Zobrazeno 1 - 10
of 5 641
pro vyhledávání: '"vcsel"'
Publikováno v:
Shanghai Jiaotong Daxue xuebao, Vol 58, Iss 4, Pp 438-448 (2024)
Aimed at the requirements of optically pumped magnetometer (OPM) for miniaturization, low power consumption and laser frequency stability, a wavelength locking control scheme for vertical-cavity surface-emitting laser is proposed. The proposed method
Externí odkaz:
https://doaj.org/article/3a46db6b066e44fdb8ef2eed465cdb4d
Akademický článek
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Autor:
Alberto Gatto, Antonino Favano, Paola Parolari, Christian Neumeyr, Marco Ferrari, Luca Barletta, Maurizio Magarini, Pierpaolo Boffi
Publikováno v:
IEEE Access, Vol 12, Pp 154294-154309 (2024)
The effectiveness of Volterra equalization (VE) is analyzed to improve the performance of a metropolitan area network (MAN), characterized by directly-modulated (DM) vertical-cavity surface-emitting laser (VCSEL) sources combined with coherent detect
Externí odkaz:
https://doaj.org/article/bd2787eb4b7945198d950e0d05e304c5
Publikováno v:
IEEE Photonics Journal, Vol 16, Iss 3, Pp 1-10 (2024)
Many failures of semiconductor-based oxide confined vertical cavity surface emitting lasers (VCSELs) are closely related to the generation and expansion of defects in the device structure. However, existing research has predominantly focused on the s
Externí odkaz:
https://doaj.org/article/9d948d9502df42b7885b8473a8bfeb78
Autor:
Marta Wieckowska, Maciej Dems
Publikováno v:
IEEE Photonics Journal, Vol 16, Iss 3, Pp 1-7 (2024)
This article focuses on increasing the single-mode power in Vertical Cavity Surface Emitting Lasers (VCSELs) through the strategic integration of an antiresonant oxide islands. Using a gallium arsenide-based VCSEL as a case study, we explore the infl
Externí odkaz:
https://doaj.org/article/b43c75b1fc214d999fd39462afcdcf94
Publikováno v:
IEEE Access, Vol 12, Pp 28343-28352 (2024)
Circumventing the data rate bottleneck due to the bandwidth limitation of optical devices is an imperative for today’s fiber-optic communication systems. This paper investigates a two-stage laser driver consisting of a precoder and an encoder stage
Externí odkaz:
https://doaj.org/article/a087cf8501f04708a006d6bd3ac059cc
Autor:
Alberto Gullino, Valerio Torrelli, Martino D'Alessandro, Alberto Tibaldi, Francesco Bertazzi, Michele Goano, Pierluigi Debernardi
Publikováno v:
IEEE Photonics Journal, Vol 16, Iss 2, Pp 1-9 (2024)
This work reports a multiscale physics-based approach aimed at investigating the benefits of introducing a single tunnel junction (TJ) within conventional AlGaAs Vertical-Cavity Surface-Emitting Lasers (VCSELs). Our comprehensive VCSEL solver VENUS i
Externí odkaz:
https://doaj.org/article/cd0507066a4b4c51aa6e5aa8766f15e2
Autor:
Ya-Chao Wang, Yan-Hui Chen, Zhong-Ming Zheng, Tao Yang, Yang Mei, Lei-Ying Ying, Bao-Ping Zhang
Publikováno v:
IEEE Photonics Journal, Vol 16, Iss 1, Pp 1-6 (2024)
Gallium Nitride (GaN)-based vertical-cavity surface-emitting lasers (VCSELs) in green spectral region face the difficulty of the “green gap”. One of the main obstacles is the strong polarization electric field in GaN-based materials, which leads
Externí odkaz:
https://doaj.org/article/2adc38a28fda4736a61c0502401322a4
Autor:
Muralikrishnan Srinivasan, Alireza Pourafzal, Stavros Giannakopoulos, Peter Andrekson, Christian Häger, Henk Wymeersch
Publikováno v:
Photonics, Vol 11, Iss 10, p 943 (2024)
Vertical cavity surface-emitting laser (VCSEL)-based optical interconnects (OI) are crucial for high-speed data transmission in data centers, supercomputers, and vehicles, yet their performance is challenged by harsh and fluctuating thermal condition
Externí odkaz:
https://doaj.org/article/1744e62cc9dd466c8d03f9dcab330f7a
Publikováno v:
Materials, Vol 17, Iss 19, p 4872 (2024)
Vertical-cavity surface-emitting lasers (VCSELs) are essential for exhibiting single-transverse-mode output characteristics, which are critical for applications in quantum sensing, optical interconnection, and laser printing. In this study, we achiev
Externí odkaz:
https://doaj.org/article/b01b2dea2a184824a787fa8ec8bbd750