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 |
| 9079 | 1 | MODE LOCKED LASERS//OPTICAL PULSE GENERATION//SEMICONDUCTOR LASERS | 1220 |
Terms with highest relevance score |
| rank | Category | termType | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|---|
| 1 | MODE LOCKED LASERS | authKW | 289830 | 7% | 14% | 82 |
| 2 | OPTICAL PULSE GENERATION | authKW | 244866 | 5% | 17% | 55 |
| 3 | SEMICONDUCTOR LASERS | authKW | 197194 | 15% | 4% | 179 |
| 4 | ULTRAFAST PULSE GENERATION | authKW | 174360 | 1% | 75% | 9 |
| 5 | GAIN SWITCHING | authKW | 157036 | 2% | 26% | 23 |
| 6 | HYBRID SOLITON PULSE SOURCE | authKW | 154991 | 0% | 100% | 6 |
| 7 | OPTICAL SHORT PULSES | authKW | 154991 | 0% | 100% | 6 |
| 8 | EXTERNAL INJECTION SEEDING | authKW | 129159 | 0% | 100% | 5 |
| 9 | MONOLITHIC SEMICONDUCTOR LASER | authKW | 129159 | 0% | 100% | 5 |
| 10 | PULSE GENERATION | authKW | 115962 | 3% | 14% | 32 |
Web of Science journal categories |
| chi_square_rank | Category | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | Optics | 19486 | 52% | 0% | 639 |
| 2 | Engineering, Electrical & Electronic | 10240 | 54% | 0% | 654 |
| 3 | Physics, Applied | 8460 | 53% | 0% | 650 |
| 4 | Telecommunications | 301 | 5% | 0% | 59 |
| 5 | Spectroscopy | 20 | 2% | 0% | 22 |
| 6 | Film, Radio, Television | 2 | 0% | 0% | 1 |
| 7 | Physics, Multidisciplinary | 1 | 2% | 0% | 27 |
| 8 | Microscopy | -0 | 0% | 0% | 1 |
| 9 | Instruments & Instrumentation | -0 | 1% | 0% | 10 |
| 10 | Engineering, General | -1 | 0% | 0% | 5 |
Address terms |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | LEHRSTUHL PHOTON THZ TECHNOL | 107631 | 0% | 83% | 5 |
| 2 | ADV MAT S | 54067 | 1% | 12% | 17 |
| 3 | OPT COMPONENTS CO | 45919 | 0% | 44% | 4 |
| 4 | DATA OPT NETWORKS | 34441 | 0% | 67% | 2 |
| 5 | INGN SISTEMAS ELECT IND | 34441 | 0% | 67% | 2 |
| 6 | NEW IND CREAT HATCHERY NICHE | 31602 | 1% | 7% | 17 |
| 7 | ADV TECHOL RD | 25832 | 0% | 100% | 1 |
| 8 | AG OPTOELEKT BAUELEMENTE WERSTOFFE | 25832 | 0% | 100% | 1 |
| 9 | ENGN TELECOMMUNICAC | 25832 | 0% | 100% | 1 |
| 10 | FONCT OPT TELECOMMUN | 25832 | 0% | 100% | 1 |
Journals |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | IEEE PHOTONICS TECHNOLOGY LETTERS | 45684 | 14% | 1% | 171 |
| 2 | IEEE JOURNAL OF QUANTUM ELECTRONICS | 38392 | 9% | 1% | 113 |
| 3 | ELECTRONICS LETTERS | 21721 | 15% | 0% | 183 |
| 4 | IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS | 15512 | 4% | 1% | 50 |
| 5 | IEE PROCEEDINGS-OPTOELECTRONICS | 7975 | 1% | 2% | 16 |
| 6 | APPLIED PHYSICS LETTERS | 7031 | 14% | 0% | 176 |
| 7 | OPTICS LETTERS | 3542 | 5% | 0% | 65 |
| 8 | PISMA V ZHURNAL TEKHNICHESKOI FIZIKI | 2680 | 2% | 0% | 23 |
| 9 | IEE PROCEEDINGS-J OPTOELECTRONICS | 2657 | 1% | 1% | 7 |
| 10 | INTERNATIONAL JOURNAL OF OPTOELECTRONICS | 2327 | 0% | 2% | 4 |
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 |