Integrated circuit chip
High-speed chips are integrated circuit chips specifically designed for handling high-speed data transmission. They are commonly used in network devices, communication systems, computers, and other applications requiring high-speed data transmission and processing. Based on their different functions, high-speed chips can be divided into several categories:
High-speed signal transmission chips: These chips play an auxiliary role in high-speed interface channels, acting as a bridge for signal transmission. Their main characteristics are identical input/output interfaces, unchanged data transmission format, and unchanged data content. Specifically, they can be divided into relay chips, switching chips, distribution chips, and matrix switching chips.
Relay chip: mainly used to enhance signal transmission capability, correct errors and restore clock.
Switching chip: Used to switch between different source information as input and output a high-speed signal from one of them.
Distribution chip: Divides a set of high-speed source information into multiple sets of identical output signals.
Matrix switching chip: Used for switching between multiple input high-speed signals and multiple output high-speed signals. 23
High-speed memory chips: These chips are used to store data and can be divided into two categories: volatile memory chips and non-volatile memory chips. They are widely used in various devices such as computers, mobile phones, cameras, and data centers for storing and processing various types of data. The speed and reliability of memory chips are constantly improving, while energy consumption is constantly decreasing. In the future, they will continue to develop towards higher speeds, larger capacities, and lower power consumption.
With the continuous development of technology, digitalization has become an indispensable part of our lives. Behind this digitalization lies the core technology of high-speed chips. High-speed chips refer to microprocessors running in electronic devices, capable of rapidly processing data and information, and playing a crucial role in the development of modern technology.
The advent of high-speed chips has enabled the widespread application of digital technology. From smartphones to computers, from smart homes to industrial control, high-speed chips play a crucial role. They have significantly improved the performance and speed of digital devices, making digital applications more accessible and convenient.
The importance of high-speed chips is constantly being proven. In the field of artificial intelligence, the application of high-speed chips is indispensable. Artificial intelligence requires massive amounts of data processing and computation, and the emergence of high-speed chips has accelerated its development. The application of high-speed chips not only improves the efficiency and accuracy of artificial intelligence but also provides broader space for its development.
The emergence of high-speed chips has also provided new opportunities for the development of the digital age. In the digital age, data processing and information transmission have become the most crucial links. The advent of high-speed chips makes data processing and information transmission more efficient, and provides a more stable and reliable foundation for the development of the digital age.
High-speed chips are a core technology of the digital age. Their emergence has made digital applications more widespread and convenient, while also providing broader space for the development of artificial intelligence. The application of high-speed chips has not only improved the performance and speed of digital devices, but also provided new opportunities for the development of the digital age.
High-speed signal transmission chip introduction
High-speed signal transmission chips are chips that play an auxiliary role in various high-speed interface channels, acting as a bridge for signal transmission. The main characteristics of high-speed signal transmission chips are: identical input/output interfaces, unchanged data transmission format, and unchanged data content. Based on their functions, high-speed signal transmission chips can be further subdivided into relay chips, switching chips, distribution chips, and matrix switching chips.
Relay chips are mainly used to enhance signal transmission capabilities and correct errors to restore the clock; switching chips are mainly used to switch different source information as input and output a high-speed signal from one source; distribution chips are mainly used to divide a set of high-speed source information into multiple identical output signals; matrix switching chips are mainly used for switching between multiple input high-speed signals and multiple output high-speed signals. The functional diagrams of the above-mentioned high-speed signal transmission chips are as follows:
(2) Overview of the High-Speed Signal Transmission Chip Market
As human society enters the digital age, the emergence and development of emerging digital industries such as the Internet of Things, cloud computing, artificial intelligence, 5G communications, and autonomous driving have led to an exponential increase in data transmission volume. Various high-speed transmission protocols are constantly being updated and upgraded, resulting in a continuous rise in demand for high-speed signal transmission chip solutions from end-user applications. In 2020, the global high-speed signal transmission chip market size was approximately RMB 3.414 billion, and it is projected to reach RMB 6.337 billion by 2025, representing a compound annual growth rate of 13.17% from 2020 to 2025.
In 2020, the market size of high-speed signal transmission chips in mainland China was approximately RMB 750 million. Benefiting from the development of downstream fields such as automotive displays, the market size of high-speed signal transmission chips in mainland China is expected to reach RMB 1.569 billion by 2025, with a compound annual growth rate of approximately 15.91% from 2020 to 2025, which is higher than the overall growth rate of the global market.
In cities like Zurich, Switzerland, fiber optic networks are widely used to provide high-speed internet, digital telephony, television, and web-based video or audio streaming services. However, by the end of this decade, even optical communication networks may reach their limits in terms of high-speed data transmission.
This is due to the growing demand for online services such as streaming media, storage, and computing, as well as the emergence of artificial intelligence and 5G networks. Current optical networks achieve data transmission rates in the gigabit per second (10^9 bits) range. The limitation per channel and wavelength is approximately 100 gigabit per second. However, future data transmission rate demands will reach the terabits per second (10^12 bits) range.
Innovation
Researchers at ETH Zurich have recently developed an ultra-high-speed chip that can accelerate data transmission in fiber optic networks. This chip combines several innovative technologies and represents a significant advancement given the growing demand for streaming media and online services. The related paper was published in the journal *Nature Electronics*.
ETH Zurich has achieved a goal that scientists have been pursuing for about two decades. In laboratory work as part of the EU's Horizon 2020 research program, they created this chip. High-speed electronic signals can be directly converted into ultra-high-speed optical signals on the chip with almost no loss of signal quality. This represents a major breakthrough in the efficiency of optical communication infrastructures that use light to transmit data, such as fiber optic networks.
technology
"The ever-increasing demand calls for new solutions," says Juerg Leuthold, professor in the Department of Photonics and Communications at ETH Zurich. "The key to this paradigm shift is combining electronic and photonic components onto a single chip." Photonics (the science of photonic particles) studies optical technologies used for information transmission, storage, and processing.
Researchers at ETH Zurich have now precisely achieved this combination. In experiments conducted in collaboration with partners from Germany, the United States, Israel, and Greece, they have for the first time combined electronic and optical components on the same chip. From a technical standpoint, this is a significant advancement, as currently these components must be fabricated on separate chips and then connected together by wires.
Ueli Koch, the lead author of the study and a postdoctoral researcher in Ruthold's group, explained that this approach has consequences: on the one hand, manufacturing electronic and photonic chips separately is very expensive. On the other hand, performance is affected during the conversion of electronic signals into optical signals, thus limiting the data transmission speed in fiber optic communication networks.
Koch stated, "If you use two separate chips to convert an electronic signal into an optical signal, the quality of your signal will be greatly compromised." Therefore, his approach started with a modulator. A modulator is a component located on a chip that generates light of a given intensity by converting an electrical signal into a light wave. The modulator must be as small as possible to avoid loss of quality and intensity during the conversion process and to transmit light (or data) at a faster speed.
This compactness is achieved by placing electronic and photonic components tightly on top of each other and connecting them directly to the chip via "on-chip vias." This stacking of electronic and photonic devices shortens transmission distances and reduces signal quality loss. Because the electronic and photonic devices are mounted on a single substrate, researchers describe this approach as "monolithic co-integration."
A monolithic "electron-plasma photon" high-speed emitter (Image source: Reference [1])
Over the past two decades, monolithic solutions have failed because photonic chips are much larger than electronic chips. This, according to Jürg Ruthold, has prevented their integration onto a single chip. The size of photonic components also makes them incompatible with the complementary metal-oxide-semiconductor (CMOS) technology prevalent in today's electronics.
"We have now replaced conventional photonic devices with plasma-photonic devices, solving the size difference problem between photonic and electronic devices," said Ruthold. For a decade, scientists have been predicting that plasma-photonics, a branch of photonics, will lay the foundation for ultra-high-speed chips. Plasmonics allows light waves to be squeezed into structures much smaller than the wavelength of light.
This single chip combines electronic and plasma-photon technologies, enabling it to amplify optical signals and transmit data much faster. (Image credit: IEF/Springer Nature Ltd.)
Because plasma photonic chips are smaller than electronic chips, we can now actually fabricate more compact monolithic chips that include both photonic and electronic layers. To convert electrical signals into faster optical signals, the photonic layer (the red part in the image above) contains a plasma photonic intensity modulator, which is based on a metallic structure that guides light to achieve higher speeds.
This also leads to a speed boost in the electronic layer (the blue part in the image above). In a process called “4:1 multiplexing,” four low-speed input signals are bundled and amplified so that they are combined to form a high-speed electrical signal. Koch explains, “It is then converted into a high-speed optical signal. In this way, for the first time, we have been able to transmit data at speeds exceeding 100 gigabits per second on a single chip.”
To achieve record-breaking speeds, researchers combined not only plasma photonics with classic CMOS technology, but also the faster bipolar complementary metal-oxide-semiconductor (BiCMOS) technology. They also utilized novel temperature-stable electro-optical materials from the University of Washington and drew upon insights from the Horizon 2020 projects PLASMofab and plaCMOS. According to Ruthold, their experiments demonstrate that these technologies can be combined to create the fastest small chips: “We firmly believe that this solution will also pave the way for faster data transmission in future optical communication networks.”
