonics Reviews, Volume 20, Issue 2, 22 January 2026.
A meta‐based tunable point cloud projection that enables high‐resolution 3D imaging through a dynamic meta‐device is demonstrated. By adjusting spatial sampling, the system achieves significantly sharper reconstructions while remaining compact. The innovation opens new possibilities for applications such as facial recognition, augmented reality, and ...
Yin Zhou, Zhengdong Chen, Jialuo Cheng, Qican Zhang, Zihan Geng, Zhoujie Wu, Mu Ku Chen   +6 more
wiley   +1 more source

Optimum thickness of GaAs top layer in AlGaAs‐based 850 nm VCSELs for 56 Gb/s PAM‐4 applications

ETRI Journal, 2021
We studied the influence of GaAs top‐layer thickness on the small‐signal modulation response and 56 Gb/s four‐level pulse‐amplitude modulation eye quality of 850 nm vertical‐cavity surface‐emitting lasers (VCSELs).
Shin‐Wook Yu, Sang‐Bae Kim
doaj   +1 more source