Class information for:
Level 1: COHERENT DETECTION//COHERENT COMMUNICATIONS//OPT NETWORKS GRP

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
2528 2146 18.8 57%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)


ID, lev.
above		 Publications Label for level above
52 28909 IEEE PHOTONICS TECHNOLOGY LETTERS//JOURNAL OF LIGHTWAVE TECHNOLOGY//OPTICAL FIBER COMMUNICATION

Terms with highest relevance score


Rank Term Type of term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 COHERENT DETECTION Author keyword 73 33% 8% 182
2 COHERENT COMMUNICATIONS Author keyword 59 56% 3% 71
3 OPT NETWORKS GRP Address 34 45% 3% 57
4 QUADRATURE AMPLITUDE MODULATION QAM Author keyword 27 32% 3% 71
5 POLARIZATION MULTIPLEXED QUADRATURE PHASE SHIFT KEYING PM QPSK Author keyword 26 100% 1% 11
6 COHERENT OPTICAL ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING CO OFDM Author keyword 21 71% 1% 17
7 QUADRATURE PHASE SHIFT KEYING QPSK Author keyword 18 38% 2% 38
8 GN MODEL Author keyword 18 89% 0% 8
9 NYQUIST PULSE SHAPING Author keyword 17 100% 0% 8
10 COHERENT COMMUNICATION Author keyword 16 41% 1% 30

Web of Science journal categories

Author Key Words


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class		 LCSH search Wikipedia search
1 COHERENT DETECTION 73 33% 8% 182 Search COHERENT+DETECTION Search COHERENT+DETECTION
2 COHERENT COMMUNICATIONS 59 56% 3% 71 Search COHERENT+COMMUNICATIONS Search COHERENT+COMMUNICATIONS
3 QUADRATURE AMPLITUDE MODULATION QAM 27 32% 3% 71 Search QUADRATURE+AMPLITUDE+MODULATION+QAM Search QUADRATURE+AMPLITUDE+MODULATION+QAM
4 POLARIZATION MULTIPLEXED QUADRATURE PHASE SHIFT KEYING PM QPSK 26 100% 1% 11 Search POLARIZATION+MULTIPLEXED+QUADRATURE+PHASE+SHIFT+KEYING+PM+QPSK Search POLARIZATION+MULTIPLEXED+QUADRATURE+PHASE+SHIFT+KEYING+PM+QPSK
5 COHERENT OPTICAL ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING CO OFDM 21 71% 1% 17 Search COHERENT+OPTICAL+ORTHOGONAL+FREQUENCY+DIVISION+MULTIPLEXING+CO+OFDM Search COHERENT+OPTICAL+ORTHOGONAL+FREQUENCY+DIVISION+MULTIPLEXING+CO+OFDM
6 QUADRATURE PHASE SHIFT KEYING QPSK 18 38% 2% 38 Search QUADRATURE+PHASE+SHIFT+KEYING+QPSK Search QUADRATURE+PHASE+SHIFT+KEYING+QPSK
7 GN MODEL 18 89% 0% 8 Search GN+MODEL Search GN+MODEL
8 NYQUIST PULSE SHAPING 17 100% 0% 8 Search NYQUIST+PULSE+SHAPING Search NYQUIST+PULSE+SHAPING
9 COHERENT COMMUNICATION 16 41% 1% 30 Search COHERENT+COMMUNICATION Search COHERENT+COMMUNICATION
10 POLARIZATION DEMULTIPLEXING 15 82% 0% 9 Search POLARIZATION+DEMULTIPLEXING Search POLARIZATION+DEMULTIPLEXING

Key Words Plus


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 COHERENT OPTICAL OFDM 83 67% 4% 76
2 QPSK 47 52% 3% 65
3 FEEDFORWARD CARRIER RECOVERY 47 79% 1% 30
4 16 QAM 38 63% 2% 38
5 DIGITAL BACKPROPAGATION 33 77% 1% 23
6 FIBER NONLINEARITY 32 62% 2% 33
7 OFDM TRANSMISSION 31 53% 2% 41
8 IMPAIRMENT COMPENSATION 27 83% 1% 15
9 COHERENT DETECTION 26 39% 2% 52
10 BACKWARD PROPAGATION 24 91% 0% 10

Journals

Reviews


Title Publ. year Cit. Active
references		 % act. ref.
to same field
Optical orthogonal frequency division multiplexed transmission using all-optical discrete Fourier transform 2013 5 29 83%
Optical orthogonal division multiplexing for long haul optical communications: A review of the first five years 2011 16 89 70%
Digital coherent optical communication systems: fundamentals and future prospects 2011 11 20 75%
Coherent detection in optical fiber systems 2008 260 78 23%
Shannon's theory in nonlinear systems 2011 7 30 70%
Functional integrated modulators and receivers utilizing PLC hybrid integration technology for coherent transmission 2011 0 6 50%

Address terms


Rank Address term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 OPT NETWORKS GRP 34 45% 2.7% 57
2 NICTA LTD 14 100% 0.3% 7
3 UCL ELECT ELECT ENGN 12 86% 0.3% 6
4 COMMUN SCI ENGN 11 24% 1.9% 41
5 NETWORK TRANSMISS 11 100% 0.3% 6
6 PHOTON SYST GRP 10 18% 2.3% 49
7 VILLARCEAUX 8 38% 0.7% 16
8 PHOTON NETWORKS SYST 8 62% 0.4% 8
9 TECHNOL INFUS 7 64% 0.3% 7
10 IE WSM 6 71% 0.2% 5

Related classes at same level (level 1)


Rank Relatedness score Related classes
1 0.0000171462 DIFFERENTIAL PHASE SHIFT KEYING DPSK//DUOBINARY//FORMAT CONVERSION
2 0.0000145154 MODE DIVISION MULTIPLEXING//MODE DIVISION MULTIPLEXING MDM//SPACE DIVISION MULTIPLEXING
3 0.0000132612 JOURNAL OF OPTICAL COMMUNICATIONS AND NETWORKING//ELASTIC OPTICAL NETWORK//HIGH PERFORMANCE NETWORKS GRP
4 0.0000103670 HYBRID OPTICAL AMPLIFIER//COMPENSATING DEVICE//DENSE WAVELENGTH DIVISION MULTIPLEXED SYSTEM
5 0.0000095934 PASSIVE OPTICAL NETWORK PON//PASSIVE OPTICAL NETWORK//PASSIVE OPTICAL NETWORKS PONS
6 0.0000092500 CHROMATIC DISPERSION MONITORING//OPTICAL PERFORMANCE MONITORING//OPTICAL PERFORMANCE MONITORING OPM
7 0.0000081536 POLARIZATION MODE DISPERSION PMD//POLARIZATION MODE DISPERSION//OPTICAL FIBER POLARIZATION
8 0.0000081030 3 D SIGNAL CONSTELLATION//OPTICAL COSTAS LOOP//OPTICAL FDM
9 0.0000071872 FOUR PHOTON MIXING//FOUR WAVE MIXING FWM//OPTICAL PARAMETRIC AMPLIFIERS OPAS
10 0.0000064331 RADIO OVER FIBER ROF//RADIO OVER FIBER//MICROWAVE PHOTONICS