JP2002323383A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2002323383A5 JP2002323383A5 JP2002069610A JP2002069610A JP2002323383A5 JP 2002323383 A5 JP2002323383 A5 JP 2002323383A5 JP 2002069610 A JP2002069610 A JP 2002069610A JP 2002069610 A JP2002069610 A JP 2002069610A JP 2002323383 A5 JP2002323383 A5 JP 2002323383A5
- Authority
- JP
- Japan
- Prior art keywords
- signal
- electrical
- optical
- tone
- output signal
- 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
- 230000003287 optical effect Effects 0.000 claims 23
- 230000001427 coherent effect Effects 0.000 claims 8
- 238000001228 spectrum Methods 0.000 claims 6
- 238000005259 measurement Methods 0.000 claims 4
- 238000002347 injection Methods 0.000 claims 2
- 239000007924 injection Substances 0.000 claims 2
- 238000000034 method Methods 0.000 claims 2
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 JP2002323383A (ja) | 2002-11-08 |
| JP2002323383A5 true 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=) |
Families Citing this family (20)
| 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 |
| JP4419995B2 (ja) | 2006-08-16 | 2010-02-24 | 日本電気株式会社 | 光受信器の評価および調整方法ならびに光通信システム |
| 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 |
| US8744277B2 (en) * | 2009-03-19 | 2014-06-03 | Agilent Technologies, Inc. | Calibrating an optical downconverter |
| 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 |
| US20120170929A1 (en) * | 2011-01-03 | 2012-07-05 | Chongjin Xie | Apparatus And Method For Monitoring An Optical Coherent Network |
| 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 |
| DE102015114670A1 (de) * | 2015-09-02 | 2017-03-02 | Lios Technology Gmbh | Vorrichtung und Verfahren zur ortsaufgelösten Messung von Temperatur und/oder Dehnung vermittels Brillouin-Streuung |
| US9793984B2 (en) * | 2016-01-20 | 2017-10-17 | Ciena Corporation | Coherent receiver based virtual optical spectrum analyzer |
| FR3061309B1 (fr) * | 2016-12-27 | 2019-05-31 | Thales | Methode de traitement d'un signal issu d'un lidar coherent pour reduire le bruit et systeme lidar associe |
| 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
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2002323383A5 (https=) | ||
| Novak et al. | Analytic model for gain modulation in EDFAs | |
| JP2016517220A5 (https=) | ||
| Minardo et al. | A simple technique for reducing pump depletion in long-range distributed Brillouin fiber sensors | |
| CN205356347U (zh) | 用于光模块的多通道并行测试系统 | |
| WO2010144857A3 (en) | Method of detecting system function by measuring frequency response | |
| NO20061473L (no) | Flerpolet sendekilde | |
| DK1045988T3 (da) | Detektering og kontrol af svingninger i en vindmølle | |
| TW200712523A (en) | Method for measuring multiple parameters of a signal transmitted by a signal generator | |
| BRPI0410272A (pt) | método e arranjo em teste de malha de extremidade única de uma linha de sinal | |
| TW200801891A (en) | Dynamic timing adjustment in a circuit device | |
| EP1241807A3 (en) | Heterodyne optical spectrum analyzer with provisions for intensity noise subtraction | |
| CN105954353B (zh) | 一种综合声波衰减系数的测试方法及测试装置 | |
| GB2467082A (en) | Wellbore logging performance verification method and apparatus | |
| NO20030678D0 (no) | Fremgangsmåte og anordning for å måle linjedempning | |
| JP2005156339A (ja) | 波長分散測定方法及び装置 | |
| EP1796283A3 (en) | Method and device for crosstalk test in multi-subscriber communication line | |
| CN105467434B (zh) | 冲击夯可控震源变频伪随机编码扫描的控制方法 | |
| CN110048769B (zh) | 一种自适应频响特性测试装置及方法 | |
| JP5778317B1 (ja) | モード間パワー比測定方法、パワー比測定装置及びモード間パワー比測定システム | |
| TW200741237A (en) | Calibration device, calibration method, test apparatus and test method | |
| KR101595667B1 (ko) | 마이크로폰 테스트 장치 및 방법 | |
| Nackaerts et al. | Parameter estimation for dual-polarization plucked string models. | |
| Ereifej et al. | Intersymbol interference and timing jitter measurements in a 40-Gb/s long-haul dispersion-managed soliton system | |
| JP3516778B2 (ja) | 半導体試験装置における周波数測定方法 |