Surface emitting laser
First Claim
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1. A surface emitting laser which oscillates at a wavelength λ
- of a blue band, comprising;
a photonic crystal layer including a photonic crystal structure;
an active layer provided on one surface of the photonic crystal layer; and
an electrode provided on the other surface of the photonic crystal layer for injecting electric current into the active layer, whereinthe photonic crystal structure has a thickness of 100 nm or more,a laser beam is emitted toward a direction opposite to a side of the photonic crystal layer on which the electrode is provided, anda distance between the electrode and the active layer is 500 nm or less.
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Abstract
A surface emitting laser which oscillates at a wavelength λ of a blue band, including a photonic crystal layer including a photonic crystal structure, an active layer provided on one surface of the photonic crystal layer, and an electrode provided on the other surface of the photonic crystal layer for injecting electric current into the active layer. The photonic crystal structure has a thickness of 100 nm or more. A laser beam is emitted toward a direction opposite to a side of the photonic crystal layer on which the electrode is provided.
53 Citations
10 Claims
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1. A surface emitting laser which oscillates at a wavelength λ
- of a blue band, comprising;
a photonic crystal layer including a photonic crystal structure; an active layer provided on one surface of the photonic crystal layer; and an electrode provided on the other surface of the photonic crystal layer for injecting electric current into the active layer, wherein the photonic crystal structure has a thickness of 100 nm or more, a laser beam is emitted toward a direction opposite to a side of the photonic crystal layer on which the electrode is provided, and a distance between the electrode and the active layer is 500 nm or less. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
- of a blue band, comprising;
-
9. A surface emitting laser which oscillates at a wavelength λ
- , comprising;
a photonic crystal layer including a photonic crystal structure; an active layer provided on one surface of the photonic crystal layer; and an electrode provided on the other surface of the photonic crystal layer for injecting electric current into the active layer, wherein the photonic crystal structure has a thickness of 0.50 times or more than the wavelength λ
in the photonic crystal layer,a laser beam is emitted toward a direction opposite to the side of the photonic crystal layer on which the electrode is provided, and a distance between the electrode and the active layer is 500 nm or less. - View Dependent Claims (10)
- , comprising;
Specification