Japan, Feb. 27 -- NIHON LUMENTUM CO LTD has got intellectual property rights for 'SEMICONDUCTOR OPTICAL DEVICE AND MANUFACTURING METHOD OF THE SAME.' Other related details are as follows:

Application Number: JP,2021-187200

Category (FI): H10H20/812,H01L33/06,H01S5/34

Stage: PROBLEM TO BE SOLVED: To provide a semiconductor optical device excellent in mass productivity.SOLUTION: A semiconductor optical device is provided, comprising: a substrate of a first conductive type; an optical confinement layer of the first conductive type which is arranged above the substrate of the first conductive type; a multi quantum well layer which is constructed by a plurality of well layers and barrier layers arranged above the optical confinement layer of ...