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Telecoms ♦ news digest


technology, we are obviously very excited to be masters again of our own business”, says Vincent Grundlehner, CEO.


The management buyout allows for the execution of a number of growth initiatives such as an expanded product portfolio, a higher level of production automation as well as a strengthening of customer support functions.


The investors backing the company, bring in a broad industry network and share the long-term focus to expand the global reach of the company. “As seasoned technology entrepreneurs, we understand the value of a strong management team combined with a solid balance sheet”, says Falk Strascheg, one of the most experienced and successful private equity investors in Germany. “Considering the operational success of the company throughout the past ten years, we gladly took a substantial stake in Albis Optoelectronics.”


Albis Optoelectronics is a designer, developer and manufacturer of high-speed PIN and APD photodiodes for fibre optic datacom and telecom applications. The firm’s product portfolio supports 10G, 40G and 100G communication links as well as analogue microwave applications. The Zurich based fabrication facilities offer full in-house production from front-end to back-end.


The focal investment area of Falk Strascheg is private equity and venture capital. As an entrepreneurially-minded, active investor, Falk Strascheg invests in young, innovative technology businesses with strong growth potential. His investments in currently more than 25 companies cover, among others, the electronics, laser and semiconductor sectors, information and web technology as well as new media and the cleantech field.


VIS & Illinois Uni’s 850nm GaAs based VCSEL travels


25 Gbit/s over 1km VI Systems has worked with the American university to develop a VCSEL which is suited for use in the next generation of datacom and computercom standards


Researchers have demonstrated a novel Single Mode Photonic Crystal VCSEL, suitable for error-free 25 Gbit/s data transmission over 1km of multi mode fibre at very low received optical power. .


VI Systems GmbH and the Department of Electrical and Computer Engineering at the University of Illinois, USA demonstrated, jointly, at the Photonics West Conference, a novel Single Mode Photonic Crystal VCSEL (vertical cavity surface emitting laser).


The photonic crystal (PC) VCSEL is manufactured from a proprietary VI System’s wafer which was processed at the University of Illinois at Urbana-Champaign with a defined photolithographic pattern of holes in the top mirror. This process results in a single mode emission of the VCSEL at 850nm wavelength.


The PC VCSEL operating at low current density of 5.4kA / cm2 enables -3dB bandwidth of 18GHz. Error free optical data transmission at 25 Gbit/s over 1-km OM4 multimode fibre has been realised at 1km distances at very low received power of only 70µW at the Department of Solid State Physics at the Technical University of Berlin, Germany, with a high speed photoreceiver module from VI Systems.


Single-mode VCSELs extend the reach over multimode fibre by eliminating the impact of chromatic dispersion of glass at 850nm wavelength, which is particularly important for ultrahigh transmission bit rates within the next generation of datacom and computercom standards.


Target applications are data transmission inside of large data centres, supercomputer clusters and racks of telecom equipment at ultrahigh bit data rates.


1km transmission at very low received power allows cost and energy-efficient 850nm VCSEL-based links to extend to longer distances thus saving space, cost and energy consumption in all major applications.


Infinera InP PICs demonstrate 500 Gb/s transmission in Russia The firm used its indium phospide based DTN-X platform and


worked with FSUE ZNIIS to perform the super-channel trial


Infinera, a provider of Digital Optical Networks, has completed its first ultra-long-haul lab trial in Russia.


To perform the trial, the firm collaborated with FSUE ZNIIS, Russia’s Central Science and Research Telecommunications Institute and the integrator of the latest technological advances in telecommunications in Russia.


Infinera says this trial demonstrates the firm’s ability to supply scalable, efficient and high capacity optical networking solutions to meet the needs of service providers in Russia.


The DTN-X trial with FSUE ZNIIS took place at ZNIIS’ Techno Park in Moscow, successfully demonstrating 8 Terabits per second (Tb/s) of DWDM capacity across 1,175 kilometres. The network configuration provided flexible service add/drop and non-blocking OTN-switching capabilities and enabled a variety of different types of traffic demands including high speed 100 Gigabit Ethernet services (Gb/E), 40 Gb/E as well as widely used 10 Gb/E and 10 Gb/s SDH services.


The trial was based on Infinera’s DTN-X platform, using 500 Gb/s super-channels and integrated non-blocking OTN- switching. The all-in-one solution helps service providers steadily grow their network capacity up to 8 Tb/s.


“We are impressed by Infinera and the DTN-X solution, especially by its ability to quickly deploy and launch a DWDM line to demonstrate long-haul transmission,” says. Svetlana Yarlykova, Scientific Director at FSUE ZNIIS. “The equipment


March 2013 www.compoundsemiconductor.net 95


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