[The Guardian] Twisted fibre optic light breakthrough could make the Internet 100 times faster - Page 2 - Overclock.net - An Overclocking Community

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[The Guardian] Twisted fibre optic light breakthrough could make the Internet 100 times faster

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post #11 of 30 (permalink) Old 10-25-2018, 07:41 PM
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Quote: Originally Posted by Tadaen Sylvermane View Post
Fixed it for you.
Rotfl.

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post #12 of 30 (permalink) Old 10-25-2018, 10:49 PM
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If the repeaters don't need to be replaced, I'm guessing that the current infrastructure can be upgradable at the end points...
100x without having to dig out fiber lines? Just what we need for 10 Gigabit internet.
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post #13 of 30 (permalink) Old 10-25-2018, 11:06 PM
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Quote: Originally Posted by EniGma1987 View Post
More bandwidth. Light cannot go any faster so no way to improve latency there.
Light typically travels about 30% slower through a fiber optic cable than through a vacuum, so there is considerable room for improvement even in this regard.

https://www.wired.com/2013/03/intern...peed-of-light/

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post #14 of 30 (permalink) Old 10-26-2018, 01:07 AM
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post #15 of 30 (permalink) Old 10-26-2018, 07:33 AM
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Quote: Originally Posted by Blameless View Post
Light typically travels about 30% slower through a fiber optic cable than through a vacuum, so there is considerable room for improvement even in this regard.

https://www.wired.com/2013/03/intern...peed-of-light/
....No, there is not considerable room for improvement in latency. Sure, there is work being done, but it's in the very early stages and doing it without loss or signal degradation is very hard.

Yes, lower latency would be good - but not if you have to compensate for it in other areas of your network design.

Quote: Originally Posted by drewafx View Post
If the repeaters don't need to be replaced, I'm guessing that the current infrastructure can be upgradable at the end points...
100x without having to dig out fiber lines? Just what we need for 10 Gigabit internet.
No, you absolutely would have to upgrade the entire link. Transmitters, modulators, multiplexing switches, the fiber itself, the mid-span amplifiers and dispersion compensation, demultiplexing switches, and receivers all have to change. Otherwise, you'd be splicing on this special stuff to the normal stuff, and the angular momentum information wouldn't handle the transition well.

Last edited by Mand12; 10-26-2018 at 07:38 AM.
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post #16 of 30 (permalink) Old 10-26-2018, 08:25 AM
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Quote: Originally Posted by Mand12 View Post
....No, there is not considerable room for improvement in latency.
Increasing the speed of light through the fiber optic medium used would decrease latency proportionally. The speed of light through a fiber optic cable is significantly below the speed of light through a vacuum. It is also possible to significantly close this gap. Therefore, there is considerable room for improvement in latency.

Quote: Originally Posted by Mand12 View Post
Sure, there is work being done, but it's in the very early stages and doing it without loss or signal degradation is very hard.

Yes, lower latency would be good - but not if you have to compensate for it in other areas of your network design.
The difficulty or the timetable for this is neither here nor there.

I was simply pointing out that the speed of light is not fixed.

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post #17 of 30 (permalink) Old 10-26-2018, 08:36 AM
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Pointing out that the speed of light in media is not fixed is not the same as claiming it can be "significantly closed" in the specific case of telecommunications fiber. The former is true, the latter is much less likely to be true. I started to go into the details of why, details you promptly ignored. If you want, I can go into more detail on it as optical engineering is my profession, but you seem to just want to poke holes while knowing little about the details.
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post #18 of 30 (permalink) Old 10-26-2018, 10:57 AM
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Light is calculated with the refractive index. It bounces inside the cable.




I think the only constant thing in this reality is that there are no constants./\

https://www.livescience.com/29111-sp...-constant.html

You just can't count on anything! :rant:


Hey, this is a great read, I did not know they have found photons that are not defined by Planck's constant. I have always believed that was an immutable constant.

https://www.sciencealert.com/physici...-form-of-light

I'm still a bit confused on whether it is possible to slow a photon down now or they are just finding new types of photons.

Just got interrupted in the middle of this read right now.

https://www.sciencealert.com/physici...-form-of-light

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post #19 of 30 (permalink) Old 10-26-2018, 01:38 PM
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Quote: Originally Posted by drewafx View Post
If the repeaters don't need to be replaced, I'm guessing that the current infrastructure can be upgradable at the end points...
100x without having to dig out fiber lines? Just what we need for 10 Gigabit internet.
Hold your horses, most ISP's didnt even ditch dial up, let alone the other forms of internet over copper....

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post #20 of 30 (permalink) Old 10-26-2018, 02:17 PM
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Honestly speaking, these "breakthroughs" are cool but they have almost zero practical application in the real world. We aren't even tapping into the maximum capability of what a coaxial cable can handle, much less actual fiber connections, so why are people trying to progress beyond that for the general public, or even enterprise, for that matter?

You can push gigabit speeds through coaxial connections, easily. Why aren't they doing it? Money.

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