JP2002323383A - 強度ノイズを低減するための機能を有するヘテロダイン光スペクトル分析器 - Google Patents
強度ノイズを低減するための機能を有するヘテロダイン光スペクトル分析器Info
- Publication number
- JP2002323383A JP2002323383A JP2002069610A JP2002069610A JP2002323383A JP 2002323383 A JP2002323383 A JP 2002323383A JP 2002069610 A JP2002069610 A JP 2002069610A JP 2002069610 A JP2002069610 A JP 2002069610A JP 2002323383 A JP2002323383 A JP 2002323383A
- Authority
- JP
- Japan
- Prior art keywords
- optical
- signal
- tone
- input
- receiver
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/60—Receivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/60—Receivers
- H04B10/61—Coherent receivers
- H04B10/64—Heterodyne, i.e. coherent receivers where, after the opto-electronic conversion, an electrical signal at an intermediate frequency [IF] is obtained
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/811220 | 2001-03-17 | ||
| US09/811,220 US6515276B2 (en) | 2001-03-17 | 2001-03-17 | Heterodyne optical spectrum analyzer with provisions for intensity noise subtraction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002323383A true JP2002323383A (ja) | 2002-11-08 |
| JP2002323383A5 JP2002323383A5 (https=) | 2005-09-02 |
Family
ID=25205925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002069610A Pending JP2002323383A (ja) | 2001-03-17 | 2002-03-14 | 強度ノイズを低減するための機能を有するヘテロダイン光スペクトル分析器 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US6515276B2 (https=) |
| EP (1) | EP1241807A3 (https=) |
| JP (1) | JP2002323383A (https=) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7949260B2 (en) | 2006-08-16 | 2011-05-24 | Nec Corporation | Evaluation and adjustment method of optical receiver and optical communication system |
| JP2012521118A (ja) * | 2009-03-19 | 2012-09-10 | アジレント・テクノロジーズ・インク | 光ダウンコンバータの較正 |
| JP2014503142A (ja) * | 2011-01-03 | 2014-02-06 | アルカテル−ルーセント | 光コヒーレントネットワークを監視するための装置および方法 |
| JP2017049255A (ja) * | 2015-09-02 | 2017-03-09 | リオス テクノロジー ゲーエムベーハーLIOS Technology GmbH | ブリルアン散乱によって温度および/または歪を空間分解測定するための装置および方法 |
| JP2020503530A (ja) * | 2016-12-27 | 2020-01-30 | タレス | 雑音を低減するためにコヒーレントライダーからの信号を処理する方法及び関連するライダーシステム |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6856400B1 (en) | 2000-12-14 | 2005-02-15 | Luna Technologies | Apparatus and method for the complete characterization of optical devices including loss, birefringence and dispersion effects |
| US7162165B2 (en) | 2002-08-02 | 2007-01-09 | Agilent Technologies, Inc. | Kalman filter assembly intensity noise subtraction for optical heterodyne receivers |
| US20040047639A1 (en) * | 2002-09-05 | 2004-03-11 | Mcalexander William Ian | Neural network filter for adaptive noise substraction in optical heterodyne signals |
| DE10337913B4 (de) * | 2003-08-18 | 2017-01-05 | Rohde & Schwarz Gmbh & Co. Kg | Meß- oder Testgerät mit austauschbaren Funktionseinheiten |
| US20050078317A1 (en) * | 2003-10-14 | 2005-04-14 | Law Joanne Y. | Synchronizing the filter wavelength of an optical filter with the wavelength of a swept local oscillator signal |
| US7315172B2 (en) * | 2005-08-05 | 2008-01-01 | National Instruments Corporation | Method for measuring spectral noise densities beyond instrument capability with deterministic confidence levels |
| JP2010192470A (ja) * | 2009-02-13 | 2010-09-02 | Canon Inc | 計測装置、露光装置及びデバイスの製造方法 |
| JP5373485B2 (ja) * | 2009-06-10 | 2013-12-18 | カール ツァイス メディテック インコーポレイテッド | Oct装置及びその干渉信号レベル制御方法 |
| EP2605027B8 (en) * | 2011-12-12 | 2023-12-06 | Rohde & Schwarz GmbH & Co. KG | A switch-extender and a method for calibrating |
| CN102540170B (zh) * | 2012-02-10 | 2016-02-10 | 江苏徕兹光电科技股份有限公司 | 基于双波长激光管相位测量的校准方法及其测距装置 |
| CN104168068B (zh) * | 2013-05-16 | 2018-08-14 | 爱斯福公司 | 用于集成相干接收器的共模抑制比表征的方法和系统 |
| US9793984B2 (en) * | 2016-01-20 | 2017-10-17 | Ciena Corporation | Coherent receiver based virtual optical spectrum analyzer |
| WO2018197975A1 (en) | 2017-04-26 | 2018-11-01 | Exfo Inc. | Noise-free measurement of the spectral shape of a modulated signal using spectral correlation |
| US10637581B2 (en) * | 2018-03-20 | 2020-04-28 | Lumentum Operations Llc | Dynamic range for a heterodyne optical channel monitor |
| JP7235963B2 (ja) * | 2019-03-11 | 2023-03-09 | 日本電信電話株式会社 | 光受信機の評価方法及び光受信機の評価装置 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6400479B1 (en) * | 1999-12-20 | 2002-06-04 | Sycamore Networks, Inc. | Optical power balancer for optical amplified WDM networks |
| US6259529B1 (en) * | 2000-02-17 | 2001-07-10 | Agilent Technologies, Inc. | Wavelength-selective polarization-diverse optical heterodyne receiver |
-
2001
- 2001-03-17 US US09/811,220 patent/US6515276B2/en not_active Expired - Fee Related
- 2001-12-19 EP EP01130312A patent/EP1241807A3/en not_active Withdrawn
-
2002
- 2002-03-14 JP JP2002069610A patent/JP2002323383A/ja active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7949260B2 (en) | 2006-08-16 | 2011-05-24 | Nec Corporation | Evaluation and adjustment method of optical receiver and optical communication system |
| JP2012521118A (ja) * | 2009-03-19 | 2012-09-10 | アジレント・テクノロジーズ・インク | 光ダウンコンバータの較正 |
| JP2014503142A (ja) * | 2011-01-03 | 2014-02-06 | アルカテル−ルーセント | 光コヒーレントネットワークを監視するための装置および方法 |
| JP2017049255A (ja) * | 2015-09-02 | 2017-03-09 | リオス テクノロジー ゲーエムベーハーLIOS Technology GmbH | ブリルアン散乱によって温度および/または歪を空間分解測定するための装置および方法 |
| JP2020503530A (ja) * | 2016-12-27 | 2020-01-30 | タレス | 雑音を低減するためにコヒーレントライダーからの信号を処理する方法及び関連するライダーシステム |
Also Published As
| Publication number | Publication date |
|---|---|
| US20020130255A1 (en) | 2002-09-19 |
| EP1241807A2 (en) | 2002-09-18 |
| EP1241807A3 (en) | 2004-08-11 |
| US6515276B2 (en) | 2003-02-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
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| A601 | Written request for extension of time |
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| A602 | Written permission of extension of time |
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| A521 | Request for written amendment filed |
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| A02 | Decision of refusal |
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