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 |
|---|---|---|---|
| 1 | 4 | PHYSICS, CONDENSED MATTER//PHYSICS, APPLIED//MATERIALS SCIENCE, MULTIDISCIPLINARY | 2188495 |
| 64 | 3 | SEMICONDUCTOR LASERS//PHYSICS, APPLIED//PHYSICS, CONDENSED MATTER | 89567 |
| 174 | 2 | SEMICONDUCTOR LASERS//IEEE JOURNAL OF QUANTUM ELECTRONICS//VERTICAL CAVITY SURFACE EMITTING LASERS | 21466 |
| 19471 | 1 | SELF SUSTAINED PULSATION//SILC BLD//RISA STRUCTURE | 527 |
Terms with highest relevance score |
| rank | Category | termType | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|---|
| 1 | SELF SUSTAINED PULSATION | authKW | 215286 | 1% | 60% | 6 |
| 2 | SILC BLD | authKW | 179409 | 1% | 100% | 3 |
| 3 | RISA STRUCTURE | authKW | 134555 | 1% | 75% | 3 |
| 4 | 650 NM BAND LASERS | authKW | 119606 | 0% | 100% | 2 |
| 5 | FIFTH ORDER INTERMODULATION DISTORTION IMD5 | authKW | 119606 | 0% | 100% | 2 |
| 6 | PERIODIC SOLUTION SELF PULSATION | authKW | 119606 | 0% | 100% | 2 |
| 7 | SELF PULSATION | authKW | 118133 | 2% | 22% | 9 |
| 8 | GAIN LEVER EFFECT | authKW | 107643 | 1% | 60% | 3 |
| 9 | GAIN QUENCHING | authKW | 79736 | 0% | 67% | 2 |
| 10 | BISTABLE LASER DIODE | authKW | 76886 | 1% | 43% | 3 |
Web of Science journal categories |
| chi_square_rank | Category | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | Optics | 6194 | 45% | 0% | 238 |
| 2 | Engineering, Electrical & Electronic | 4308 | 53% | 0% | 279 |
| 3 | Physics, Applied | 3660 | 53% | 0% | 281 |
| 4 | Telecommunications | 341 | 7% | 0% | 39 |
| 5 | Physics, Multidisciplinary | 8 | 4% | 0% | 19 |
| 6 | Multidisciplinary Sciences | 0 | 0% | 0% | 2 |
| 7 | Physics, Condensed Matter | 0 | 3% | 0% | 14 |
| 8 | Spectroscopy | 0 | 1% | 0% | 4 |
| 9 | Engineering, Industrial | -0 | 0% | 0% | 1 |
| 10 | Physics, Mathematical | -0 | 1% | 0% | 3 |
Address terms |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | DISCRETE DEVICE | 67275 | 1% | 38% | 3 |
| 2 | COURSE ELECT | 59803 | 0% | 100% | 1 |
| 3 | ELECT ECGN COMP SYST | 59803 | 0% | 100% | 1 |
| 4 | IL III V | 59803 | 0% | 100% | 1 |
| 5 | COMPUTAT QUANTUM OPTOELECT | 19933 | 0% | 33% | 1 |
| 6 | EBLANA PHOTON | 11959 | 0% | 20% | 1 |
| 7 | YOKOSUKA ELECT COMMUN S ELECT COMMUN S | 11959 | 0% | 20% | 1 |
| 8 | MADRAS TECHNOL CAMPUS | 9565 | 0% | 8% | 2 |
| 9 | DEVICES TECHNOL S | 8856 | 0% | 7% | 2 |
| 10 | TELECOMMUN NETWORK S | 8542 | 0% | 14% | 1 |
Journals |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | IEEE JOURNAL OF QUANTUM ELECTRONICS | 43537 | 15% | 1% | 79 |
| 2 | IEE PROCEEDINGS-J OPTOELECTRONICS | 40843 | 3% | 4% | 18 |
| 3 | IEE PROCEEDINGS-I COMMUNICATIONS SPEECH AND VISION | 12830 | 2% | 2% | 12 |
| 4 | OPTICAL AND QUANTUM ELECTRONICS | 12755 | 6% | 1% | 30 |
| 5 | ELECTRONICSWEEK | 8245 | 0% | 7% | 2 |
| 6 | IEE PROCEEDINGS-OPTOELECTRONICS | 4618 | 2% | 1% | 8 |
| 7 | IEEE PHOTONICS TECHNOLOGY LETTERS | 4144 | 6% | 0% | 34 |
| 8 | ELECTRONICS LETTERS | 4025 | 10% | 0% | 52 |
| 9 | APPLIED PHYSICS LETTERS | 3635 | 16% | 0% | 83 |
| 10 | IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS | 909 | 2% | 0% | 8 |
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 |