- Tytuł:
- Optimization of InGaN laser diodes based on numerical simulations
- Autorzy:
-
Sakowski, K.
Strak, P.
Krukowski, S.
Marcinkowski, L. - Powiązania:
- https://bibliotekanauki.pl/articles/1075368.pdf
- Data publikacji:
- 2016-01
- Wydawca:
- Polska Akademia Nauk. Instytut Fizyki PAN
- Tematy:
-
42.55.Px
02.60.Cb - Opis:
- Simulations of blue and green laser diodes with InGaN quantum wells are presented. In this study, a particular emphasis on efficiency and optical power of the structures was placed. Effect of the aluminum content in an electron blocking layer on the electron overflow and efficiency is discussed. Substantial decrease of efficiency of laser diodes is reported for low aluminum levels. It is also shown that polarization charges existing in AlInGaN heterostructures grown on GaN polar direction and low ionization degree of magnesium acceptors lead to high resistance of these devices. These effects hinder the carriers from reaching an active region and consequently they impose high operating voltages.
- Źródło:
-
Acta Physica Polonica A; 2016, 129, 1a; A-33-A-35
0587-4246
1898-794X - Pojawia się w:
- Acta Physica Polonica A
- Dostawca treści:
- Biblioteka Nauki