JP6468629B2 - Wdmコヒーレント伝送方式 - Google Patents
Wdmコヒーレント伝送方式 Download PDFInfo
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- JP6468629B2 JP6468629B2 JP2014096621A JP2014096621A JP6468629B2 JP 6468629 B2 JP6468629 B2 JP 6468629B2 JP 2014096621 A JP2014096621 A JP 2014096621A JP 2014096621 A JP2014096621 A JP 2014096621A JP 6468629 B2 JP6468629 B2 JP 6468629B2
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- optical
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- wdm
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
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- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Optical Communication System (AREA)
Description
2 DEMUX回路(送信部)
3 QAM変調器
4 MUX回路
5 光伝送路
6 DEMUX回路(受信部)
7 ホモンダイン検波回路
100 GHz帯モード同期レーザ
110 周波数間隔安定化機構
111 光カプラ
112 クロック抽出回路
113 マイクロ波基準信号
114 ダブルバランスミキサー
115 負帰還制御回路
120,120’ 光周波数安定化機構
121 光カプラ
122 キャリアエンベロープオフセット周波数検出回路
123 マイクロ波基準信号
124 ダブルバランスミキサー
125 負帰還制御回路
126 縦モード抽出回路
127 光周波数基準器
128 負帰還制御回路
130 スペクトル拡大機構
131 高出力光増幅器
132 パルス圧縮回路
133 スペクトル整形回路
140 CWレーザ
150 パルス整形回路
151 光コム生成回路
152 分散性媒質
153 スペクトル整形回路
Claims (1)
- 波長分割多重(WDM: Wavelength Division Multiplexing)技術を用いた多値WDMコヒーレント伝送方式であって、同一の光周波数を有する周波数安定化光コムを送信器と受信器とに独立に配置し、該周波数安定化光コムの各縦モード成分を各チャンネルの光キャリア信号あるいはそれに対応した局発光信号として利用し、
同一の光周波数を有する前記周波数安定化光コムを前記送信器と前記受信部とに独立に配置することにより、ホモダイン受信回路内に光キャリア周波数のずれに対する補償機構が不要であり、
前記周波数安定化光コムは、1オクターブ法を用いてマイクロ波の基準信号源に光周波数とその周波数間隔とを絶対安定化したものから成ることを
特徴とするWDMコヒーレント伝送方式。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2014096621A JP6468629B2 (ja) | 2014-05-08 | 2014-05-08 | Wdmコヒーレント伝送方式 |
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JP2014096621A JP6468629B2 (ja) | 2014-05-08 | 2014-05-08 | Wdmコヒーレント伝送方式 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015216437A JP2015216437A (ja) | 2015-12-03 |
JP6468629B2 true JP6468629B2 (ja) | 2019-02-13 |
Family
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JP2014096621A Active JP6468629B2 (ja) | 2014-05-08 | 2014-05-08 | Wdmコヒーレント伝送方式 |
Country Status (1)
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JP (1) | JP6468629B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108347283B (zh) * | 2018-03-09 | 2023-09-29 | 中国科学院西安光学精密机械研究所 | 基于微腔光孤子晶体频梳的相干光通信系统 |
JP7315928B2 (ja) * | 2020-07-02 | 2023-07-27 | 日本電信電話株式会社 | 光信号サンプリング装置及び光信号サンプリング方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US7561807B2 (en) * | 2006-01-17 | 2009-07-14 | Alcatel-Lucent Usa Inc. | Use of beacons in a WDM communication system |
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2014
- 2014-05-08 JP JP2014096621A patent/JP6468629B2/ja active Active
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JP2015216437A (ja) | 2015-12-03 |
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