Wireless may be fast, but fiber reigns supreme; imagine a 43Tbps connection

Wireless may be fast, but fiber reigns supreme; imagine a 43Tbps connection
While we are thoroughly enjoying faster LTE data speeds across much of the United States and elsewhere in the world, the truth is there are inherent limitations to wireless technology that we have not been able to overcome just yet.

Science will certainly find a way to not only squeeze more bandwidth and throughput out of spectrum, but also find solutions to enhance and increase coverage.

Even with those ideas implemented and we find ourselves enjoying a future of unhindered data and coverage, the fact is that once our signal hits the antenna, things live in a “wired” world. Indeed, a huge factor in the data speeds we enjoy is affected by this infrastructure (also referred to as “backhaul”).

In rural areas, engineered circuits are more than capable to provide the necessary bandwidth to an available user base with several hundred megabytes per second of transport at the ready. In the urban areas, those connections are made via fiber, transmitting data through different wavelengths of light (frequency, intensity, and color). Data speeds are measured on an Optical Carrier (OC) scale, outrunning traditional circuits by a long shot. Whereas engineered digital signal connections will max-out at roughly 400Mbps, common commercial fiber connections are usually made using SONET (Synchronous Optical Network) rings and point-to-point with OC-48, or better, connections (2.5Gbps or more).

In research applications, optical technology is achieving data speeds that just stifle the imagination. Recently in China, switchgear manufacturer ZTE and China Telecom were able to sustain an error free 1-terabit-per-second connection over a single strand of fiber spanning 3,200 kilometers for 24 hours straight.

Meanwhile, at the Technical University of Denmark (DTU), a team of researchers were able to shatter records by transmitting a 43Tbps signal over a single strand of fiber using only one trasmitter. To put that in perspective, 43-terabits-per-second (Tbps) is 43,000,000 megabits-per-second (Mbps), or basically a million times faster than what some folks see with their connections today. If that still does not make sense, imagine downloading your favorite full-HD movie in less than a millisecond. A 1GB file would take about 0.2 milliseconds.

DTU’s accomplishment is not quite double the previous record of 26Tbps set by the Karlsruhe Institute in Germany. The fiber used in DTU’s research was developed by NTT in Japan. It is one strand of fiber, but each strand has seven “cores” or threads. DTU used one laser to transmit the data, and all seven cores of the “multi-core” fiber, lending itself to such blazing speeds.

What does this mean for us the end user? Nothing in the near term, but as industrial applications become more cost effective with technological development, expect the “wired” side of the house to advance with the “wireless” technology for consumers.

source: DTU



1. anas_12345

Posts: 26; Member since: Mar 05, 2014

thats really unbelievable

2. Finalflash

Posts: 4063; Member since: Jul 23, 2013

It also is never going to happen in North America because of the damn monopolistic douchebags that are in control (unless Google fibers them to death).

3. Drsarcastic

Posts: 136; Member since: Jul 23, 2014

I hope that one day Google fiber will force isps to give us the Internet we deserve.

5. techperson211

Posts: 1280; Member since: Feb 27, 2014

Amazing innovation by Japan.

16. marcski07

Posts: 600; Member since: Apr 25, 2014

wow US are still complaining with their ISPs, meanwhile on other country (3rd world country) oligarchs controls all sh!ts of service, water, electricity and internet, we have 3mbps for $22.8... -_-

7. Jinto

Posts: 436; Member since: Jan 15, 2014

Download all of NSA in seconds!

10. 0xFFFF

Posts: 3806; Member since: Apr 16, 2014

NSA downloads all in seconds! FTFY.

4. wilsong17 unregistered

never going to happen in the usa they have to replace all old line and shi^t plus company have a dam monopoly only lucky people are the one with google fiber

6. gorkapr

Posts: 74; Member since: Aug 23, 2012

Thats easy, force the companies to switch, how? Make a request with a lot o people, if they don't want it, then do not use their service, that's easy!

8. baldilocks

Posts: 1516; Member since: Dec 14, 2008

Doesn't matter how fast your home connection is. You can only receive information as fast as it comes to you. So if the server you are requesting from is on DSL, that's as fast as you are going to get it...

9. devonblue4u

Posts: 68; Member since: Apr 12, 2011

With speeds like that, who needs a home computer. A chromebook would do.

11. 0xFFFF

Posts: 3806; Member since: Apr 16, 2014

Because all good Americans love to waste resources, right?

12. gigaraga

Posts: 1454; Member since: Mar 29, 2013

Literally light speed? When will this become global so my downloads aren't wasting some time? :DD

13. andynaija

Posts: 1259; Member since: Sep 08, 2012

"2.5Gpbs or more" Got a little confused about that until I realized it was a typo.

14. mike2959

Posts: 695; Member since: Oct 08, 2011

Having been to over 15 countries, saying that the US wireless industry is a monopoly is absolutely false. With 4 major carrier's 3 large regional player's, and I can't even count how many MVNO'S, it's anything but a monopoly. China has 2 carrier's, both run by the government. As a matter of fact no country has as many cell phone providers as the US.

15. rihel_95

Posts: 305; Member since: Mar 21, 2012

in india(kolkata), i use broadband that's 512kilobitspersecond for Rs 800(12 us dollar) per month, unlimited downloading. god save us.


Posts: 27; Member since: Apr 13, 2011

you can download the whole internet

18. Armchair_Commentator

Posts: 222; Member since: May 08, 2014

This is incredible, but it is gonna take some big changes or a looooot of time for this to hit mainstream US, as it stands I have 2 choices, and they both suck!

19. linaresx

Posts: 101; Member since: Jun 13, 2013

Time to update the string in my tin can telephone. Youtube should work a lot better.

20. Mreveryphone

Posts: 1822; Member since: Apr 22, 2014

I live in the Kansas City area and have Google Fiber and let me tell you it's fast! Things that took minutes to download now take seconds. Other ISP's and TV providers should be very afraid. My buddy told me the other day he was updating some apps on his iPhone and 3 updates took less than a second to update... Not each but all three at once...

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