公开(公告)号：US20150270905A1

公开(公告)日：2015-09-24

申请号：US14615350

申请日：2015-02-05

Applicant: ACACIA COMMUNICATIONS INC.

Inventor： Christian RASMUSSEN ,  Seo Yeon PARK ,  Mehrdad GIVEHCHI

IPC: H04B10/54

CPC classification number: H04B10/541 ,  H04B10/50575

Abstract: Disclosed are bias control methods for Mach-Zehnder modulators for the generation of optical QAM signals while ensuring correct I/Q polarity of the generated optical QAM signal. One exemplary method involves temporarily offsetting I and Q biases from ideal transmission null bias points while another illustrative method temporarily makes I and Q data streams identical.

Abstract translation: 公开了用于产生光QAM信号的马赫 - 曾德调制器的偏置控制方法，同时确保产生的光QAM信号的正确的I / Q极性。 一个示例性方法包括将I和Q偏移暂时偏离理想透射零偏置点，而另一说明性方法暂时使I和Q数据流相同。