Class information for:
Level 1: CLOCK RECOVERY//ALL OPTICAL CLOCK RECOVERY//NONLINEAR OPTICAL LOOP MIRROR

Basic class information
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
13 4 PHYSICS, PARTICLES & FIELDS//PHYSICS, NUCLEAR//OPTICS 1062565
33 3       OPTICS//IEEE PHOTONICS TECHNOLOGY LETTERS//JOURNAL OF LIGHTWAVE TECHNOLOGY 112980
78 2             IEEE PHOTONICS TECHNOLOGY LETTERS//JOURNAL OF LIGHTWAVE TECHNOLOGY//OPTICAL FIBER COMMUNICATION 27533
5902 1                   CLOCK RECOVERY//ALL OPTICAL CLOCK RECOVERY//NONLINEAR OPTICAL LOOP MIRROR 1586

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 CLOCK RECOVERY authKW 754187 6% 43% 88
2 ALL OPTICAL CLOCK RECOVERY authKW 604482 2% 82% 37
3 NONLINEAR OPTICAL LOOP MIRROR authKW 471924 3% 51% 47
4 OPTICAL CLOCK RECOVERY authKW 311869 1% 83% 19
5 OPTICAL TIME DIVISION MULTIPLEXING OTDM authKW 276706 2% 41% 34
6 RATIONAL HARMONIC MODE LOCKING authKW 223867 1% 87% 13
7 DEMULTIPLEXING authKW 220497 3% 24% 47
8 TIME DIVISION MULTIPLEXING authKW 179275 3% 18% 49
9 OPTICAL PULSE GENERATION authKW 161928 3% 16% 51
10 FABRY PEROT FILTER FPF authKW 158961 1% 100% 8

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Optics 40214 66% 0% 1040
2 Engineering, Electrical & Electronic 17549 61% 0% 969
3 Physics, Applied 3172 30% 0% 480
4 Telecommunications 2149 10% 0% 165
5 Physics, Multidisciplinary 18 3% 0% 54
6 Architecture 1 0% 0% 1
7 Urban Studies -0 0% 0% 1
8 Physics, Mathematical -1 1% 0% 8
9 Mathematics, Applied -2 1% 0% 17
10 Engineering, Aerospace -2 0% 0% 1

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ELE OMECH OPT ENGN 59611 0% 100% 3
2 SSCSD 895 59611 0% 100% 3
3 OPT NETWORKING ADV TECHNOL GRP 44706 0% 75% 3
4 FITEL PHOTON 42916 1% 20% 11
5 RD COMMUN PROJECT 39740 0% 100% 2
6 NETWORKS DEVICES S 39736 0% 50% 4
7 PHOTON NETWORKS 39712 1% 13% 16
8 SERV ELE OMAGNETISME TELECOMMUN 31030 1% 16% 10
9 ALL OPT NETWORKS ADV COMMUN NETWORKS 28897 0% 36% 4
10 OPT NETWORK SYST S 26680 1% 7% 18

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 IEEE PHOTONICS TECHNOLOGY LETTERS 112022 19% 2% 305
2 ELECTRONICS LETTERS 50027 20% 1% 316
3 JOURNAL OF LIGHTWAVE TECHNOLOGY 14637 6% 1% 96
4 OPTICS COMMUNICATIONS 12396 8% 0% 129
5 OPTICS LETTERS 8311 7% 0% 113
6 IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS 5165 2% 1% 33
7 IEEE JOURNAL OF QUANTUM ELECTRONICS 4621 3% 1% 45
8 OPTICS EXPRESS 3645 5% 0% 82
9 OPTICAL FIBER TECHNOLOGY 3561 1% 1% 15
10 CHINESE OPTICS LETTERS 2387 1% 1% 19

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 CLOCK RECOVERY 754187 6% 43% 88 Search CLOCK+RECOVERY Search CLOCK+RECOVERY
2 ALL OPTICAL CLOCK RECOVERY 604482 2% 82% 37 Search ALL+OPTICAL+CLOCK+RECOVERY Search ALL+OPTICAL+CLOCK+RECOVERY
3 NONLINEAR OPTICAL LOOP MIRROR 471924 3% 51% 47 Search NONLINEAR+OPTICAL+LOOP+MIRROR Search NONLINEAR+OPTICAL+LOOP+MIRROR
4 OPTICAL CLOCK RECOVERY 311869 1% 83% 19 Search OPTICAL+CLOCK+RECOVERY Search OPTICAL+CLOCK+RECOVERY
5 OPTICAL TIME DIVISION MULTIPLEXING OTDM 276706 2% 41% 34 Search OPTICAL+TIME+DIVISION+MULTIPLEXING+OTDM Search OPTICAL+TIME+DIVISION+MULTIPLEXING+OTDM
6 RATIONAL HARMONIC MODE LOCKING 223867 1% 87% 13 Search RATIONAL+HARMONIC+MODE+LOCKING Search RATIONAL+HARMONIC+MODE+LOCKING
7 DEMULTIPLEXING 220497 3% 24% 47 Search DEMULTIPLEXING Search DEMULTIPLEXING
8 TIME DIVISION MULTIPLEXING 179275 3% 18% 49 Search TIME+DIVISION+MULTIPLEXING Search TIME+DIVISION+MULTIPLEXING
9 OPTICAL PULSE GENERATION 161928 3% 16% 51 Search OPTICAL+PULSE+GENERATION Search OPTICAL+PULSE+GENERATION
10 FABRY PEROT FILTER FPF 158961 1% 100% 8 Search FABRY+PEROT+FILTER+FPF Search FABRY+PEROT+FILTER+FPF

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.

Classes with closest relation at Level 1


rank cluster_id2 link
1 6516 SEMICONDUCTOR OPTICAL AMPLIFIER//KOLAGHAT THERMAL POWER STN//ALL OPTICAL LOGIC GATE
2 9079 MODE LOCKED LASERS//OPTICAL PULSE GENERATION//SEMICONDUCTOR LASERS
3 23048 OPTOELECTRONIC OSCILLATOR//OPTOELECTRONIC OSCILLATOR OEO//MICROWAVE GENERATION
4 8145 OPTICAL PARAMETRIC AMPLIFIER//FIBER OPTICAL PARAMETRIC AMPLIFIER//FOUR WAVE MIXING FWM
5 23365 PHOTONIC SAMPLING//TIME STRETCH//OPTICAL QUANTIZATION
6 3501 SEMICONDUCTOR OPTICAL AMPLIFIER//WAVELENGTH CONVERSION//SEMICONDUCTOR OPTICAL AMPLIFIER SOA
7 7142 OPTICAL PULSE SHAPING//MICROWAVE PHOTON//TEMPORAL TALBOT EFFECT
8 26736 OPTICAL FREQUENCY COMB OFC//OPTICAL FREQUENCY COMB//RECIRCULATING FREQUENCY SHIFTER
9 7184 MODULATION FORMAT//DIFFERENTIAL PHASE SHIFT KEYING DPSK//FORMAT CONVERSION
10 3566 DISPERSION MANAGEMENT//SOLITON TRANSMISSION//DISPERSION MANAGED SOLITONS

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