A 10-Gbps × 12-Channel Pluggable Parallel Optical Transceiver Based on CXP Interface Specifications

Abstract

A novel 10-Gbps × 12-channel pluggable parallel optical transceiver is designed and fabricated. Compared with other optical transceivers, this transceiver emphasizes small size, high-density, low power consumption, and high transmission speed. Most importantly, its optical coupling structure is simplified to promote cost-effective large-scale production. This transceiver is electrically pluggable and consists of transmitter and receiver modules linked by parallel multi-mode fibers. Each module consists of a six-layered high-speed, high-density printed circuit board, the size of which is 30 mm × 18 mm × 1 mm, packaged with optoelectronic devices and corresponding control chips. The printed circuit boards not only provide a high-speed electrical connection between the I/O interfaces and high-speed chips, but they also supply power and ground planes to those chips. End-to-end error-free transmission at 10.3125 Gbps was obtained for a 2³¹ ? 1 non-return-to-zero pseudo-random bit sequence.     

降低结构参数对高速凸轮输出响应影响的设计方法

对高速凸轮进行简单的动力学建模,建立并求解其动力学方程。用正弦加速度运动规律凸轮作为研究对象,并且考虑输入轴速度波动,分析了系统质量、系统刚度这些结构参数对系统输出运动规律的影响。作出输出相应曲线,以此为依据设计凸轮系统。     

Cascaded energy-optimized linear volume hologram array for 1-to-many surface-normal even fan-outs

Optimization of fan-out energy distribution for substrate guided wave optical interconnects with a surface-normal configuration is addressed in this paper. Up to nine optimized waveguide holograms are independently fabricated on the same substrate. Energy fluctuation affected by the deviation of the designed diffraction efficiency is theoretically analysed. Using DuPont photopolymer film HRF-600X001-20, we demonstrate 1-to-5 and 1-to-9 surface-normal fan-out devices operating at 850 nm. The output non-uniformities of ±4% and ±10% are experimentally confirmed for the two devices, respectively.