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- Title
A review of external cavity-coupled quantum dot lasers.
- Authors
Li, S.; Gong, Q.; Cao, C.; Wang, X.; Yan, J.; Wang, Y.; Wang, H.
- Abstract
Since the external cavity quantum dot laser was first demonstrated, the performances have been improved in terms of operation temperature, output power, pulse generator and tuneability based on the naturally size fluctuation of quantum dot. Nowadays, the external cavity quantum dot sources have been successfully used in different absorption spectroscope techniques, in industry, biomedical and research. In this paper we reviewed the recent developments of quantum dot lasers operated in a grating-coupled external cavity system where a single frequency and wide tunable wavelength range were easily obtained by adjusting the grating angle. In all cases, we mainly stressed the significant progresses in understanding of basic optical and electronic properties to enable the importance steps forward. The prospects for further progress directed towards stability, mode-hoping-free tuning range, miniaturization and integration of the external cavity quantum dot lasers also reviewed.
- Subjects
QUANTUM dot lasers; TEMPERATURE measurements; FLUCTUATIONS (Physics); TUNABLE lasers; OPTICAL properties; WAVELENGTHS
- Publication
Optical & Quantum Electronics, 2014, Vol 46, Issue 5, p623
- ISSN
0306-8919
- Publication type
Article
- DOI
10.1007/s11082-013-9773-2