搜索结果: 1-15 共查到“光学工程 VCSEL”相关记录26条 . 查询时间(0.28 秒)
近日，长光华芯车载激光雷达芯片产品顺利通过车规级AEC-Q102认证，加上2022年12月份通过的IATF16949质量体系认证，长光华芯已拿到进入汽车电子行业的两张通行证，是汽车厂商合规可靠的车载激光雷达芯片供应商。目前多数汽车厂商使用的零部件都要求具备AEC-Q认证，AEC-Q认证是国际通用的车规元器件产品验证标准，通过AEC-Q认证意味着产品能够应用于汽车上。
国内首款660纳米VCSEL激光芯片研发成功！（图）
VCSEL 激光芯片
2023/2/20
日前，国内首款波长660纳米垂直腔面发射激光器芯片(660VCSEL芯片）在万州研发成功并投入批量化生产，这款芯片广泛应用于激光指示、激光扫描、血氧传感、烟雾探测等领域。
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 ...
Monolithic Electro-Optically Modulated VCSEL Suitable For Radio over Fibre Applications to 20 GHz
Fiber optics communications Modulators
2011/5/25
An integrated EOM VCSELs is shown to offer high linearity (92dB/Hz ⅔ at 6GHz) and by extrapolation ~90dB/Hz ⅔ up to 20GHz. Successful modulation with IEEE 802.11g signals is demonstrated...
Coherent Detection for 1550 nm, 5 Gbit/s VCSEL Based 40 km Bidirectional PON Transmission
Coherent Detection VCSEL Based Bidirectional PON Transmission
2011/5/22
Coherent detection of directly modulated 1550nm VCSELs in 5Gbit/s bidi-rectional 40km SSMF PON-links is presented. Receiver sensitivity of –37.3dBm after transmission is achieved with 30dB system marg...
25-Gb/s Transmitter for Optical Interconnection with 10-Gb/s VCSEL Using Dual Peak-Tunable Pre-Emphasis
Optics in computing optical interconnects
2011/5/22
We developed a 25-Gb/s VCSEL transmitter with 10-Gb/s VCSEL. By driving standard 10-Gb/s VCSELs using pre-emphasis technology to overcome their optical bandwidth limit, we achieved clear eye opening a...
1.3 μm all-VCSEL low complexity coherent detection scheme for high bit rate and high splitting ratio PONs
Fiber optics communications Vertical cavity surface emitting lasers Coherent
2011/5/21
Full 1.3 μm VCSEL-based simplified coherent detection receiver is demonstrated at 5 Gbps. Receiver sensitivity of -34 dBm is achieved providing link reach and splitting ratio extension for future pass...
Transmission Experiment Using a Coupled-Cavity VCSEL for Radio Frequency Conversion
Transmission Experiment Coupled-Cavity VCSEL Radio Frequency Conversion
2011/5/21
We perform a transmission experiment using a coupled-cavity VCSEL and demonstrate its unique ability for radio frequency conversion. For a short-reach link, the system performance is governed by the d...
First Experimental Demonstration of Low-Cost VCSEL- Intensity Modulated End-to-End Real-Time Optical OFDM Signal Transmission at 11.25Gb/s over 25km SSMFs
VCSEL Intensity Modulated OFDM Signal Transmission
2011/5/20
Low-cost, narrow modulation bandwidth, un-cooled VCSELs can be utilized to directly modulate 64-QAM-encoded 11.25Gb/s signals for end-to-end real-time optical OFDM transmission over 25km SSMF IMDD sys...
Implant Enhanced Dual Intracavity Polarization Switching Asymmetric Current Injected VCSEL
Implant Enhanced Dual ntracavity Polarization Switching Asymmetric Current VCSEL
2011/5/15
Output polarization is controlled by injecting current along crystalline directions. VCSELs with record-low threshold current of 0.19 mA and extinction ratio >21dB from fit is achieved. Polarization s...
Optical transmitter with 1060 nm VCSEL for low power interconnect
1060 nm VCSEL low power Optical transmitter
2011/5/15
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
2010/6/10
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 ...
High-Performance 850 nm VCSEL and Photodetector Arrays for 25 Gb/s Parallel Optical Interconnects
Fiber optics components
2010/6/9
We design, fabricate and demonstrate 850 nm VCSEL and PD arrays which operate at 25 Gb/s per channel, up to 600 Gb/s with 24 channels, for low-power parallel optical module applications. We also repor...
Multi-Gbps ASK and QPSK-modulated 60 GHz RoF Link using an Optically Injection Locked VCSEL
Radio Frequency Photonics Vertical cavity surface emitting lasers
2010/6/9
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.