Tuesday, October 25, 2016
Suzhou TFC Optical Communication plans communications tech JV, with partner
Oct 25 Suzhou TFC Optical Communication Co Ltd :
* Says it plans to set up a communications tech JV, with individual Wang Wei
* Says JV with registered capital of 5 million yuan and co will hold 60 percent stake in it
Source text in Chinese: http://www.cninfo.com.cn/finalpage/2016-10-25/1202780292.PDF
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Superconducting nanowire single-photon detectors with non-periodic dielectric multilayers
Taro Yamashita, Kentaro Waki, Shigehito Miki, Robert A. Kirkwood, Robert H. Hadfield & Hirotaka Terai
Scientific Reports 6, Article number: 35240 (2016)
24 October 2016
We present superconducting nanowire single-photon detectors (SSPDs) on non-periodic dielectric multilayers, which enable us to design a variety of wavelength dependences of optical absorptance by optimizing the dielectric multilayer. By adopting a robust simulation to optimize the dielectric multilayer, we designed three types of SSPDs with target wavelengths of 500 nm, 800 nm, and telecom range respectively. We fabricated SSPDs based on the optimized designs for 500 and 800 nm, and evaluated the system detection efficiency at various wavelengths.
The results obtained confirm that the designed SSPDs with non-periodic dielectric multilayers worked well. This versatile device structure can be effective for multidisciplinary applications in fields such as the life sciences and remote sensing that require high efficiency over a precise spectral range and strong signal rejection at other wavelengths.
See the complete article – Source Link: http://www.nature.com/articles/srep35240
Monday, October 24, 2016
Wright University team to present fiber-optic surgical tool to investors
Source: Life Science Daily
Researchers from Wright State University have been invited to present their business model for new medical technology that would eliminate the need for X-ray imaging in certain procedures.
The Wright State team recently presented their concept to top angel investors, entrepreneurial providers and university leaders at the 2016 Ohio Collegiate Venture Showcase.
“This is a big deal,” Caroline Cao, a professor of engineering at the College of Engineering and Computer Science, said. “Ultimately, I’m hoping for investors to invest but also for feedback and connections to resources that will help us develop and commercialize this device,” said Cao, who also is a professor of surgery at the Boonshoft School of Medicine.
The device is comprised of a small optical fiber that could be inserted into a patient undergoing endovascular procedures, enabling physicians to track surgical tools in real-time without the use of X-ray imaging.
“This would speed up the procedures and reduce the radiation exposure from X-rays for both the patients and the physicians,” Cao said. “We have proof of concept. We are now at the stage where we need to build a prototype. There is still going to be a period of development.”
Saturday, October 22, 2016
Globe Telecom, Inc. is a major provider of telecommunications services in the Philippines, supported by over 6,200 employees and about 1.05 million retailers, distributors, suppliers, and business partners nationwide. The company operates one of the largest mobile, fixed line, and broadband networks in the country, providing communications services to individual customers, small and medium-sized businesses, and corporate and enterprise clients. Globe currently has about 48.4 million mobile subscribers, about 3.5 million broadband customers, and 859 thousand landline subscribers. The company’s principal shareholders are Ayala Corporation and Singapore Telecom. It is listed on the Philippine Stock Exchange under the ticker symbol GLO.
The company recently signed $750 million worth of deals with Nokia and two technology companies based in China during the president of the Philippines state visit in China. The company said the agreements would accelerate its use of new Long-Term Evolution (LTE) technologies across the country for over a period of 5 years, improving its broadband services.
The deals were with Huawei Technologies, Nokia and Wuhan Fiberhome International Technologies, it said. Globe has nurtured long ties with Huawei, signing in November (2015) a partnership for its 3G and 4G network. The deal with Huawei covers deployment of LTE spectrum in Luzon.
Globe said that the project would provide wider LTE coverage and better indoor penetration, through an estimated 4,600 sites in the country. This would increase data and fixed-wireless broadband capacity to provide telecommunications services in order to provide access to areas of the country that currently have no access to broadband.
Thursday, October 20, 2016
Kirkland, WA – October 19, 2016 – XKL LLC, a leading provider of fiber optic networking systems, announces the launch of its 100GE coherent product line, eVolocity. The eVolocity platform provides up to 96 channels of coherent 100GE and 9.6 terabits of line-side bandwidth per fiber pair. eVolocity maximizes line utilization and uses statistical multiplexing to flexibly allocate capacity on a per client basis. The platform provides a bandwidth-on-demand solution in a high port density, 1RU form factor.
eVolocity was developed by XKL’s team of accomplished engineers and spearheaded by the company’s CEO and founder, Len Bosack. Ideal for data center interconnect, metro and long haul transport, the eVolocity platform uses a first-of-its-kind, OSI Layer 1 statistical multiplexing algorithm that allows for the dynamic allocation of bandwidth on an as-needed basis. The virtualized interfaces enable seamless capacity growth as customer demands increase. The eVolocity platform maximizes line utilization, allowing customers to run at full line rates. The statistical multiplexing feature supports flexible bandwidth allocation, with physical ports soft-assigned priorities, providing QoS controls.
“Spectral efficiency is essential for optical networking solutions,” says Bosack. “In addition to this, eVolocity is engineered to prioritize and allocate customer data intelligently, thus minimizing idle capacity. This dynamic bandwidth allocation is unique for Layer 1 and provides another means for customers to handle the explosion in bandwidth growth. Customers are looking for additional methods to get more data through the fiber. Spectral efficiency improvements via more complex modulation formats alone will not get the job done.”
“As with all XKL products, eVolocity is designed with the future in mind,” adds Chad Lamb, Director of Engineering for XKL. “Typical channel utilization of 50% or less leads to a large amount of unused Layer 1 capacity, eVolocity enables customers to reclaim this lost bandwidth. On top of this capability, we are using standard, off-the-shelf, 100GE coherent transceivers and, as coherent technology improves, we’ll integrate these enhancements into the product line. XKL customers will be taking advantage of both improved spectral efficiency in the optical domain, and superior efficiency in channel utilization. This is the XKL differentiator.”
eVolocity key features:
- Provides 100GE coherent line-side optics with 240Gb of client-side connectivity in a compact 1 RU form factor
- Bandwidth-on-demand with packet shaping using statistical multiplexing
- Digital ROADM and FlexArc technology, provides add/drop functionality in addition to point to point, ring and mesh topologies
- Low power consumption and smaller footprint, reducing recurring costs
- Offers bandwidth management at Layer 1, providing QoS for data demanding applications
- Interoperable with lit service or dark fiber
For more information on eVolocity and other XKL products, visit www.xkl.com.
Privately owned and operated by Cisco Systems co-founder Len Bosack, XKL provides high capacity DWDM optical networking products for robust enterprise deployment, service providers, and seamless cloud migration. The company is headquartered in Kirkland, Washington.