An 8×10 GHz receiver optical sub-assembly （ROSA） consisting of an 8-channel arrayed waveguide grating （AWG） and an 8-channel PIN photodetector （PD） array is designed and fabricated based on silica hybrid in...An 8×10 GHz receiver optical sub-assembly （ROSA） consisting of an 8-channel arrayed waveguide grating （AWG） and an 8-channel PIN photodetector （PD） array is designed and fabricated based on silica hybrid integration technology. Multimode output waveguides in the silica AWG with 2% refractive index difference are used to obtain fiat-top spectra. The output waveguide facet is polished to 45° bevel to change the light propagation direction into the mesa-type PIN PD, which simplifies the packaging process. The experimentM results show that the single channel I dB bandwidth of AWG ranges from 2.12nm to 3.06nm, the ROSA responsivity ranges from 0.097 A/W to 0.158A/W, and the 3dB bandwidth is up to 11 GHz. It is promising to be applied in the eight-lane WDM transmission system in data center interconnection.展开更多
The era of mobile Internet is coming, broadband digital communication technology is in the stage of continuous development and progress, with us moving towards the era of mobile Internet. This paper first analyzes the...The era of mobile Internet is coming, broadband digital communication technology is in the stage of continuous development and progress, with us moving towards the era of mobile Internet. This paper first analyzes the connotation and characteristics of broadband digital communication technology, then analyzes the concept of signaling and multi-channel communication technology, establishes a wide range of digital communication receiving channel model that can perform high performance, and discusses simulation. Finally, in view of this communication technology, the development of the possible realization of their own prospects in the future, for the development of broadband digital communication technology and practical application to provide relevant data support.展开更多
基金Supported by the National High Technology Research and Development Program of China under Grant No 2015AA016902the National Natural Science Foundation of China under Grant Nos 61435013 and 61405188the K.C.Wong Education Foundation
文摘An 8×10 GHz receiver optical sub-assembly （ROSA） consisting of an 8-channel arrayed waveguide grating （AWG） and an 8-channel PIN photodetector （PD） array is designed and fabricated based on silica hybrid integration technology. Multimode output waveguides in the silica AWG with 2% refractive index difference are used to obtain fiat-top spectra. The output waveguide facet is polished to 45° bevel to change the light propagation direction into the mesa-type PIN PD, which simplifies the packaging process. The experimentM results show that the single channel I dB bandwidth of AWG ranges from 2.12nm to 3.06nm, the ROSA responsivity ranges from 0.097 A/W to 0.158A/W, and the 3dB bandwidth is up to 11 GHz. It is promising to be applied in the eight-lane WDM transmission system in data center interconnection.
文摘The era of mobile Internet is coming, broadband digital communication technology is in the stage of continuous development and progress, with us moving towards the era of mobile Internet. This paper first analyzes the connotation and characteristics of broadband digital communication technology, then analyzes the concept of signaling and multi-channel communication technology, establishes a wide range of digital communication receiving channel model that can perform high performance, and discusses simulation. Finally, in view of this communication technology, the development of the possible realization of their own prospects in the future, for the development of broadband digital communication technology and practical application to provide relevant data support.
