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New Data Transmission Record Set
a spectrum of many colours. All the colours are fixed at a specific frequency distance from each other using a frequency comb. Each colour (or frequency) can then be isolated and used to imprint data. The frequencies can then be reassembled and sent over an optical fibre. Victor Torres Company, professor at Chalmers University of Technology, is head of the research group that has developed and manufactured the chip. He says, “What is special about
An international group of researchers from Technical University of Denmark (DTU) and Chalmers University of Technology in Gothenburg, Sweden, have achieved record data transmission speeds and are the first in the world to transmit more than 1 petabit per second (Pbps) using only a single laser and a single optical chip. The light source is a custom-designed optical chip, which can use the light from a single infrared laser to create
ogy, and a single laser we will be able to transmit up to 100 Pbps. The reason for this is that our solution is scalable, both in terms of creating many frequencies and in terms of splitting the frequency comb into many spatial copies and then optically amplifying them, and using them as parallel sources with which we can transmit data. Although the comb copies must be amplified, we do not lose the qualities of the comb, which we utilise for spectrally efficient data transmission.”
this chip is that it produces a frequency comb with ideal characteristics for fibre-optical communica- tions – it has high optical power and covers a broad bandwidth within the spec- tral region that is interest- ing for advanced optical communications.” Professor Leif Katsuo Ox- enløwe, head of the Centre of Excellence for Silicon Photonics for Optical Communications (SPOC) at DTU, says, “Our calcu- lations show that with the single chip made by Chal- mers University of Technol-
Ciena To Buy Tibit And Benu Networks
Networks will extend our ability to support custom- ers’ next-generation metro and edge strategies as service providers globally accelerate investments to modernise their networks and improve connectivity at the network edge,” said Scott McFeely, senior vice president, Global Products and Services, Ciena. “Tibit’s high-speed PON technolo- gies and Benu’s subscriber management products, combined with Ciena’s current access and edge portfolio, will enable us to offer broader, more com- plete, and fully integrated broadband access solu- tions that combine routing, subscriber management, and PON features and functionality.”
Ciena has entered into a definitive
Tibit’s open, microplug OLT technology enables rapid PON deployment in any environment. Benu has developed a portfolio of field-proven,
lio of solutions for broad- band access use cases, including residential broad- band, enterprise business services, and fixed-wireless access, which represent a significant addressa- ble market for Ciena. In addition, the acquisitions will strengthen Ciena’s ex- pertise in these areas, with the addition of a combined 60+ talented engineers with significant experience in access technologies. Tibit combines PON-spe- cific hardware and OS into a micro pluggable transceiver that can be easily integrated into a carrier-grade Ethernet switch. Unlike the closed and proprietary approaches of traditional Optical Line Terminal (OLT) vendors,
agreement to acquire Tibit Communications, Inc., a privately-held company headquartered in Petaluma, California, along with Benu Networks, Inc., a privately-held company headquartered in Burlington, Massachusetts. Tibit and Benu are focused on simplifying broadband access networks through next-generation PON technologies and advanced subscriber
cloud-native software solutions, including a
virtual Broadband Network Gateway ((v)BNG), which are highly complementary to Ciena’s existing portfo- lio of broadband access solutions. Benu will provide Ciena with the ability to deliver a single solution that integrates routing, OLT, subscriber manage- ment and network services, thereby reducing both cap- ital and operating expenses and improving sustainability for its customers. “The acquisitions of Tibit Communications and Benu
management, respectively.
Ciena says Individually and together, Tibit and Benu will complement the company’s existing portfo-
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