Method and system for hybrid integration of a tunable laser
    21.
    发明授权
    Method and system for hybrid integration of a tunable laser 有权
    可调激光器混合集成的方法和系统

    公开(公告)号:US08615025B2

    公开(公告)日:2013-12-24

    申请号:US12903025

    申请日:2010-10-12

    IPC分类号: H01S3/10

    摘要: A tunable laser includes a substrate comprising a silicon material and a gain medium coupled to the substrate. The gain medium includes a compound semiconductor material. The tunable laser also includes a waveguide disposed in the substrate and optically coupled to the gain medium, a first wavelength selective element characterized by a first reflectance spectrum and disposed in the substrate, and a second wavelength selective element characterized by a second reflectance spectrum and disposed in the substrate. The tunable laser further includes an optical coupler disposed in the substrate and joining the first wavelength selective element, the second wavelength selective element, and the waveguide and an output mirror.

    摘要翻译: 可调谐激光器包括包括硅材料的基板和与基板耦合的增益介质。 增益介质包括化合物半导体材料。 可调谐激光器还包括布置在衬底中并光学耦合到增益介质的波导,第一波长选择元件,其特征在于第一反射光谱并且设置在衬底中,以及第二波长选择元件,其特征在于第二反射光谱并且被布置 在基材中。 可调激光器还包括设置在基板中并连接第一波长选择元件,第二波长选择元件和波导的光耦合器和输出镜。

    Semiconductor Light Source Free From Facet Reflections
    22.
    发明申请
    Semiconductor Light Source Free From Facet Reflections 有权
    半导体光源从面反射

    公开(公告)号:US20130308333A1

    公开(公告)日:2013-11-21

    申请号:US13897369

    申请日:2013-05-18

    IPC分类号: F21V8/00

    摘要: A new class of optical source having a truncated waveguide is provided, where a guided section of a light generating medium is terminated at an angle at a predetermined distance away from one end facet of the waveguide, thereby leaving a section for unguided light propagation. A truncated waveguide when implemented in combination with waveguide tilt, effective front facet reflectivity is reduced significantly to eliminate unwanted facet reflections. By extending electrical pumping in the unguided propagation section, the light in the unguided path propagates to a corresponding end facet without attenuation. The reflected light propagates freely without being intercepted by the waveguide. The principles are incorporated in different types of light generating and amplifying medium including a “double-pass” gain medium for designing optical sources having significantly high output power and negligibly small spectral modulation arising from unwanted facet reflections.

    摘要翻译: 提供了一种具有截头波导的新类型的光源,其中光产生介质的被引导部分以距离波导的一个端面一定的距离成一角度终止,从而留下用于非导向光传播的部分。 当与波导倾斜结合实现截止波导时,有效的正面反射率被显着降低以消除不想要的面反射。 通过在非导向传播部分中扩展电泵浦,非导向路径中的光传播到相应的端面而不衰减。 反射光自由地传播而不被波导截取。 这些原理被并入不同类型的光产生和放大介质中,包括一个“双通”增益介质,用于设计具有显着高的输出功率的光源和由不想要的小面反射引起的可忽略的小的光谱调制。

    Device comprising a laser
    23.
    发明授权
    Device comprising a laser 有权
    装置包括激光

    公开(公告)号:US08396091B2

    公开(公告)日:2013-03-12

    申请号:US13018020

    申请日:2011-01-31

    IPC分类号: H01S5/00

    摘要: An embodiment of the invention relates to a device comprising a laser and a waveguide stripe or netlike hexagonal stripe structure, which allows propagation of multitude of the lateral modes in the waveguide stripe or stripe structure, wherein the waveguide stripe has at least one corrugated edge section along its longitudinal axis to provide preferable amplification of the fundamental lateral mode or in-phase supermode and to obtain high brightness of the emitted radiation.

    摘要翻译: 本发明的实施例涉及一种包括激光器和波导条纹或网状六边形条纹结构的装置,其允许波导条纹或条纹结构中的多个横向模式的传播,其中波导条纹具有至少一个波纹状边缘部分 沿其纵向轴线提供基本横向模式或同相超模的优选放大并且获得发射辐射的高亮度。

    DBR laser with improved thermal tuning efficiency
    25.
    发明授权
    DBR laser with improved thermal tuning efficiency 有权
    DBR激光器具有改进的热调谐效率

    公开(公告)号:US08236590B2

    公开(公告)日:2012-08-07

    申请号:US12857465

    申请日:2010-08-16

    IPC分类号: H01L21/00

    摘要: A distributed Bragg reflector (DBR) includes a base substrate and a gain medium formed on the base substrate. A waveguide positioned above the base substrate in optical communication with the gain medium and defines a gap extending between the base substrate and the waveguide along a substantial portion of the length thereof. The waveguide may have a grating formed therein. A heating element is in thermal contact with the waveguide and electrically coupled to a controller configured to adjust optical properties of the waveguide by controlling power supplied to the heating element.

    摘要翻译: 分布式布拉格反射器(DBR)包括基底和在基底上形成的增益介质。 位于基底基板上方的波导与增益介质光通信,并且沿着其长度的大部分限定在基底基板和波导之间延伸的间隙。 波导可以具有形成在其中的光栅。 加热元件与波导热接触并电耦合到控制器,该控制器被配置为通过控制供应给加热元件的功率来调节波导的光学性质。

    Optical resonator and tunable laser
    26.
    发明授权
    Optical resonator and tunable laser 有权
    光学谐振器和可调激光器

    公开(公告)号:US08064490B2

    公开(公告)日:2011-11-22

    申请号:US12458686

    申请日:2009-07-20

    申请人: Hideaki Okayama

    发明人: Hideaki Okayama

    IPC分类号: H01S3/10

    摘要: An optical resonator has a Y-branched waveguide including first, second, and third optical waveguides interconnected at a single point. The first optical waveguide leads toward a reflector. The second and third optical waveguides are optically interconnected by a curved extension of the second and third optical waveguides, or by an independent ring waveguide to which the second and third optical waveguides are directionally coupled. At least one wavelength selector such as a Mach-Zehnder interferometer is formed in one or both of the second and third optical waveguides. This optical resonator is small in size and can be tuned by means of a single parameter. A tunable laser can be formed by inserting an optical amplifier between the first optical waveguide and the reflector.

    摘要翻译: 光学谐振器具有包括在单个点互连的第一,第二和第三光波导的Y分支波导。 第一光波导通向反射器。 第二和第三光波导通过第二和第三光波导的弯曲延伸部分或通过第二和第三光波导定向耦合的独立环形波导光学互连。 在第二和第三光波导中的一个或两个中形成至少一个波长选择器,例如马赫 - 曾德干涉仪。 该光谐振器的尺寸小,可以通过单个参数进行调谐。 可以通过在第一光波导和反射器之间插入光放大器来形成可调谐激光器。

    Integrated photonic circuit
    28.
    发明授权
    Integrated photonic circuit 有权
    集成光子电路

    公开(公告)号:US07957618B2

    公开(公告)日:2011-06-07

    申请号:US11909776

    申请日:2005-03-17

    IPC分类号: G02B6/42

    摘要: An integrated photonic circuit includes waveguides (12-19) and other photonic components. The photonic circuit has a first part (1) and a second part (2), the first part and the second part being connected to a mirror in the form of a half 2×2 multimode interferometer (MMI) (32), which comprises solely one half MMI (31) in a longitudinal direction, the half MMI (32) having two ports (33, 34) and being arranged to reflect half of the light that is incident on one of the ports to one port and transmit half of the incident light to the second port, and the free surface (35) of the half MMI (32) having been treated with a highly reflective material.

    摘要翻译: 集成光子电路包括波导(12-19)和其他光子组件。 光子电路具有第一部分(1)和第二部分(2),第一部分和第二部分连接到半像素2×2多模干涉仪(MMI)(32)形式的反射镜,其包括 一半MMI(31)在纵向方向上,半MMI(32)具有两个端口(33,34),并且被布置成将入射在一个端口上的一半的光反射到一个端口,并传输一半 入射到第二端口的入射光,以及已经用高反射材料处理的半MMI(32)的自由表面(35)。

    DBR laser with improved thermal tuning efficiency
    30.
    发明授权
    DBR laser with improved thermal tuning efficiency 有权
    DBR激光器具有改进的热调谐效率

    公开(公告)号:US07778295B2

    公开(公告)日:2010-08-17

    申请号:US12152407

    申请日:2008-05-14

    IPC分类号: H01S3/04 H01S3/10 H01S5/00

    摘要: A distributed Bragg reflector (DBR) includes a base substrate and a gain medium formed on the base substrate. A waveguide positioned above the base substrate in optical communication with the gain medium and defines a gap extending between the base substrate and the waveguide along a substantial portion of the length thereof. The waveguide may have a grating formed therein. A heating element is in thermal contact with the waveguide and electrically coupled to a controller configured to adjust optical properties of the waveguide by controlling power supplied to the heating element.

    摘要翻译: 分布式布拉格反射器(DBR)包括基底和在基底上形成的增益介质。 位于基底基板上方的波导与增益介质光通信,并且沿着其长度的大部分限定在基底基板和波导之间延伸的间隙。 波导可以具有形成在其中的光栅。 加热元件与波导热接触并电耦合到控制器,该控制器被配置为通过控制供应给加热元件的功率来调节波导的光学性质。