Class information for:
Level 1: FOUR PHOTON MIXING//FOUR WAVE MIXING FWM//OPTICAL PARAMETRIC AMPLIFIERS OPAS

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
8091 1220 18.2 72%


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 FOUR PHOTON MIXING Author keyword 24 82% 1% 14
2 FOUR WAVE MIXING FWM Author keyword 21 23% 6% 79
3 OPTICAL PARAMETRIC AMPLIFIERS OPAS Author keyword 17 100% 1% 8
4 PARAMETRIC PROCESS Author keyword 15 47% 2% 23
5 ALL OPTICAL REGENERATION Author keyword 13 35% 3% 31
6 OPTICAL PARAMETRIC AMPLIFIERS Author keyword 13 35% 2% 30
7 WAVELENGTH MULTICASTING Author keyword 11 67% 1% 10
8 PHASE SENSITIVE AMPLIFICATION Author keyword 11 54% 1% 14
9 OPTICAL PARAMETRIC AMPLIFIER Author keyword 11 31% 2% 29
10 FIBER OPTICAL PARAMETRIC AMPLIFIER FOPA Author keyword 11 69% 1% 9

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 FOUR PHOTON MIXING 24 82% 1% 14 Search FOUR+PHOTON+MIXING Search FOUR+PHOTON+MIXING
2 FOUR WAVE MIXING FWM 21 23% 6% 79 Search FOUR+WAVE+MIXING+FWM Search FOUR+WAVE+MIXING+FWM
3 OPTICAL PARAMETRIC AMPLIFIERS OPAS 17 100% 1% 8 Search OPTICAL+PARAMETRIC+AMPLIFIERS+OPAS Search OPTICAL+PARAMETRIC+AMPLIFIERS+OPAS
4 PARAMETRIC PROCESS 15 47% 2% 23 Search PARAMETRIC+PROCESS Search PARAMETRIC+PROCESS
5 ALL OPTICAL REGENERATION 13 35% 3% 31 Search ALL+OPTICAL+REGENERATION Search ALL+OPTICAL+REGENERATION
6 OPTICAL PARAMETRIC AMPLIFIERS 13 35% 2% 30 Search OPTICAL+PARAMETRIC+AMPLIFIERS Search OPTICAL+PARAMETRIC+AMPLIFIERS
7 WAVELENGTH MULTICASTING 11 67% 1% 10 Search WAVELENGTH+MULTICASTING Search WAVELENGTH+MULTICASTING
8 PHASE SENSITIVE AMPLIFICATION 11 54% 1% 14 Search PHASE+SENSITIVE+AMPLIFICATION Search PHASE+SENSITIVE+AMPLIFICATION
9 OPTICAL PARAMETRIC AMPLIFIER 11 31% 2% 29 Search OPTICAL+PARAMETRIC+AMPLIFIER Search OPTICAL+PARAMETRIC+AMPLIFIER
10 FIBER OPTICAL PARAMETRIC AMPLIFIER FOPA 11 69% 1% 9 Search FIBER+OPTICAL+PARAMETRIC+AMPLIFIER+FOPA Search FIBER+OPTICAL+PARAMETRIC+AMPLIFIER+FOPA

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 SENSITIVE AMPLIFICATION 32 85% 1% 17
2 QUANTUM NOISE PROPERTIES 27 92% 1% 11
3 2 PUMP WAVES 24 82% 1% 14
4 AMPLIFIERS DRIVEN 21 90% 1% 9
5 FIBEROPTIC PARAMETRIC AMPLIFIER 21 90% 1% 9
6 PHASE SENSITIVE AMPLIFICATION 20 48% 2% 30
7 DPSK SIGNAL REGENERATION 20 100% 1% 9
8 PARAMETRIC AMPLIFIERS 18 41% 3% 34
9 AMPLITUDE REGENERATION 15 63% 1% 15
10 2R REGENERATION 14 50% 2% 20

Journals

Reviews


Title Publ. year Cit. Active references % act. ref.
to same field
Fiber optical parametric amplifiers in optical communication systems 2015 2 67 75%
Parametric amplification and processing in optical fibers 2008 13 36 67%
Optical nonlinearities in fibers: Review, recent examples, and systems applications 2005 43 150 13%

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 PHLAM IRCICA USR 3380 6 80% 0.3% 4
2 NETWORK PHOTON 5 28% 1.3% 16
3 HGEBIET HOCHFREQUENZTECH PHOTON 4 75% 0.2% 3
4 PHOTON SYST PHOSL 4 75% 0.2% 3
5 STI IEL 3 57% 0.3% 4
6 PHOTON COMMUN COMP 2 13% 1.4% 17
7 ISGS 2 67% 0.2% 2
8 FITEL PHOTON 2 16% 0.7% 9
9 FIBER OPT COMMUN FORCE 1 100% 0.2% 2
10 FIBRE OPT COMMUN FORCE 1 100% 0.2% 2

Related classes at same level (level 1)


Rank Relatedness score Related classes
1 0.0000273610 MAX PLANCK GRP NONLINEAR PHOTON NANOSTRUCT//MODULATION INSTABILITY//EXPONENTIAL SATURABLE NONLINEARITY
2 0.0000265873 NONLINEAR OPTICAL LOOP MIRROR//FIBRE OPTIC DEVICES//NONLINEAR OPTICAL LOOP MIRROR NOLM
3 0.0000175365 HYBRID OPTICAL AMPLIFIER//COMPENSATING DEVICE//DENSE WAVELENGTH DIVISION MULTIPLEXED SYSTEM
4 0.0000147845 ADV PHOTON DEVICE SYST//OPTOELECT CIRCUITS SYST//MICROELECT SCI S
5 0.0000133401 KOLAGHAT THERMAL POWER STN//SEMICONDUCTOR OPTICAL AMPLIFIER SOA//SEMICONDUCTOR OPTICAL AMPLIFIER
6 0.0000115658 SUPERCONTINUUM GENERATION//SUPERCONTINUUM//ADV PHOTON TECHNOL
7 0.0000107036 DIFFERENTIAL PHASE SHIFT KEYING DPSK//DUOBINARY//FORMAT CONVERSION
8 0.0000099156 COUPLING RATIOS//ELECTRON PARAMAGNETIC RESONANCE EPR SPECTRUM//ER3 DOPED FIBERS
9 0.0000089683 CHROMATIC DISPERSION MONITORING//OPTICAL PERFORMANCE MONITORING//OPTICAL PERFORMANCE MONITORING OPM
10 0.0000087687 RAMAN AMPLIFIERS//RAMAN AMPLIFIER//RAMAN AMPLIFICATION