公开(公告)号：US20050117622A1

公开(公告)日：2005-06-02

申请号：US11021320

申请日：2004-12-22

申请人： Thomas Lenosky ,  Giorgio Giaretta ,  Qing Deng

发明人： Thomas Lenosky ,  Giorgio Giaretta ,  Qing Deng

IPC分类号： H01S3/08 ,  H01S5/12

CPC分类号： H01S5/12 ,  H01S5/1212 ,  H01S5/1215 ,  H01S5/1225 ,  H01S5/124

摘要： This disclosure concerns distributed feedback (“DFB”) lasers. In one example, a DFB laser includes a body that has first and second end facets. The DFB laser is implemented in a stack configuration that includes an active region interposed between a first top layer and a substrate. A second top layer is disposed on the first top layer and has an index of refraction different from that of the first top layer. Additionally, a grating is defined in one of the top layers and extends from the first end facet to the second end facet. The grating includes a tooth/gap structure whose configuration varies between the first end facet and the second end facet. Finally, an antireflective (AR) coating is disposed on the first end facet and on the second end facet.

摘要翻译： 本公开涉及分布式反馈（“DFB”）激光器。 在一个示例中，DFB激光器包括具有第一和第二端面的主体。 DFB激光器以堆叠配置实现，其包括置于第一顶层和衬底之间的有源区。 第二顶层设置在第一顶层上并具有不同于第一顶层的折射率。 此外，光栅被限定在顶层中的一个中并且从第一端面延伸到第二端面。 光栅包括齿/间隙结构，其构造在第一端面和第二端面之间变化。 最后，抗反射（AR）涂层设置在第一端面和第二端面上。

公开(公告)号：US06690682B1

公开(公告)日：2004-02-10

申请号：US09444780

申请日：1999-11-22

申请人： Giorgio Giaretta ,  Ashok V. Krishnamoorthy ,  Anthony Lodovico Lentine ,  Martin C. Nuss ,  Ted Kirk Woodward

发明人： Giorgio Giaretta ,  Ashok V. Krishnamoorthy ,  Anthony Lodovico Lentine ,  Martin C. Nuss ,  Ted Kirk Woodward

IPC分类号： H04J304

CPC分类号： H04J3/047 ,  H04L49/352

摘要： A system for data transmission and communication receives a plurality of Gigabit Ethernet data packets from multiple Gigabit Ethernet links. The system bit multiplexes the data packets, on a bit by bit basis, together onto a fiber optic link. At the output of the fiber optic link, the bits are demultiplexed into data packets and transmitted onto multiple Gigabit Ethernet links. The high speed fiber optic link transmits the data at higher speed than is possible over each individual Gigabit Ethernet link.

摘要翻译： 用于数据传输和通信的系统从多个千兆以太网链路接收多个千兆以太网数据分组。 系统将数据分组逐位复用在光纤链路上。 在光纤链路的输出端，这些位被解复用为数据分组，并传输到多个千兆以太网链路。 高速光纤链路以比每个单独的千兆以太网链路更高的速度传输数据。

公开(公告)号：US06510265B1

公开(公告)日：2003-01-21

申请号：US09552773

申请日：2000-04-20

申请人： Giorgio Giaretta ,  Steven Eugene Golowich ,  Paul Francis Kolesar ,  Martin C Nuss ,  Albert John Ritger ,  Ian A White

发明人： Giorgio Giaretta ,  Steven Eugene Golowich ,  Paul Francis Kolesar ,  Martin C Nuss ,  Albert John Ritger ,  Ian A White

IPC分类号： G02B642

CPC分类号： G02B6/32 ,  G02B6/4206

摘要： A method and apparatus for overcoming modal noise penalties associated with multi-mode fiber optic links operating at high data rates on the order of 10 Gb/s. The method involves restricting the center launch condition of optical signals into the multi-mode fiber while permitting loose tolerances between source and fiber.

摘要翻译： 一种用于克服在10Gb / s量级的高数据速率下操作的多模光纤链路相关联的模态噪声损耗的方法和装置。 该方法包括将光信号的中心发射条件限制在多模光纤中，同时允许源和光纤之间的宽容差。