In:
Applied Physics Letters, AIP Publishing, Vol. 63, No. 25 ( 1993-12-20), p. 3414-3416
Abstract:
We present new results on the effective refractive index of GaInP/AlGaInP distributed feedback (DFB) lasers with grating periods around 100 nm, operated at 77 K and at room temperature. Double heterostructure (DH) lasers as well as multiple quantum well lasers show DFB-laser emission at 300 K over a range of 15 nm. For the DH lasers a clear difference of absolute value and dispersion of the effective refractive index was observed between 77 and 300 K, which is explained by high carrier density effects. For a carrier density of N=2.5×1018 cm−3 the refractive index of GaInP decreases by 0.05, which is compared with an ab initio calculation.
Type of Medium:
Online Resource
ISSN:
0003-6951
,
1077-3118
Language:
English
Publisher:
AIP Publishing
Publication Date:
1993
detail.hit.zdb_id:
211245-0
detail.hit.zdb_id:
1469436-0