Results 61 to 70 of about 1,348 (183)

A 56 Gb/s PAM4 VCSEL-Based LiFi Transmission With Two-Stage Injection-Locked Technique

IEEE Photonics Journal, 2017
A 56 Gb/s four-level pulse amplitude modulation (PAM4) light-based WiFi (LiFi) transmission based on a 680-nm/5.4-GHz vertical-cavity surface-emitting laser (VCSEL) with a two-stage injection-locked technique is proposed and demonstrated ...
Hai-Han Lu, Chung-Yi Li, Hwan-Wei Chen, Chun-Ming Ho, Ming-Te Cheng, Zih-Yi Yang, Chang-Kai Lu   +6 more
doaj   +1 more source

Emerging Device Applications From Strong Light–Matter Interactions in 2D Materials

Advanced Science, Volume 13, Issue 17, 23 March 2026.
Two‐dimensional semiconductors enable extremely compact optoelectronic devices such as solar cells, sensors, LEDs, and lasers. Their strong light–matter interactions allow efficient light emission, detection, and energy conversion. This review article discusses the recent progress in integrating these materials with optical cavities and nanostructures ...
Janani Archana K, Kumar Shwetabh, Reyas Ali, Ramji Velayutham, Koustav Das, Abhishek Mondal, Prashant Kumar, Surendra B. Anantharaman   +7 more
wiley   +1 more source

Characterization of Chirp Properties of an 850 nm Single-Mode Multi-Aperture Vertical-Cavity Surface-Emitting Laser and Analysis of Transmission Performance over Multimode and Single-Mode Fibers

Photonics
By measuring the transfer function of the single-mode multi-aperture vertical-cavity surface-emitting laser (SM MA VCSEL) transmitting over a long single-mode fiber at 850 nm, we confirm that the chirp of the SM MA VCSEL under study is dominated by ...
Xin Chen, Nikolay Ledentsov, Abdullah S. Karar, Jason E. Hurley, Oleg Yu. Makarov, Hao Dong, Ahmad Atieh, Ming-Jun Li, Nikolay Ledentsov   +8 more
doaj   +1 more source

Application of nanophotonics to the next generation of surface-emitting lasers

Nanophotonics, 2017
Novel trends and concepts in the design and fabrication of vertical cavity surface-emitting lasers (VCSELs) and their integration in optical networks and implementation in integrated photonics applications are discussed.
Ledentsov Nikolay N., Ledentsov Nikolay, Agustin Mikel, Kropp Joerg-R., Shchukin Vitaly A.   +4 more
doaj   +1 more source

Deep‐UV Photonic Crystal Surface‐Emitting Lasers

Laser &Photonics Reviews, Volume 20, Issue 6, 18 March 2026.
The first deep‐UV photonic crystal surface‐emitting lasers (PCSELs) at 279 nm are demonstrated under pulsed optical pumping. The PCSELs have single‐mode emission with a 17‐pm linewidth and a divergence angle of less than 1∘$^{\circ }$. Experimental results highlight the impact of the filling factor choice on the lasing mode and the far‐field emission ...
Doğukan Apaydın, Hjalmar Andersson, Lukas Uhlig, Sarina Graupeter, Joachim Ciers, Giulia Cardinali, Erik Strandberg, Tim Wernicke, Michael Kneissl, Ulrich Theodor Schwarz, Philippe Tassin, Åsa Haglund   +11 more
wiley   +1 more source

Specialized directional beaming through a metalens and a typical application

Nanophotonics, 2018
The anomalous beaming effect of the periodic metallic corrugations functioning as a special case of kSP=2π/Λ is discussed and verified by means of both theoretical calculation and experimental probing.
Zhao Kangyi, Zhang Hui, Fu Yongqi, Zhu Shaoli   +3 more
doaj   +1 more source

Subwavelength-grating coupled-cavity resonance VCSELs with ultra-narrow linewidth

APL Photonics
Vertical-cavity surface-emitting lasers (VCSELs) characterized by compactness, high stability, and narrow linewidths are of significant interest for miniature atomic sensing applications.
Li-shan Fu, Ning Cui, Feng Zhang, Ji-sheng Wang, Ao Qiu, Bao-lu Guan, Ai-Qun Liu   +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 20-km/60-Gb/s Two-Way PON Based on Directly Modulated Two-Stage Injection-Locked 1.55- $\mu\hbox{m}$ VCSEL Transmitters and Negative Dispersion Fibers

IEEE Photonics Journal, 2015
A 20-km/60-Gb/s two-way passive optical network (PON) based on directly modulated two-stage injection-locked 1.55-μm vertical-cavity surface-emitting laser (VCSEL) transmitters and negative dispersion fibers (NDFs) is proposed and demonstrated.
Cheng-Ling Ying, Hai-Han Lu, Chung-Yi Li, Chun-Yu Lin, Che-Yu Lin, Peng-Chun Peng   +5 more
doaj   +1 more source

垂直腔表面发射激光器的研究

Guangtongxin yanjiu, 2009
垂直腔表面发射激光器（VCSEL）是一种应用于光纤通信系统的低成本、高性能的特定波长光源,它具有测试简单、易耦合以及易形成阵列等独特优势,已在光并行互连及高密度光存贮等领域得到大规模应用。文章介绍了VCSEL的结构和当前的制造工艺水平,阐述了各波段VCSEL的发展和应用现状,探讨了VCSEL在不同领域中的应用范围并指出了VCSEL的发展前景。
黄亮, 甘朝钦, 石磊
doaj