| 摘要 |
PROBLEM TO BE SOLVED: To provide a semiconductor optical element having a wavelength selecting structure on a surface of an absorber for selectively absorbing light of a specific wavelength, which prevents light of wavelengths other than the wavelength selectively absorbed on the surface of the absorber from being absorbed on a rear face of the absorber to improve the selectivity of detection wavelength, and to provide a semiconductor optical device using the element.SOLUTION: The semiconductor optical element comprises: an absorber 10 that has a wavelength selecting structure part 11 on a surface thereof and selectively absorbs light of a predetermined wavelength; an absorption prevention film 13 provided on the rear face of the absorber and preventing absorption of light; and a temperature detection part 4 thermally connected to the absorber and detecting temperature. |
