JP2020518146A5 - - Google Patents
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- JP2020518146A5 JP2020518146A5 JP2019547286A JP2019547286A JP2020518146A5 JP 2020518146 A5 JP2020518146 A5 JP 2020518146A5 JP 2019547286 A JP2019547286 A JP 2019547286A JP 2019547286 A JP2019547286 A JP 2019547286A JP 2020518146 A5 JP2020518146 A5 JP 2020518146A5
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- JP
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- Prior art keywords
- signal
- spectral
- power spectrum
- optical
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- 230000003287 optical effect Effects 0.000 claims description 92
- 230000003595 spectral effect Effects 0.000 claims description 74
- 238000001228 spectrum Methods 0.000 claims description 66
- 238000005314 correlation function Methods 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 21
- 238000001514 detection method Methods 0.000 claims description 17
- 230000002146 bilateral effect Effects 0.000 claims description 15
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 39
- 230000006870 function Effects 0.000 claims 13
- 230000010287 polarization Effects 0.000 claims 11
- 238000000354 decomposition reaction Methods 0.000 claims 9
- 239000006185 dispersion Substances 0.000 claims 6
- 238000012417 linear regression Methods 0.000 claims 4
- 230000001902 propagating effect Effects 0.000 claims 4
- 238000010408 sweeping Methods 0.000 claims 4
- 238000011144 upstream manufacturing Methods 0.000 claims 2
- 238000012935 Averaging Methods 0.000 claims 1
- 239000000835 fiber Substances 0.000 description 1
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201762490113P | 2017-04-26 | 2017-04-26 | |
| US62/490,113 | 2017-04-26 | ||
| PCT/IB2018/052423 WO2018197975A1 (en) | 2017-04-26 | 2018-04-06 | Noise-free measurement of the spectral shape of a modulated signal using spectral correlation |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2020518146A JP2020518146A (ja) | 2020-06-18 |
| JP2020518146A5 true JP2020518146A5 (enExample) | 2021-05-06 |
| JP7169980B2 JP7169980B2 (ja) | 2022-11-11 |
Family
ID=63918973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019547286A Active JP7169980B2 (ja) | 2017-04-26 | 2018-04-06 | スペクトル相関を使用した変調信号のスペクトル形状の無雑音測定 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US10727940B2 (enExample) |
| EP (1) | EP3616336B1 (enExample) |
| JP (1) | JP7169980B2 (enExample) |
| CN (1) | CN110383714B (enExample) |
| WO (1) | WO2018197975A1 (enExample) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10812183B2 (en) | 2019-02-15 | 2020-10-20 | Viavi Solutions Inc. | Mitigating polarization dependent loss (PDL) by transforming frequency components to a ball |
| EP3758258B1 (en) * | 2019-06-27 | 2023-04-12 | Viavi Solutions Inc. | Measuring linear and non-linear transmission perturbations in optical transmission systems |
| CN110768718B (zh) * | 2019-10-29 | 2021-05-11 | Oppo广东移动通信有限公司 | 紫外光通信方法及相关产品 |
| EP4128225B1 (en) * | 2020-03-30 | 2024-12-25 | Harman Becker Automotive Systems GmbH | Noise supression for speech enhancement |
| DE102020116094B4 (de) * | 2020-06-18 | 2022-02-10 | Carl Zeiss Spectroscopy Gmbh | Mehrzahl an baugleichen Spektrometern und Verfahren zu deren Kalibrierung |
| CN114079505B (zh) * | 2020-08-19 | 2023-07-18 | 华为技术有限公司 | 光信号的功率检测电路、系统、方法以及芯片 |
| CN114764569B (zh) * | 2020-12-30 | 2025-11-21 | 广东美的白色家电技术创新中心有限公司 | 一种拍振信息提取方法、装置、电子设备及存储介质 |
| US11515946B1 (en) | 2021-11-24 | 2022-11-29 | Rockwell Collins, Inc. | System and method for analog estimation and streaming of a spectral correlation function (SCF) |
| US11539431B1 (en) * | 2022-01-18 | 2022-12-27 | Huawei Technologies Co., Ltd. | Systems and methods for optical filter fault localization |
| US12126375B2 (en) | 2022-06-17 | 2024-10-22 | Cisco Technology, Inc. | Automatic trend identification and anomaly detection in optical channel monitoring spectrum |
| US12476712B2 (en) * | 2023-09-08 | 2025-11-18 | Huawei Technologies Co., Ltd. | Method and device for monitoring generalized optical signal-to-noise ratio, coherent receiver and network apparatus |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6256103B1 (en) | 2000-02-17 | 2001-07-03 | Agilent Technologies, Inc. | System and method for optical heterodyne detection of an optical signal |
| JP2002168691A (ja) * | 2000-11-28 | 2002-06-14 | Ando Electric Co Ltd | 雑音指数測定装置、及び、雑音指数測定方法 |
| US6515276B2 (en) | 2001-03-17 | 2003-02-04 | Agilent Technologies, Inc. | Heterodyne optical spectrum analyzer with provisions for intensity noise subtraction |
| US20120093501A1 (en) * | 2009-08-19 | 2012-04-19 | Exfo Inc. | In-Band Optical Noise Measurement Using Differential Polarization Response |
| WO2011022889A1 (zh) * | 2009-08-31 | 2011-03-03 | 华为技术有限公司 | 带内光信噪比的检测方法及装置 |
| EP2486678B1 (en) | 2010-02-15 | 2018-08-15 | Exfo Inc. | Reference-based in-band osnr measurement on polarization-multiplexed signals |
| EP2393223B1 (en) * | 2010-04-26 | 2013-01-16 | JDSU Deutschland GmbH | In-band SNR measurement based on spectral correlation |
| JP5631636B2 (ja) * | 2010-06-07 | 2014-11-26 | アンリツ株式会社 | Ｏｓｎｒ評価装置及びｏｓｎｒ評価方法 |
| EP2676384B1 (en) * | 2011-02-18 | 2021-03-31 | EXFO Inc. | Characterization of non-ase noise on optical signals |
| WO2014176626A1 (en) * | 2013-05-01 | 2014-11-06 | The University Of Sydney | A system and a method for generating information indicative of an impairment of an optical signal |
| US9596027B2 (en) * | 2013-05-03 | 2017-03-14 | Exfo Inc. | Signal deformation measurement on polarization-multiplexed signals |
| JP6273806B2 (ja) * | 2013-12-03 | 2018-02-07 | 富士通株式会社 | 光信号対雑音比モニタのための校正係数を生成する装置および方法 |
| EP3018839B1 (en) | 2014-11-05 | 2020-01-15 | EXFO Inc. | In-band noise and/or spectral deformation measurement on polarization-multiplexed signals |
| US9954610B2 (en) * | 2014-11-05 | 2018-04-24 | Exfo Inc. | In-band noise determination on optical communication signals |
| US9825698B2 (en) | 2014-12-09 | 2017-11-21 | Viavi Solutions Inc. | Determining in-band optical signal-to-noise ratio in polarization-multiplexed optical signals using signal correlations |
| JP6651881B2 (ja) * | 2016-02-04 | 2020-02-19 | 富士通株式会社 | 光受信器評価方法および光源装置 |
| US10367584B2 (en) * | 2016-07-29 | 2019-07-30 | PSquared Technologies LLC | Electro-mechanic-photonic delay line for analog signal processing |
| JP7003428B2 (ja) * | 2017-03-30 | 2022-01-20 | 富士通株式会社 | 不平衡補償装置、送信装置、受信装置、及び不平衡補償方法 |
| CN108088655B (zh) * | 2017-12-18 | 2019-05-10 | 南京航空航天大学 | 基于双边带调制与频移的光器件测量方法、装置 |
| US10677726B2 (en) * | 2017-12-19 | 2020-06-09 | International Business Machines Corporation | Tunable diode laser absorption spectroscopy with corrected laser ramping nonlinearities |
-
2018
- 2018-04-06 CN CN201880015245.8A patent/CN110383714B/zh active Active
- 2018-04-06 JP JP2019547286A patent/JP7169980B2/ja active Active
- 2018-04-06 EP EP18791589.7A patent/EP3616336B1/en active Active
- 2018-04-06 WO PCT/IB2018/052423 patent/WO2018197975A1/en not_active Ceased
-
2019
- 2019-06-19 US US16/445,992 patent/US10727940B2/en active Active
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