Military Technology

"Photonic chip?"

Hearing these four words, everyone present couldn't help but be moved.

If you want to say what has received the most attention in recent years, it must be non-chips.

Due to the suppression and restrictions of certain countries, the development of the chip industry in our country is very difficult, and it also makes it difficult for many industries that need chips.

This can be said to have become an important obstacle restricting the development of our country's high-tech industries.

"I remember you said at your press conference before that this technology seems to be used in the manufacture of the lens group of the extreme ultraviolet light source, which is the core component of the lithography machine?" Solution.

Wu Hao nodded and said, "Actually, the principles are the same. With this manufacturing process, we can process multiple layers of lenses on one lens. Theoretically, this number can be infinite, depending on the lens." What is the thickness of the material.

The core of the lithography machine is the exposure machine. The so-called exposure machine is actually a beam of ultraviolet light source that is concentrated and compressed into nano-scale extreme ultraviolet light through a lens and prism group, so as to be used for exposure and etching of integrated circuits on silicon wafers.

To put it bluntly, the exposure machine is actually a sophisticated optical device composed of many complicated lenses.

And our technology can simplify such a complex lens module. It is only necessary to engrave or print these lens modules in a special transparent glass according to the relevant layout, so that the huge exposure machine lenses are highly concentrated.

In this way, not only the extreme ultraviolet light source produced is not only pure, but also has a shorter wavelength and sharper, and can manufacture chips with a smaller process.

Secondly, compared to complex and expensive exposure machines, it seems that the technology not only has a simpler structure, but also can greatly reduce costs. "

After explaining it again, Wu Hao finally said: "Then, speaking of the photonic chip, it can also be called a photonic computer.

The so-called photonic computer is a new type of computer that performs digital operations, logic operations, information storage and processing by optical signals.

It consists of lasers, optical mirrors, lenses, filters and other optical components and equipment. Rely on the laser beam to enter the array composed of mirrors and lenses for information processing, replace electrons with photons, and replace electrical operations with optical operations.

The parallelism and high speed of light naturally determine that photonic computers have strong parallel processing capabilities and ultra-high computing speeds.

Photonic computers also have fault tolerance similar to that of the human brain. When a component in the system is damaged or goes wrong, the final calculation result will not be affected.

The information distortion and distortion caused by the transmission of photons in the optical medium are extremely small, the energy consumption and heat dissipation during optical transmission and conversion are extremely low, and the requirements for environmental conditions are much lower than those of electronic computers. "

After speaking, Wu Hao pointed to the bright cube in front of him and said to everyone.

"According to the idea and structure of integrated circuits, we, or countless scientists who conduct research in this area, envisage concentrating a variety of optoelectronic components on one chip to manufacture integrated optical circuits.

As we all know, the so-called chip is actually a large-scale micro-integrated circuit. And what we have to do is to replace the large-scale integrated circuits in the chip with integrated optical circuits.

In fact, research in this area has already begun.

Since 1970, a new discipline called integrated optics has emerged in the field of optics.

In recent years, through the development of optical communication, optical switching, and optical information processing technology, various photonic integrated devices have been successfully developed.

The overall system that manufactures optical memory, optical switch, light source, and optical waveguide on one chip is realized.

Even polarizers, optical filters, optical amplifiers, optical modulators, lenses, prisms, gratings, optical attenuators and other optical components are made of thin films on a motherboard, which greatly reduces the space occupied by the optical path and makes a Micro-integrated optical circuit.

It is used for high-speed transmission and processing of optical signals, realizing low power consumption, high performance, convenience and high efficiency.

The bright cube you see in front of you is the core photonic chip in a photonic computer we have manufactured.

Of course, it's just a model, not a finished product. After all, the entire photonic computer is a complex system engineering, and this alone is far from enough.

However, we have also established a photonic computer and integrated optical circuit research project team with the optics and computer departments of several universities.

At present, this project is progressing smoothly. The photonic chip model we see now is actually derived from one of the principle verification models of this project team. "

Hearing Wu Hao's introduction, everyone couldn't help but focus on this bright cube.

Although we don't know much about photonic computers, everyone knows that it represents the development direction of future computer technology.

It is said that its performance will be N times that of the current traditional computer. Perhaps a complex mathematical formula, currently the fastest supercomputer needs to calculate a few months, but with a photonic computer, it may take a few seconds.

With such a photonic computer with extremely fast operation speed, it will really change our current human life.

Such cutting-edge technologies as astrophysics, life materials, chemical pharmaceuticals, and national defense engineering will all bring about leapfrog development.

Not to mention anything else, let’s just talk about some research and development projects of ultra-cutting-edge weapons. If such a photon computer with amazing computing power joins in, it will greatly speed up the research and development progress of these projects.

For example, new nuclear weapons, such as the fourth-generation nuclear weapons that the major nuclear powers have been researching in recent years, the metal nitrogen "N2 explosive bomb".

Not only is it more powerful than the hydrogen bomb, the most powerful nuclear weapon for mankind, but it is also more environmentally friendly and free of pollution.

In the research of such cutting-edge weapons, super-huge calculations are indispensable, which involves countless data formulas.

If such a photonic computer that surpasses all current supercomputers can be added, it will greatly catalyze the development progress of the entire project. Completing the research and development of such ultra-short weapons earlier than others will greatly consolidate our country's national defense strength.

Therefore, looking at the bright cube in front of them, everyone's eyes shone.

"Good stuff, good technology!"

"I think this technology and this project must be taken seriously. It is not enough to have you and a few universities and colleges doing research, and more scientific research forces should be added.

For example, domestic research institutes and laboratories in related fields, as well as some scientific research forces of our military will also join in. "

General Xiao patted Wu Hao and said solemnly: "Time waits for no one. In the face of the current complicated international situation, if our country wants to revive and rise, we cannot do without such an artifact that supports and promotes various fields. help."

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