The use of thick quantum wells with no optical confinement layers allows designing single-transverse-mode bipolar cascade lasers with high external differential quantum efficiencies. By controlling the number of wells the available laser power is maximized.
Ramadan, T. (2007). SINGLE-TRANSVERSE-MODE BIPOLAR CASCADE LASERS WITH THICK QUANTUM WELLS AND NO OPTICAL CONFINEMENT LAYERS. International Conference on Aerospace Sciences and Aviation Technology, 12(ASAT Conference, 29-31 May 2007), 1-7. doi: 10.21608/asat.2007.24010
MLA
Tarek A. Ramadan. "SINGLE-TRANSVERSE-MODE BIPOLAR CASCADE LASERS WITH THICK QUANTUM WELLS AND NO OPTICAL CONFINEMENT LAYERS", International Conference on Aerospace Sciences and Aviation Technology, 12, ASAT Conference, 29-31 May 2007, 2007, 1-7. doi: 10.21608/asat.2007.24010
HARVARD
Ramadan, T. (2007). 'SINGLE-TRANSVERSE-MODE BIPOLAR CASCADE LASERS WITH THICK QUANTUM WELLS AND NO OPTICAL CONFINEMENT LAYERS', International Conference on Aerospace Sciences and Aviation Technology, 12(ASAT Conference, 29-31 May 2007), pp. 1-7. doi: 10.21608/asat.2007.24010
VANCOUVER
Ramadan, T. SINGLE-TRANSVERSE-MODE BIPOLAR CASCADE LASERS WITH THICK QUANTUM WELLS AND NO OPTICAL CONFINEMENT LAYERS. International Conference on Aerospace Sciences and Aviation Technology, 2007; 12(ASAT Conference, 29-31 May 2007): 1-7. doi: 10.21608/asat.2007.24010