搜索结果: 1-15 共查到“光电子技术 VCSEL”相关记录17条 . 查询时间(0.109 秒)
中国科学院微电子所在795nm窄线宽VCSEL方面取得新进展(图)
电子 激光器 耦合
2024/11/7
垂直腔面发射激光器(VCSELs)具有体积小、阈值电流低、波长随温度稳定、圆形光束和高可靠性等优点,是原子钟、原子磁力仪、原子陀螺仪等核心光源。但传统VCSEL的光谱线宽较宽,一般为50-100 MHz,无法与自然原子线宽(铯为5 MHz)匹配,限制了原子传感系统性能的进一步提升。
集成光电探测器的可调谐MEMS-VCSEL,可监测输出光功率(图)
集成 光电探测器 MEMS-VCSEL 光功率
2024/10/15
中国科学院半导体研究所在可调谐MEMS-VCSEL研究方面取得进展(图)
MEMS VCSEL 调谐
2024/10/25
国内首款660纳米VCSEL激光芯片研发成功!(图)
VCSEL 激光芯片
2023/11/12
日前,中国科学院长春光学精密机械与物理研究所在国内首次研制出碱金属原子光学传感技术专用的795nm和894nm 垂直腔面发射激光器(VCSEL)。该器件采用完全自主的结构设计、材料生长和芯片工艺研制而成,芯片体积仅为0.05立方毫米(0.5mmx0.5mmx0.2mm)。器件高稳定单模态激光输出高于0.2毫瓦,工作电流低于1.5毫安,功耗低于3毫瓦,工作温度超过100℃,可作为核心光源用于芯片级原...
We report error-free performance at 25Gb/s using a directly-modulated 850nm VCSEL over 100m graded-index perfluorinated plastic optical fiber with good launch offset tolerance.Bandwidth assessment of ...
Optical transmitter with 1060 nm VCSEL for low power interconnect
1060 nm VCSEL low power Optical transmitter
2015/5/15
An optical transmitter composed of a 90-nm CMOS driver and a high efficiency 1060nm VCSEL is characterized. The 10Gb Ethernet eye mask specification is met with a +33% margin with 1.7 mW/Gbps power co...
10 Gbit/s Photonic Crystal Fiber Transmissions with 1.1 μ μm Directly-Modulated Single-Mode VCSEL
Photonic crystal fibers Fiber optics communications
2015/6/10
We demonstrate a 10-Gbit/s transmission over a 5-km photonic crystal fiber in the 1.1 μm band using a directly-modulated single-mode VCSEL. The transmission distance was extended to 14 km by using an ...
Multi-Gbps ASK and QPSK-modulated 60 GHz RoF Link using an Optically Injection Locked VCSEL
Radio Frequency Photonics Vertical cavity surface emitting lasers
2015/6/9
A 60 GHz RoF transmitter employing an optically injection locked VCSEL is demonstrated for the first time. Multi-Gbps ASK and QPSK at 60 GHz after 20 km fiber and 3 m wireless transmission is shown.
1060-nm VCSEL-based parallel-optical modules for short link application
Optical interconnects Optoelectronics
2015/6/8
This paper describes advantages of 1060-nm optical interconnect employing parallel-optical modules. 1060-nm optical signals contribute to power budget increase and excellent transmission performance w...
10 Gb/s 1550 nm VCSEL transmission over 23.6 km Single Mode Fiber with no Dispersion Compensation and no Injection Locking for WDM PONs
Vertical surface cavity emitting diodes
2015/6/4
We demonstrate 10Gb/s VCSEL transmission for WDM PON over 23.6km single mode fiber. Dispersion penalty is limited to 2.9dB by introducing a wavelength offset with respect to the remote array waveguide...
基于AlN膜钝化层VCSEL激光器热特性的研究
垂直腔面发射半导体激光器 AlN膜 SiO2膜 ANSYS
2011/4/19
用ANSYS有限元热分析软件模拟了基于AlN膜钝化层和SiO2膜钝化层的高功率垂直腔面发射半导体激光器(VCSEL)器件内部的热场分布和热矢量分布。经模拟得到基于AlN膜钝化层的VCSEL热阻为3.123℃/W,而基于SiO2膜钝化层的VCSEL的热阻为4.377℃/W。经实验测得基于AlN膜钝化层的VCSEL热阻为3.54℃/W,而基于SiO2膜钝化层的VCSEL的热阻为4.75℃/W,模拟结果...
4 Gbit/s over 50-m Large Core Diameter GI-POF using Low-cost VCSEL
Large Core Diameter GI-POF Low-cost VCSEL
2015/7/15
We report record transmission systems over 50 metres of 900-μm core diameter graded-index POF using a low-cost VCSEL at 667 nm. A net bit rate of 4 Gbit/s is achieved with BER < 10 -3 .