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Patent Searching and Data


Title:
OPTICAL N-LEVEL QUADRATURE AMPLITUDE MODULATION (NQAM) GENERATION BASED ON PHASE MODULATOR
Document Type and Number:
WIPO Patent Application WO/2018/145599
Kind Code:
A1
Abstract:
A technique for tuning a silicon photonics (SiP) based nested (parent/child) Mach-Zehnder modulator (MZM). The technique includes a sequence of applying dither tones on individual arms of the child MZMs (4a, 4b), observing changes in the output of the MZM, and adjusting the MZM until reaching the null points for the child MZMs (4a, 4b) and the quad point for the parent MZM (4c).

Inventors:
SHEN, Jinxi (7259 Bamoral Way, San Ramon, California, 94582, US)
SHI, Zhong (5660 Signal Hill Drive, Dublin, California, 94568, US)
SHAN, Na (Room 1102, Unit 1Building No.C14,Guanshan Road, Hongshan Distric, Wuhan Hubei 9, 430079, CN)
Application Number:
CN2018/074971
Publication Date:
August 16, 2018
Filing Date:
February 01, 2018
Export Citation:
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Assignee:
HUAWEI TECHNOLOGIES CO., LTD. (Huawei Administration Building, Bantian Longgang Distric, Shenzhen Guangdong 9, 518129, CN)
International Classes:
G02F1/225; G02F1/01; G02F1/21; H04B10/54
Foreign References:
US9835928B12017-12-05
GB2535495A2016-08-24
US20140169740A12014-06-19
US20130209021A12013-08-15
CN101599800A2009-12-09
CN102854695A2013-01-02
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