VCSELSVertical Cavity Surface-Emitting Laser Arrays
Copyright 1988-2018, All rights reserved.
References in periodicals archive ?
The Allen factory has also been the manufacturing base for the VCSELs used in communications applications, and the company has increased its capacity at that site by five times in recent years, just to reach the demand for the sensing market.
Datacoms was the first industrial application to start integrating VCSELs. Their sweet spot has been in short-distance data communication, because of their low power consumption and competitive price compared to edge-emitting lasers (EELs).
[9] investigated experimentally 16.375 Gb/s dual-band optical OFDM (O-OFDM) transmission over 200 m MMF using directly modulated VCSELs. The dual-band O-OFDM offers large passband frequency tunability and excellent performance robustness that helps achieve the desired transmission performance with VCSEL modulation bandwidth for cost sensitive applications.
"VCSEL is just one of many advanced materials technologies that IQE has developed which will drive continuing growth in the near and mid term.
The routines enable go/no-go analysis and target EDFA, DFBLD, FP-LD (VCSEL), optical-filter, and LED devices.
Mellanox Technologies Ltd (NASDAQ:MLNX), a supplier of end-to-end data centre services and interconnect solutions for storage systems, revealed on Tuesday that the US International Trade commission (ITC) issued its Final Determination on 17 April 2014, which ruled that Mellanox's Active Optical Cable products and VCSEL drivers do not infringe on Avago's US Patent Number 5,596,456, directed to a laser driver.
As an alternative to electrical pumping in VCSELs, optical pumping may be used which can inject excitation carriers uniformly across a wide area [4, 6].
This facility will focus primarily on the manufacture of tunable and parallel transceivers, WSS modules, ROADM line cards, passive components, and high-end optical subassemblies used in VCSELs and detectors.
By combining innovative circuits in IBM's 32-nanometer silicon-on-insulator complementary metal-oxide-semiconductor (SOI CMOS) technology with advanced vertical cavity surface emitting lasers (VCSELs) and photodetectors fabricated by Sumitomo Electric Device Innovations USA (formerly Emcore), Proesel and his colleagues created a power-efficient optical communication link operating at 25 gigabits per second using just 24 milliwatts of total wall-plug power, or 1 pJ/bit.
The joint demonstration was enabled by a seven-core laser-optimized multimode fiber made with OFS LaserWave[R] fiber technology interfaced with custom-designed transceivers from IBM Research (Yorktown Heights, NY), using custom-designed VCSELs and photodiodes from EMCORE (Albuquerque, NM).
In premises cabling, multimode fibers are typically used because they can be powered by low-cost optical sources, such as LEDs or vertical-cavity surface-emitting lasers (VCSELs), which operate in the 850 nm transmission window.
Optical signals on DBs are distributed directly to components or to small interposer boards for subsequent distribution to and from typically VCSELs (vertical cavity surface emitting lasers) and detector components.