US 12,278,464 B2
Edge emitting laser device
Cheng-Yi Ou, Miaoli County (TW); Chih-Yuan Lin, Miaoli County (TW); and Cheng-Hsiao Chi, Miaoli County (TW)
Assigned to ABOCOM SYSTEMS, INC., Miaoli County (TW)
Filed by ABOCOM SYSTEMS, INC., Miaoli County (TW)
Filed on Jan. 6, 2022, as Appl. No. 17/569,516.
Claims priority of application No. 110103352 (TW), filed on Jan. 29, 2021.
Prior Publication US 2022/0247154 A1, Aug. 4, 2022
Int. Cl. H01S 5/30 (2006.01); H01S 5/12 (2021.01); H01S 5/20 (2006.01); H01S 5/34 (2006.01); H01S 5/343 (2006.01)
CPC H01S 5/20 (2013.01) [H01S 5/12 (2013.01); H01S 5/3077 (2013.01); H01S 5/3416 (2013.01); H01S 5/343 (2013.01)] 4 Claims
OG exemplary drawing
 
1. An edge emitting laser (EEL) device, comprising:
a substrate;
a first n-type cladding layer, disposed at top of the substrate;
a grating layer, disposed at top of the first n-type cladding layer;
a spacer layer, disposed at top of the grating layer;
a lower confinement unit, disposed at top of the spacer layer;
an active layer, disposed at top of the lower confinement unit;
an upper confinement unit, disposed at top of the active layer;
a p-type cladding layer, disposed at top of the upper confinement unit;
a tunnel junction layer, disposed at top of the p-type cladding layer; and
a second n-type cladding layer, disposed at top of the tunnel junction layer.