发明授权
- 专利标题： Light modulation circuit
- 专利标题（中）： 光调制电路
-
申请号： US14418386申请日： 2013-09-26
-
公开(公告)号： US09128348B1公开(公告)日： 2015-09-08
- 发明人: Hiroshi Yamazaki , Hiroshi Takahashi , Takashi Goh , Takashi Saida , Kiyofumi Kikuchi
- 申请人： NIPPON TELEGRAPH AND TELEPHONE CORPORATION
- 申请人地址： JP Tokyo
- 专利权人： NIPPON TELEGRAPH AND TELEPHONE CORPORATION
- 当前专利权人： NIPPON TELEGRAPH AND TELEPHONE CORPORATION
- 当前专利权人地址： JP Tokyo
- 代理机构： Workman Nydegger
- 优先权： JP2012-217233 20120928
- 国际申请： PCT/JP2013/005744 WO 20130926
- 国际公布： WO2014/050123 WO 20140403
- 主分类号： G02F1/035
- IPC分类号： G02F1/035 ; G02F1/225 ; G02F1/21
摘要：
An optical modulation circuit includes: a first Mach-Zehnder modulating portion including a first output port and a second output port, wherein the first Mach-Zehnder modulating portion is push-pull driven by a main signal; a second Mach-Zehnder modulating portion connected to the first output port of the first Mach-Zehnder modulating portion, wherein the second Mach-Zehnder modulating portion is push-pull driven by a correction signal; and an asymmetric light combining portion combining an optical signal outputted from an output port of the second Mach-Zehnder modulating portion with an optical signal outputted from the second output port of the first Mach-Zehnder modulating portion in a light intensity coupling ratio of r to 1−r, wherein an optical path length from the first output port to the asymmetric light combining portion is substantially equal to an optical path length from the second output port to the asymmetric light combining portion.
公开/授权文献
- US20150261059A1 LIGHT MODULATION CIRCUIT 公开/授权日：2015-09-17
信息查询
