Blogs

Optical/DCI

In this service we provide ongoing analysis of developments in global markets for optical transport products in the long-haul DWDM, metro C|DWDM, and integrated packet optical transport; for legacy optical transport products in the SONET/SDN, MSPP, and digital cross-connect categories; and analysis ...

BLOG

Jan. 31, 2022

In my January 4th blog Warnings about 5G in C-Band, Hype or Reality?  I examined the public record concerning how the cellular carriers were about to turn up new #5G services on the spectrum C-Band that risk interfering with the operation of radio altimeters of airplanes. As the mobile net ...

BLOG

Jan. 11, 2022

Open optical networking, the optical network design methodology that disaggregates transponders from the underlying optical line systems1, appears to be gaining momentum in the marketplace. To better understand the demand for and the potential impact of open optical networking on the evolution of se ...

BLOG

Jan. 4, 2022

As is so often the case, several of the recent articles about 5G, such as the NPR article https://www.npr.org/2021/12/21/1066240779/boeing-airbus-5g-wireless-delay-aircraft-safety-concerns, only tell one side of the story, that of the aviation industry. The article reports that, according to Re ...

BLOG

Nov. 30, 2021

Open optical networking, the optical network design methodology that disaggregates transponders from the underlying optical line systems[1], appears to be gaining momentum in the marketplace. To better understand the demand for and the potential impact of open optical networking on the evolution of ...

BLOG

Jan. 28, 2020

At the March 2016 OFC conference, Inphi announced its delivery of a 100G, QSFP28, PAM-4, pluggable transceiver with 80km reach. PAM technology has been utilized for 100G transmissions (Inphi is a specialist in this area) before but at much shorter distances. Pulse-amplitude modulation (PAM) is an an ...

BLOG

Jan. 28, 2020

The financial and analyst community tend to roll up equipment vendors’ revenues for product lines into a single high-order number to gauge market size and simplify the reporting and analysis. GAAP reinforces this mindset as the majority of public companies that are equipment and/or software supplier ...