"superspintronics" is a word I just made up for this; combining superconductivity with spintronics;
https://phys.org/news/2018-04-superconductors-currents.html
Time will tell if this superspintronics will be even better than 'ordinary' spintronics.
If the word "superspintronic" is a bit too long, could rename it "superspinic".
17 Apr 18
Originally posted by @humysuperconspin?
"superspintronics" is a word I just made up for this; combining superconductivity with spintronics;
https://phys.org/news/2018-04-superconductors-currents.html
Time will tell if this superspintronics will be even better than 'ordinary' spintronics.
If the word "superspintronic" is a bit too long, could rename it "superspinic".
But what does it mean for technology? It might be great to have this spin thing but it is at superconductor temps, meaning we won't EVER see this stuff in our cell phones, right?
17 Apr 18
Originally posted by @sonhouseit would partly depend on whether practical not-too-expensive room temperature superconducters will ever be discovered, assuming such a thing is even physically possible, which it might not be.
But what does it mean for technology? It might be great to have this spin thing but it is at superconductor temps, meaning we won't EVER see this stuff in our cell phones, right?
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17 Apr 18
Originally posted by @humy"nano-light filament optics"
it would partly depend on whether practical not-too-expensive room temperature superconducters will ever be discovered, assuming such a thing is even physically possible, which it might not be.
The future of micro-device technologies.
17 Apr 18
Originally posted by @wolfe63The huge advantage of spintronics is the fact power consumption will be thousands of times less than regular TTL CMOS stuff we use now. CMOS was a big change in that for computer chips that do one and zero, in CMOS energy is only consumed when the chip flips states so if it sits unchanged, it takes almost no energy. But when you are switching in the gigahertz range, the energy used is still less but not insignificant. If we were stuck with the old TTL (Transistor transistor logic) they consume energy whether flipping bits or not, so a modern comp or memory chip would consume thousands of watts, not a few hundred or a few watts in the case of cell phone tech.
"nano-light filament optics"
The future of micro-device technologies.
The gist of all that is this: Fiber tech will pretty much be always consuming energy, at least as far as I know so it better be very low power to use like modern cell phone CPU's.
17 Apr 18
2 edits
Originally posted by @wolfe63I am afraid the laws of physics rules out photons alone going through an optical fiber less than half of the wavelength of that photon so, for example, making it impossible to send a green photon alone through a fiber only say 10nm wid. However, combining photons with excitations to form what is called 'polaritons' might be a workaround that;
"nano-light filament optics"
The future of micro-device technologies.
https://en.wikipedia.org/wiki/Polariton
Polaritons in theory can squeeze through much narrower spaces than photons alone but one catch is that they would then travel many times less than c.
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17 Apr 18
Originally posted by @humyGood point....hadn't considered that.
I am afraid the laws of physics rules out photons alone going through an optical fiber less than half of the wavelength of that photon so, for example, making it impossible to send a green photon alone through a fiber only say 10nm wid. However, combining photons with excitations to form what is called 'polaritons' might be a workaround that;
https://en.wik ...[text shortened]... r spaces than photons alone but one catch is that they would then travel many times less than c.
I guess I was over-focused upon power consumption and the elimination of IR squared losses.
Can photon wave amplitude be adjusted to a suit?
18 Apr 18
Originally posted by @wolfe63The amplitude of a light wave or any other RF signal, if the size of the fiber is right for the wavelength, which also holds for microwave waveguides, amplitude is a separate parameter uneffected by the size of the waveguide.
Good point....hadn't considered that.
I guess I was over-focused upon power consumption and the elimination of IR squared losses.
Can photon wave amplitude be adjusted to a suit?
20 Apr 18
2 edits
Originally posted by @humyhere is some recent research on polaritons but this time using them to enable quasiparticles carrying photons of light to squeeze through narrow sheets of graphene;
I am afraid the laws of physics rules out photons alone going through an optical fiber less than half of the wavelength of that photon so, for example, making it impossible to send a green photon alone through a fiber only say 10nm wid. However, combining photons with excitations to form what is called 'polaritons' might be a workaround that;
https://en.wik ...[text shortened]... r spaces than photons alone but one catch is that they would then travel many times less than c.
https://phys.org/news/2018-04-atom-atomic-lego-nanometer.html
But my best guess is that it will be spintronics rather than polariton-based circuity that would pan out in the long run because spintronics promises to be many times more energy efficient.