公开(公告)号：US20100046570A1

公开(公告)日：2010-02-25

申请号：US12582796

申请日：2009-10-21

Applicant: Mitsuhiro Ikuta

Inventor： Mitsuhiro Ikuta

IPC: H01S5/18

CPC classification number: B82Y20/00 ,  H01S5/0655 ,  H01S5/105 ,  H01S5/18311 ,  H01S5/18358 ,  H01S5/18372 ,  H01S5/2086 ,  H01S5/34326

Abstract: Provided is a high-output surface-emitting laser capable of reducing effects on reflectance of an upper reflection mirror in a single transverse mode. The surface-emitting laser includes plural semiconductor layers, laminated on a substrate, which includes a lower semiconductor multilayer reflection mirror, an active layer, and an upper semiconductor multilayer reflection mirror, wherein the lower or upper semiconductor multilayer reflection mirror includes a first semiconductor layer having a two-dimensional photonic crystal structure comprised of a high and low refractive index portions which are arranged in a direction parallel to the substrate, and wherein a second semiconductor layer laminated on the first semiconductor layer includes a microhole which reaches the low refractive index portion, the cross section of the microhole in the direction parallel to the substrate being smaller than the cross section of the low refractive index portion formed in the first semiconductor layer.

Abstract translation: 提供了能够降低在单横模中上反射镜的反射率的效果的高输出表面发射激光器。 表面发射激光器包括层叠在基板上的多个半导体层，其包括下半导体多层反射镜，有源层和上半导体多层反射镜，其中下半导体多层反射镜或上半导体多层反射镜包括第一半导体层 具有由平行于基板的方向配置的高折射率部分和低折射率部分构成的二维光子晶体结构，其中层压在第一半导体层上的第二半导体层包括到达低折射率部分的微孔 微孔在与基板平行的方向上的横截面小于形成在第一半导体层中的低折射率部分的横截面。

公开(公告)号：US20090262775A1

公开(公告)日：2009-10-22

申请号：US12425745

申请日：2009-04-17

Applicant: Takeshi Uchida ,  Yasuhiro Nagatomo ,  Yuichiro Hori ,  Mitsuhiro Ikuta

Inventor： Takeshi Uchida ,  Yasuhiro Nagatomo ,  Yuichiro Hori ,  Mitsuhiro Ikuta

IPC: H01S5/18

CPC classification number: H01S5/187 ,  H01S5/105 ,  H01S5/3211 ,  H01S5/32341

Abstract: A surface emitting laser which oscillates at a wavelength X 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.

Abstract translation: 一种表面发射激光器，其以包括光子晶体结构的光子晶体层，设置在光子晶体层的一个表面上的有源层和设置在光子晶体的另一个表面上的电极在蓝色波段的波长X处振荡 用于将电流注入有源层的晶体层。 光子晶体结构的厚度为100nm以上。 激光束朝向与设置有电极的光子晶体层的一侧相反的方向发射。

公开(公告)号：US20080192779A1

公开(公告)日：2008-08-14

申请号：US12023872

申请日：2008-01-31

Applicant: Mitsuhiro Ikuta

Inventor： Mitsuhiro Ikuta

IPC: H01S3/30

CPC classification number: H01S5/18 ,  B82Y20/00 ,  H01S5/0425 ,  H01S5/0683 ,  H01S5/105 ,  H01S5/12 ,  H01S5/1231 ,  H01S5/2027 ,  H01S5/34326

Abstract: A surface emitting laser comprises an underlayer, an active layer formed on the underlayer, a slab layer formed on the active layer and having a photonic crystal structure optically combined with the active layer, and a metal thin film formed on the slab layer and having a periodic fine structure; and enabling taking-out of the light beam propagating in a layer-plane direction in the slab layer through the metal thin film.

Abstract translation: 表面发射激光器包括底层，形成在底层上的有源层，形成在有源层上并具有与有源层光学组合的光子晶体结构的平板层，以及形成在板层上的金属薄膜，并具有 定期精细结构; 并且能够通过金属薄膜取出在板层中沿层平面方向传播的光束。

公开(公告)号：US20080117942A1

公开(公告)日：2008-05-22

申请号：US11940124

申请日：2007-11-14

Applicant: Yasuhiro Nagatomo ,  Yuichiro Hori ,  Mitsuhiro Ikuta

Inventor： Yasuhiro Nagatomo ,  Yuichiro Hori ,  Mitsuhiro Ikuta

IPC: G02B6/122 ,  H01S5/18

CPC classification number: G02B6/1225 ,  B82Y20/00 ,  H01S5/105 ,  H01S5/12 ,  H01S5/18 ,  H01S5/183 ,  H01S5/34326

Abstract: A structure includes a photonic crystal layer including a first member having a high refractive index in which a plurality of holes are periodically arranged, and a second member having a low refractive index. A third member is disposed on the first member. The third member has a refractive index higher than 1.0 and lower than the refractive index of the first member. The holes of the photonic crystal layer have a depth in the range of 20% to 80% of the thickness of the first member.

Abstract translation: 一种结构包括光子晶体层，其包括具有高折射率的第一部件，其中多个孔周期性地布置，以及具有低折射率的第二部件。 第三构件设置在第一构件上。 第三构件的折射率高于1.0且低于第一构件的折射率。 光子晶体层的孔的深度在第一构件的厚度的20％至80％的范围内。