Class information for:
Level 1: OPTICAL PERFORMANCE MONITORING//OPTICAL PERFORMANCE MONITORING OPM//OPTICAL SIGNAL TO NOISE RATIO OSNR

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
18396 553 14.0 62%


Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
10 4 OPTICS//PHYSICS, PARTICLES & FIELDS//PHYSICS, MULTIDISCIPLINARY 1131262
185 3       IEEE PHOTONICS TECHNOLOGY LETTERS//OPTICS//JOURNAL OF LIGHTWAVE TECHNOLOGY 56126
110 2             IEEE PHOTONICS TECHNOLOGY LETTERS//JOURNAL OF LIGHTWAVE TECHNOLOGY//OPTICAL FIBER COMMUNICATION 25200
18396 1                   OPTICAL PERFORMANCE MONITORING//OPTICAL PERFORMANCE MONITORING OPM//OPTICAL SIGNAL TO NOISE RATIO OSNR 553

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 OPTICAL PERFORMANCE MONITORING authKW 2588411 11% 76% 62
2 OPTICAL PERFORMANCE MONITORING OPM authKW 1135875 4% 86% 24
3 OPTICAL SIGNAL TO NOISE RATIO OSNR authKW 911039 6% 50% 33
4 CHROMATIC DISPERSION MONITORING authKW 717814 2% 100% 13
5 OPTICAL SAMPLING authKW 525690 5% 37% 26
6 ASYNCHRONOUS SAMPLING authKW 513620 4% 47% 20
7 OPTICAL SIGNAL TO NOISE RATIO OSNR MONITORING authKW 441732 1% 100% 8
8 CHROMATIC DISPERSION CD authKW 326747 3% 31% 19
9 LINEAR OPTICAL SAMPLING authKW 300620 1% 78% 7
10 ALL OPTICAL SAMPLING authKW 245959 1% 64% 7

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 Optics 19086 76% 0% 421
2 Engineering, Electrical & Electronic 6532 63% 0% 347
3 Telecommunications 3605 22% 0% 120
4 Physics, Applied 971 29% 0% 158
5 Computer Science, Hardware & Architecture 40 2% 0% 10
6 Computer Science, Information Systems 25 2% 0% 13
7 Instruments & Instrumentation 5 2% 0% 10
8 Engineering, General -0 1% 0% 3
9 Computer Science, Artificial Intelligence -2 0% 0% 1
10 Physics, Multidisciplinary -2 1% 0% 6

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 ADV TRANSPORT SYST 176691 1% 80% 4
2 OPT NETWORKING ADV TECHNOL PLANNING 147241 1% 67% 4
3 ENGN NEXT GENERAT INTERNET ACESS SYST 110433 0% 100% 2
4 OPTOELETRON SCI ENGN 110433 0% 100% 2
5 RD COMMUN PROJECT 110433 0% 100% 2
6 NICTA LTD 70989 1% 43% 3
7 AMPLIFIER TEST DEV 55216 0% 100% 1
8 BIOMED ENGN COMMUN GRP 55216 0% 100% 1
9 CHINA UNICOM 55216 0% 100% 1
10 IANT COMMUN 55216 0% 100% 1

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 IEEE PHOTONICS TECHNOLOGY LETTERS 52632 22% 1% 124
2 JOURNAL OF LIGHTWAVE TECHNOLOGY 23251 13% 1% 71
3 OPTICS EXPRESS 7069 12% 0% 66
4 ELECTRONICS LETTERS 6681 12% 0% 69
5 IEEE PHOTONICS JOURNAL 3918 2% 1% 12
6 OPTICAL FIBER TECHNOLOGY 3916 2% 1% 9
7 CHINESE OPTICS LETTERS 3294 2% 0% 13
8 JOURNAL OF OPTICAL COMMUNICATIONS AND NETWORKING 2681 1% 1% 7
9 JOURNAL OF OPTICAL NETWORKING 2467 1% 1% 4
10 IET OPTOELECTRONICS 2275 1% 1% 4

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class		 LCSH search Wikipedia search
1 OPTICAL PERFORMANCE MONITORING 2588411 11% 76% 62 Search OPTICAL+PERFORMANCE+MONITORING Search OPTICAL+PERFORMANCE+MONITORING
2 OPTICAL PERFORMANCE MONITORING OPM 1135875 4% 86% 24 Search OPTICAL+PERFORMANCE+MONITORING+OPM Search OPTICAL+PERFORMANCE+MONITORING+OPM
3 OPTICAL SIGNAL TO NOISE RATIO OSNR 911039 6% 50% 33 Search OPTICAL+SIGNAL+TO+NOISE+RATIO+OSNR Search OPTICAL+SIGNAL+TO+NOISE+RATIO+OSNR
4 CHROMATIC DISPERSION MONITORING 717814 2% 100% 13 Search CHROMATIC+DISPERSION+MONITORING Search CHROMATIC+DISPERSION+MONITORING
5 OPTICAL SAMPLING 525690 5% 37% 26 Search OPTICAL+SAMPLING Search OPTICAL+SAMPLING
6 ASYNCHRONOUS SAMPLING 513620 4% 47% 20 Search ASYNCHRONOUS+SAMPLING Search ASYNCHRONOUS+SAMPLING
7 OPTICAL SIGNAL TO NOISE RATIO OSNR MONITORING 441732 1% 100% 8 Search OPTICAL+SIGNAL+TO+NOISE+RATIO+OSNR+MONITORING Search OPTICAL+SIGNAL+TO+NOISE+RATIO+OSNR+MONITORING
8 CHROMATIC DISPERSION CD 326747 3% 31% 19 Search CHROMATIC+DISPERSION+CD Search CHROMATIC+DISPERSION+CD
9 LINEAR OPTICAL SAMPLING 300620 1% 78% 7 Search LINEAR+OPTICAL+SAMPLING Search LINEAR+OPTICAL+SAMPLING
10 ALL OPTICAL SAMPLING 245959 1% 64% 7 Search ALL+OPTICAL+SAMPLING Search ALL+OPTICAL+SAMPLING

Core articles
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.


Rank Reference # ref.
in cl.		 Shr. of ref. in
cl.		 Citations
1 DONG, ZH , KHAN, FN , SUI, Q , ZHONG, KP , LU, C , LAU, APT , (2016) OPTICAL PERFORMANCE MONITORING: A REVIEW OF CURRENT AND FUTURE TECHNOLOGIES.JOURNAL OF LIGHTWAVE TECHNOLOGY. VOL. 34. ISSUE 2. P. 525 -543 48 72% 2
2 PAN, ZQ , YU, CY , WILLNER, AE , (2010) OPTICAL PERFORMANCE MONITORING FOR THE NEXT GENERATION OPTICAL COMMUNICATION NETWORKS.OPTICAL FIBER TECHNOLOGY. VOL. 16. ISSUE 1. P. 20 -45 44 52% 75
3 TAN, MC , KHAN, FN , AL-ARASHI, WH , ZHOU, YD , LAU, APT , (2014) SIMULTANEOUS OPTICAL PERFORMANCE MONITORING AND MODULATION FORMAT/BIT-RATE IDENTIFICATION USING PRINCIPAL COMPONENT ANALYSIS.JOURNAL OF OPTICAL COMMUNICATIONS AND NETWORKING. VOL. 6. ISSUE 5. P. 441-448 17 89% 13
4 WESTLUND, M , ANDREKSON, PA , SUNNERUD, H , HANSRYD, J , LI, J , (2005) HIGH-PERFORMANCE OPTICAL-FIBER-NONLINEARITY-BASED OPTICAL WAVEFORM MONITORING.JOURNAL OF LIGHTWAVE TECHNOLOGY. VOL. 23. ISSUE 6. P. 2012-2022 21 78% 71
5 LAU, APT , LI, ZH , KHAN, FN , LU, C , WAI, PKA , (2011) ANALYSIS OF SIGNED CHROMATIC DISPERSION MONITORING BY WAVEFORM ASYMMETRY FOR DIFFERENTIALLY-COHERENT PHASE-MODULATED SYSTEMS.OPTICS EXPRESS. VOL. 19. ISSUE 5. P. 4147-4156 16 89% 3
6 ZHAO, DH , XI, LX , TANG, XF , ZHANG, WB , QIAO, YJ , ZHANG, XG , (2014) PERIODIC TRAINING SEQUENCE AIDED IN-BAND OSNR MONITORING IN DIGITAL COHERENT RECEIVER.IEEE PHOTONICS JOURNAL. VOL. 6. ISSUE 4. P. - 14 93% 2
7 VO, TD , SCHRODER, J , CORCORAN, B , VAN ERPS, J , MADDEN, SJ , CHOI, DY , BULLA, DAP , LUTHER-DAVIES, B , PELUSI, MD , EGGLETON, BJ , (2012) PHOTONIC-CHIP-BASED ULTRAFAST WAVEFORM ANALYSIS AND OPTICAL PERFORMANCE.IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS. VOL. 18. ISSUE 2. P. 834-846 34 40% 1
8 LI, P , JIANG, L , ZHANG, JG , ZHANG, JZ , WANG, YC , (2015) LOW-COMPLEXITY TOAD-BASED ALL-OPTICAL SAMPLING GATE WITH ULTRALOW SWITCHING ENERGY AND HIGH LINEARITY.IEEE PHOTONICS JOURNAL. VOL. 7. ISSUE 4. P. - 16 76% 2
9 LUIS, RS , TEIXEIRA, A , MONTEIRO, P , (2009) OPTICAL SIGNAL-TO-NOISE RATIO ESTIMATION USING REFERENCE ASYNCHRONOUS HISTOGRAMS.JOURNAL OF LIGHTWAVE TECHNOLOGY. VOL. 27. ISSUE 5-8. P. 731-743 15 94% 9
10 WU, Z , YU, Y , ZHANG, XL , (2012) CHROMATIC DISPERSION MONITORING FOR NRZ-DPSK SYSTEM USING ASYNCHRONOUS AMPLITUDE HISTOGRAM EVALUATION.IEEE PHOTONICS JOURNAL. VOL. 4. ISSUE 4. P. 1212 -1219 15 88% 0

Classes with closest relation at Level 1


Rank Class id link
1 7490 POLARIZATION MODE DISPERSION PMD//POLARIZATION MODE DISPERSION//OPTICAL FIBER POLARIZATION
2 6898 MODULATION FORMAT//DIFFERENTIAL PHASE SHIFT KEYING DPSK//FORMAT CONVERSION
3 10861 PULSE CHARACTERIZATION//OPTICAL PULSE MEASUREMENTS//FREQUENCY RESOLVED OPTICAL GATING
4 5222 CLOCK RECOVERY//ALL OPTICAL CLOCK RECOVERY//NONLINEAR OPTICAL LOOP MIRROR
5 1325 COHERENT DETECTION//COHERENT COMMUNICATIONS//OPT NETWORKS GRP
6 8174 DISPERSION COMPENSATION//GRATINGS IN FIBERS//FIBER BRAGG GRATING
7 17870 HOMODYNE CROSSTALK//OPTICAL CROSSTALK//BIDIRECTIONAL TRANSMISSION
8 5090 FOUR WAVE MIXING//FOUR WAVE MIXING FWM//OPTICAL PARAMETRIC AMPLIFIER
9 20252 PHOTONIC SAMPLING//TIME STRETCH//OPTICAL QUANTIZATION
10 7280 ELASTIC OPTICAL NETWORKS//JOURNAL OF OPTICAL COMMUNICATIONS AND NETWORKING//ROUTING AND SPECTRUM ALLOCATION

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