| Zugriffsnummer | 19786 |
| Dokumenttyp | Zeitschriftenartikel |
| Sprache | Englisch |
| Titel | Low threshold blue conjugated polymer lasers with first- and second-order distributed feedback |
| Autor(in); Institution |
Karnutsch, C.; Universität Karlsruhe (TH), Lichttechnisches Institut, Karlsruhe, GERMANY
Gaertner, C.; Universität Karlsruhe (TH), Lichttechnisches Institut, Karlsruhe, GERMANY
Haug, V.; Universität Karlsruhe (TH), Lichttechnisches Institut, Karlsruhe, GERMANY
Lemmer, U.; Universität Karlsruhe (TH), Lichttechnisches Institut, Karlsruhe, GERMANY
Farrel, T.; Bergische Universität Wuppertal, Makromolekulare Chemie, Wuppertal, GERMANY
Nehls, B. S.; Bergische Universität Wuppertal, Makromolekulare Chemie, Wuppertal, GERMANY
Scherf, U.; Bergische Universität Wuppertal, Makromolekulare Chemie, Wuppertal, GERMANY
Wang, Jing; 2.4, Quantenelektronik, PTB-Braunschweig
Weimann, Thomas; 2.4, Quantenelektronik, PTB-Braunschweig
Heliotis, G.; Imperial College London, Blackett Laboratory, London, UK
Pflumm, C.; Imperial College London, Blackett Laboratory, London, UK
DeMello, J. C.; Imperial College London, Blackett Laboratory, London, UK
Bradley, D. D. C.; Imperial College London, Blackett Laboratory, London, UK
|
| Quelle/Jahr | Applied Physics Letters: 89 (2006), 201108-1 - 201108-3 |
| ISSN | 0003-6951 |
| DOI | |
| Verlag | Melville, NY: AIP |
| Klassifikationscode | PACS: 42.55.-f ; PACS: 42.60.By ; PACS: 42.70.Jk ; PACS: 42.70.Hj ; PACS: 42.60.Fc |
| Zusammenfassung | We report on the fabrication of low threshold distributed feedback (DFB) polymer lasers based on a polyfluorene derivative containing statistical binaphthyl units (BN-PFO). First- and second-order feedback lasers have been realized. The emission was tuned in the wavelength range from 438 to 459 nm by varying the grating period and the film thickness. A threshold energy of 280 pJ/pulse was observed in second-order DFB structures, which could be further reduced to 160 pJ/pulse by employing first-order feedback in electron beam lithographically patterned structures with a period of 140 nm. In these first-order structures, laser oscillation at both edges of the photonic stop band was observed. These very low threshold values render BN-PFO a very promising material for future electrically pumped organic semiconductor laser diodes. |
Zitierung
Karnutsch, C., Gaertner, C., Haug, V., Lemmer, U., Farrel, T., Nehls, B. S., Scherf, U., Wang, J., Weimann, T., Heliotis, G., Pflumm, C., DeMello, J. C., & Bradley, D. D. C. (2006). Low threshold blue conjugated polymer lasers with first- and second-order distributed feedback. Applied Physics Letters, 89, 201108-1–201108-3. https://doi.org/10.1063/1.2390644