Results 81 to 90 of about 2,658 (232)

Fundamentals and applications of spatial dissipative solitons in photonic devices : [Chapter 6]

, 2009
We review the properties of optical spatial dissipative solitons (SDS). These are stable, self‐localized optical excitations sitting on a uniform, or quasi‐uniform, background in a dissipative environment like a nonlinear optical cavity.
Firth, W.J., Ackemann, Thorsten, Oppo, G.L., WilliamJ. Firth, Firth, William J., Thorsten Ackemann, Gian‐Luca Oppo, Oppo, Gian-Luca, Ackemann, T.   +8 more
core   +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

GaN‐Based Red Resonant Cavity Light‐Emitting Diode up to 673 nm

Electronics Letters, Volume 62, Issue 1, January/December 2026.
GaN‐based red resonant‐cavity light‐emitting diodes were successfully fabricated using two dielectric distributed Bragg reflectors as the top and bottom mirrors.The device exhibited a mode wavelength of up to 673 nm, which is the longest emission wavelength reported to date for GaN‐based microcavity devices.
Wei Ou, Xin Hou, Yang Mei, Baoping Zhang, Daisuke Iida, Kazuhiro Ohkawa   +5 more
wiley   +1 more source

Performance improvement of GaN-based vertical cavity surface emitting laser by employing a hole storage layer and enhancing the carrier transport behavior

Results in Physics
In this paper, the transport behavior of carriers between multiple quantum wells (vertical) and inside a single quantum well (radial) in a GaN-based Vertical Cavity Surface Emitting Laser (VCSEL) is investigated, and a new device structure with a hole ...
Yachen Wang, Feng Liang, Jing Yang, Ping Chen, Zongshun Liu, Changsheng Xia, Degang Zhao   +6 more
doaj   +1 more source

A 5 m/25 Gbps Underwater Wireless Optical Communication System

IEEE Photonics Journal, 2018
A 25-Gbps underwater wireless optical communication (UWOC) system with a two-stage injection-locked 680-nm red-light vertical-cavity surface-emitting laser (VCSEL) transmitter to enhance the frequency response and a laser beam expander to expand the ...
Chung-Yi Li, Hai-Han Lu, Wen-Shing Tsai, Zhen-Han Wang, Chung-Wei Hung, Chung-Wei Su, Yi-Feng Lu   +6 more
doaj   +1 more source

A 50-m/40 Gb/s 680-nm VCSEL-Based FSO Communication

IEEE Photonics Journal, 2016
A 50-m/40-Gb/s 680-nm vertical-cavity surface-emitting laser (VCSEL)-based free-space optical (FSO) communication employing three-stage injection-locked technique and the afocal scheme is proposed and experimentally demonstrated.
Wen-Shing Tsai, Hai-Han Lu, Chung-Yi Li, Ting-Chieh Lu, Chen-Hong Liao, Chien-An Chu, Peng-Chun Peng   +6 more
doaj   +1 more source

Design and optimization of high-contrast gratings for multispectral VCSEL-SOI laser sources

Компьютерная оптика
In the scope of a computational experiment, high-contrast gratings (HCG) formed on a silicon-on-insulator (SOI) platform within vertical-cavity surface-emitting lasers (VCSELs) were studied for multispectral laser sources. A simulation model for spectral
I.S. Shashkin, M.I. Kondratov, A.E. Grishin , K.E. Pevchikh , S.O. Slipchenko, N.A. Pikhtin   +5 more
doaj   +1 more source

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

AIP Advances
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 achieves a 39.
Linjin Song, Zhigang Jia, Wei Jia, Shufang Ma, Lin Shang, Hailiang Dong   +5 more
doaj   +1 more source

Bidirectional Visible Light Communication System Using a Single VCSEL With Predistortion to Enhance the Upstream Remodulation

IEEE Photonics Journal, 2018
The demand of higher data rates has made it attractive to consider a low-cost laser diode (LD), such as vertical-cavity-surface-emitting laser (VCSEL) for use in visible light communication (VLC) transmitters (Tx) due to their higher electrical-to ...
Liang-Yu Wei, Chi-Wai Chow, Chin-Wei Hsu, Chien-Hung Yeh   +3 more
doaj   +1 more source

Advances in small lasers

, 2014
M.T.H was supported by an Australian Research council Future Fellowship research grant for this work. M.C.G. is grateful to the Scottish Funding Council (via SUPA) for financial support.Small lasers have dimensions or modes sizes close to or smaller than
Gather, Malte Christian, Martin T. Hill, Hill, Martin T, Malte C. Gather   +3 more
core   +1 more source