Abstract
The silicon photon technology platform is low transmission loss, small size, low cost of the process and easy integration with electronic components and other characteristics. It is designed to design high-density optical communication network system has a considerable advantage. Such as high-density wavelength division multiplexing (DWDM) system, that is through the different wavelengths of signal processing. So that it can be used for optical connection switches, routing and other applications. It composed of a DWDM system, through the Mach-Zehnder interferometer, ring resonator (Add/Drop), array waveguide grating (AWG) and grating coupler and other structural components. It is designed by components to filter, switch, adjust and detect functions. The characteristics of the ring resonator are for wavelength selection. It is suitable for the design of optical switches, signal switching and modulation applications. It is also the focus of this lab and this chapter to explore and study. The general edge coupling, between the optical fiber and the waveguide dimension is very different. As a result, larger insertion loss is caused. This study uses the vertical coupling method to investigate the characteristics of a ring resonator.
Highlights
Silicon-based photonic devices have complementary metal oxide semiconductor (CMOS) process compatible, small size, communication band transparent, anti-radiation and so on. It is precisely because of large bandwidth, low latency, low power consumption, low crosstalk and other advantages [13–21]. Emerging information technologies such as optical communications, optical interconnects and optical sensing based on the integration of silicon photonics demonstrate the development trend of building new information hardware
The prior art approach required the introduction of a separate light source from outside the photonic chip or the use of an on-chip hybrid integrated light gain material
The photonic integrated chip needs among high efficiency, large bandwidth and easy integration of the optical coupling structure both in and out of the chip
Summary
Silicon-based photonic devices have complementary metal oxide semiconductor (CMOS) process compatible, small size, communication band transparent, anti-radiation and so on It is precisely because of large bandwidth, low latency, low power consumption, low crosstalk and other advantages [13–21]. Emerging information technologies such as optical communications, optical interconnects and optical sensing based on the integration of silicon photonics demonstrate the development trend of building new information hardware. The grating coupler uses the vertical diffractive optical field of the on-chip optical waveguide to realize the optical signal input or output of the wafer It has the advantages of easy online on-chip testing, no wafer or wafer pretreatment, and no strict space limitations. This research mainly expounds the development status and future trend of grating coupler in recent years
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