But so far, Wade explains,
photonic devices used in chip - to - chip communication have been primarily custom - built using specialized methods, limiting their commercial applicability.
The ability to produce high - performing
photonic devices using the CMOS process means chip designers will not have to be specialists to design photonic devices, Wade explained, which will hopefully accelerate the commercialization of photonic technology.
Not exact matches
Replacing the electronic components that connect
devices with
photonic components could cut energy
use by 20 to 75 percent, Justin Norman, a graduate student at UC Santa Barbara, said.
The method
used by Yu and colleagues of directly inserting light into the cavity through the end of the fiber proved far more robust, making the technology a plausible platform for cheap and compact optical - resonator - based
photonic devices.
«We already
use optical cables and
photonic switches in some of our telecommunications
devices.
For example,
photonic crystals based on this design could be
used to make large - volume single - mode laser
devices.
This is exciting for integrated
photonics because most optical
devices use interactions between two or more waves, which need to propagate in sync as they move through the circuit.
Now, engineers have demonstrated that low power
photonic devices can be fabricated
using standard chip - making processes.
But these so - called
photonic devices are typically built
using customized methods that make them difficult and expensive to manufacture.
The optomechanical
device used in this experiment is called a «
photonic crystal nanocavity» (PCN).
This approach may allow the
use of optical methods to make high - speed measurements of nanometric defects in computer chips and
photonic devices.
The
devices, called optical isolators, may help solve major data capacity and system size challenges for
photonic integrated circuits, the light - based equivalent of electronic circuits, which are
used for computing and communications.
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used in the manufacture of Thin - Film Transistors, cleanroom years preferred,
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devices.