Class information for: |
Basic class information |
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 |
| 8145 | 1 | OPTICAL PARAMETRIC AMPLIFIER//FIBER OPTICAL PARAMETRIC AMPLIFIER//FOUR WAVE MIXING FWM | 1311 |
Terms with highest relevance score |
| rank | Category | termType | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|---|
| 1 | OPTICAL PARAMETRIC AMPLIFIER | authKW | 552071 | 5% | 38% | 61 |
| 2 | FIBER OPTICAL PARAMETRIC AMPLIFIER | authKW | 480773 | 2% | 100% | 20 |
| 3 | FOUR WAVE MIXING FWM | authKW | 455123 | 6% | 25% | 76 |
| 4 | ALL OPTICAL REGENERATION | authKW | 451474 | 3% | 52% | 36 |
| 5 | FOUR WAVE MIXING | authKW | 346262 | 10% | 11% | 127 |
| 6 | PARAMETRIC PROCESS | authKW | 343030 | 3% | 42% | 34 |
| 7 | PHASE SENSITIVE AMPLIFICATION | authKW | 330811 | 1% | 81% | 17 |
| 8 | OPTICAL REGENERATION | authKW | 294442 | 2% | 44% | 28 |
| 9 | FOUR PHOTON MIXING | authKW | 270832 | 1% | 87% | 13 |
| 10 | PHASE SENSITIVE AMPLIFIERS | authKW | 270427 | 1% | 75% | 15 |
Web of Science journal categories |
| chi_square_rank | Category | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | Optics | 60352 | 88% | 0% | 1151 |
| 2 | Engineering, Electrical & Electronic | 7997 | 46% | 0% | 605 |
| 3 | Telecommunications | 3278 | 14% | 0% | 182 |
| 4 | Physics, Applied | 1994 | 27% | 0% | 352 |
| 5 | Physics, Multidisciplinary | 7 | 3% | 0% | 38 |
| 6 | Film, Radio, Television | 1 | 0% | 0% | 1 |
| 7 | Computer Science, Hardware & Architecture | -0 | 0% | 0% | 4 |
| 8 | Computer Science, Information Systems | -1 | 0% | 0% | 6 |
| 9 | Education, Scientific Disciplines | -1 | 0% | 0% | 1 |
| 10 | Engineering, Industrial | -2 | 0% | 0% | 1 |
Address terms |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | NETWORK PHOTON | 142235 | 1% | 31% | 19 |
| 2 | HGEBIET HOCHFREQUENZTECH PHOTON | 76922 | 0% | 80% | 4 |
| 3 | FIBRE OPT COMMUN FORCE | 72116 | 0% | 100% | 3 |
| 4 | PHOTON COMMUN COMP | 69142 | 2% | 14% | 20 |
| 5 | PHLAM IRCICA USR 3380 | 64100 | 0% | 67% | 4 |
| 6 | STI IEL | 54628 | 0% | 45% | 5 |
| 7 | MICROTECHNOL NANOSCI | 54130 | 4% | 4% | 51 |
| 8 | FIBER OPT COMMUN FORCE | 48077 | 0% | 100% | 2 |
| 9 | MICHROTECHNOL NANOSCI MC2 | 48077 | 0% | 100% | 2 |
| 10 | FITEL PHOTON | 42910 | 1% | 18% | 10 |
Journals |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | IEEE PHOTONICS TECHNOLOGY LETTERS | 86006 | 19% | 1% | 243 |
| 2 | JOURNAL OF LIGHTWAVE TECHNOLOGY | 44080 | 12% | 1% | 151 |
| 3 | OPTICS EXPRESS | 43344 | 19% | 1% | 253 |
| 4 | OPTICS LETTERS | 13407 | 10% | 0% | 130 |
| 5 | IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS | 8761 | 3% | 1% | 39 |
| 6 | OPTICAL FIBER TECHNOLOGY | 7684 | 2% | 2% | 20 |
| 7 | OPTICS COMMUNICATIONS | 7436 | 7% | 0% | 91 |
| 8 | JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 5111 | 4% | 0% | 49 |
| 9 | ELECTRONICS LETTERS | 3126 | 6% | 0% | 73 |
| 10 | IEEE JOURNAL OF QUANTUM ELECTRONICS | 1200 | 2% | 0% | 21 |
Author Key Words |
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 |