Configuring optical launch powers in optical fiber transmission lines
    1.
    发明申请
    Configuring optical launch powers in optical fiber transmission lines 失效
    配置光纤传输线路的光发射功率

    公开(公告)号:US20070081778A1

    公开(公告)日:2007-04-12

    申请号:US11239175

    申请日:2005-09-29

    IPC分类号: G02B6/02

    CPC分类号: H04B10/2935

    摘要: A method includes transmitting optical signals through a heterogeneous sequence of spans of an all-optical transmission line. Each span has an optical transmission fiber connected to an optical amplifier. Each amplifier launches the signals into a sequential remainder of the line. The transmitting includes launching the optical signals into the highest loss fibers with substantially equal average optical launch powers or operating the spans with the highest loss fibers to have substantially equal quality products. The average optical launch powers are substantially equal to the inverse of a sum of (1−Tj)γj/[φNL·αj] over the highest loss fibers. The parameters Tj, γj, and αj are the respectiveare, respectively, transmissivity, nonlinear optical coefficient, and loss coefficient of the fiber of the j-th span. The parameter φNL is the line's cumulative nonlinear phase shift. Each quality product is the per-span optical signal-to-noise ratio of the associated span times the nonlinear phase shift of the associated span.

    摘要翻译: 一种方法包括通过全光传输线的异构序列传输光信号。 每个跨距具有连接到光放大器的光传输光纤。 每个放大器将信号发射到该行的连续剩余部分。 发射包括将光信号发射到具有基本相等的平均光发射功率的最高损耗光纤中,或者以最高损耗光纤操作跨度以具有基本相同的质量产品。 平均光发射功率基本上等于(1-T>>)gamma gamma gamma gamma a a pha pha pha pha pha pha pha pha pha pha pha pha pha pha pha pha pha pha pha pha 在最高损耗的纤维上。 参数T j,j,j,j和j分别分别为光纤的透射率,非线性光学系数和损耗系数 的第j个跨度。 参数phi 是线的累积非线性相移。 每个质量产品是相关跨距的跨跨度光信噪比乘以相关跨度的非线性相移。

    Configuring optical launch powers in optical fiber transmission lines
    2.
    发明授权
    Configuring optical launch powers in optical fiber transmission lines 有权
    配置光纤传输线路的光发射功率

    公开(公告)号:US08938145B2

    公开(公告)日:2015-01-20

    申请号:US12008481

    申请日:2008-01-11

    IPC分类号: G02B6/00 H04B10/293

    CPC分类号: H04B10/2935

    摘要: A method includes transmitting optical signals through a heterogeneous sequence of spans of an all-optical transmission line. Each span has an optical transmission fiber connected to an optical amplifier. Each amplifier launches the signals into a sequential remainder of the line. The transmitting includes launching the optical signals into the highest loss fibers with substantially equal average optical launch powers or operating the spans with the highest loss fibers to have substantially equal quality products. The average optical launch powers are substantially equal to the inverse of a sum of (1−Tj)γj/[φNL·αj] over the highest loss fibers. The parameters Tj, γj, and αj are the respective are, respectively, transmissivity, nonlinear optical coefficient, and loss coefficient of the fiber of the j-th span. The parameter φNL is the line's cumulative nonlinear phase shift. Each quality product is the per-span optical signal-to-noise ratio of the associated span times the nonlinear phase shift of the associated span.

    摘要翻译: 一种方法包括通过全光传输线的异构序列传输光信号。 每个跨距具有连接到光放大器的光传输光纤。 每个放大器将信号发射到该行的连续剩余部分。 发射包括将光信号发射到具有基本相等的平均光发射功率的最高损耗光纤中,或者以最高损耗光纤操作跨度以具有基本相同的质量产品。 平均光发射功率基本上等于最高损耗光纤之间的(1-Tj)γj/ [&phgr; NL·αj]之和的倒数。 参数Tj,γj和αj分别分别是第j个跨度的光纤的透射率,非线性光学系数和损耗系数。 参数&phgr; NL是线的累积非线性相移。 每个质量产品是相关跨距的跨跨度光信噪比乘以相关跨度的非线性相移。

    Long wavelength vertical cavity surface emitting laser
    3.
    发明授权
    Long wavelength vertical cavity surface emitting laser 失效
    长波长垂直腔表面发射激光

    公开(公告)号:US5903586A

    公开(公告)日:1999-05-11

    申请号:US903670

    申请日:1997-07-30

    摘要: A VCSEL for emitting long wavelength light including a GaAs substrate element, a first mirror stack with mirror pairs in a GaAs/AlGaAs material system lattice matched to a GaInAsN active region with an active structure sandwiched between a first cladding region adjacent the first mirror stack, and a second cladding region. The first and second cladding regions including an InGaP/GaAs material system. The active structure includes a nitride based quantum well and either a GaAsP or a GaAs barrier layer. A second mirror stack is lattice matched to the second cladding region and has mirror pairs in a GaAs/AlGaAs material system.

    摘要翻译: 一种用于发射包括GaAs衬底元件的长波长的VCSEL,在GaAs / AlGaAs材料体系中具有镜对的第一反射镜叠层,其与GaInAsN有源区域匹配,其中活性结构夹在邻近第一反射镜叠层的第一包层区域之间, 和第二包层区域。 第一和第二包层区包括InGaP / GaAs材料体系。 有源结构包括氮化物基量子阱以及GaAsP或GaAs阻挡层。 第二反射镜堆叠与第二包层区域晶格匹配,并且在GaAs / AlGaAs材料体系中具有镜对。

    Vertical cavity surface emitting laser with phase shift mask
    4.
    发明授权
    Vertical cavity surface emitting laser with phase shift mask 失效
    具有相移掩模的垂直腔表面发射激光器

    公开(公告)号:US5917848A

    公开(公告)日:1999-06-29

    申请号:US895780

    申请日:1997-07-17

    IPC分类号: H01S5/183 H01S3/085

    摘要: A vertical cavity surface emitting laser (VCSEL) with an integrated phase shift mask for use in an optical pickup head for high density optical storage applications and a method of fabrication. The VCSEL is capable of emitting a power output of at least 10 mW. The phase shift mask is integrated with the VCSEL to allow for a 180.degree. shift in light emitted therethrough, thereby creating a reduced focal spot size for high density data write applications. The VCSEL with integrated phase shift mask is utilized in an optical pickup head capable of high density read and write applications for both CDs and DVDs.

    摘要翻译: 具有集成相移掩模的垂直腔表面发射激光器(VCSEL),用于用于高密度光存储应用的光学拾取头和制造方法。 VCSEL能够发射至少10 mW的功率输出。 相移掩模与VCSEL集成,以允许在其中发射的光的180度偏移,从而为高密度数据写入应用产生减小的焦点尺寸。 具有集成相移掩模的VCSEL被用于能够对于CD和DVD进行高密度读和写应用的光学拾取头。

    Reliable near IR VCSEL
    5.
    发明授权
    Reliable near IR VCSEL 失效
    靠近IR VCSEL可靠

    公开(公告)号:US5832017A

    公开(公告)日:1998-11-03

    申请号:US616419

    申请日:1996-03-15

    IPC分类号: H01S5/183 H01S3/19 H01L21/20

    摘要: A near IR VCSEL including a mirror stack positioned on a substrate, formed of a plurality of pairs of relatively high and low index of refraction layers a second mirror stack formed of a plurality of pairs of relatively high and low index of refraction layers, an active region sandwiched between the first stack and the second stack, the active region being formed of active layers of GaInAsP having barrier layers of GaAlAs sandwiched therebetween.

    摘要翻译: 近红外VCSEL,包括位于基板上的反射镜堆叠,由多对相对较高和较低的折射率层组成,第二反射镜叠层由多对相对较高和较低的折射率折射率层组成,主动 区域夹在第一堆叠和第二堆叠之间,有源区域由具有夹在其间的GaAlAs阻挡层的GaInAsP的有源层形成。

    Passivated vertical cavity surface emitting laser
    8.
    发明授权
    Passivated vertical cavity surface emitting laser 失效
    钝化垂直腔表面发射激光

    公开(公告)号:US5719893A

    公开(公告)日:1998-02-17

    申请号:US682473

    申请日:1996-07-17

    摘要: A passivated vertical cavity surface emitting laser including a first stack of distributed Bragg reflectors disposed on the surface of a semiconductor substrate, a first cladding region disposed on the first stack, an active region disposed on the first cladding region, a second cladding region disposed on the active region, and a second stack of distributed Bragg reflectors disposed on the second cladding region. A passivation layer having an optical thickness of an integral multiple of approximately one half of the wavelength of emitted light is disposed on the vertical cavity surface emitting laser.

    摘要翻译: 一种被钝化的垂直腔表面发射激光器,包括设置在半导体衬底的表面上的分布式布拉格反射器的第一堆叠,设置在第一堆叠上的第一包层区域,设置在第一包层区域上的有源区域, 有源区和布置在第二包层区上的分布布拉格反射器的第二叠层。 在垂直空腔表面发射激光器上设置具有发射光波长的约一半的光学厚度的整体倍数的钝化层。

    Configuring optical launch powers in optical fiber transmission lines
    9.
    发明申请
    Configuring optical launch powers in optical fiber transmission lines 有权
    配置光纤传输线路的光发射功率

    公开(公告)号:US20120170943A1

    公开(公告)日:2012-07-05

    申请号:US12008481

    申请日:2008-01-11

    IPC分类号: H04B10/12

    CPC分类号: H04B10/2935

    摘要: A method includes transmitting optical signals through a heterogeneous sequence of spans of an all-optical transmission line. Each span has an optical transmission fiber connected to an optical amplifier. Each amplifier launches the signals into a sequential remainder of the line. The transmitting includes launching the optical signals into the highest loss fibers with substantially equal average optical launch powers or operating the spans with the highest loss fibers to have substantially equal quality products. The average optical launch powers are substantially equal to the inverse of a sum of (1−Tj)γj/[φNL·αj] over the highest loss fibers. The parameters Tj, γj, and αj are the respective are, respectively, transmissivity, nonlinear optical coefficient, and loss coefficient of the fiber of the j-th span. The parameter φNL is the line's cumulative nonlinear phase shift. Each quality product is the per-span optical signal-to-noise ratio of the associated span times the nonlinear phase shift of the associated span.

    摘要翻译: 一种方法包括通过全光传输线的异构序列传输光信号。 每个跨距具有连接到光放大器的光传输光纤。 每个放大器将信号发射到该行的连续剩余部分。 发射包括将光信号发射到具有基本相等的平均光发射功率的最高损耗光纤中,或者以最高损耗光纤操作跨度以具有基本相同的质量产品。 平均光发射功率基本上等于最高损耗光纤之间的(1-Tj)γj/ [&phgr; NL·αj]之和的倒数。 参数Tj,γj和αj分别分别是第j个跨度的光纤的透射率,非线性光学系数和损耗系数。 参数&phgr; NL是线的累积非线性相移。 每个质量产品是相关跨距的跨跨度光信噪比乘以相关跨度的非线性相移。

    Configuring optical launch powers in optical fiber transmission lines
    10.
    发明授权
    Configuring optical launch powers in optical fiber transmission lines 失效
    配置光纤传输线路的光发射功率

    公开(公告)号:US07379647B2

    公开(公告)日:2008-05-27

    申请号:US11239175

    申请日:2005-09-29

    IPC分类号: G02B6/02

    CPC分类号: H04B10/2935

    摘要: A method includes transmitting optical signals through a heterogeneous sequence of spans of an all-optical transmission line. Each span has an optical transmission fiber connected to an optical amplifier. Each amplifier launches the signals into a sequential remainder of the line. The transmitting includes launching the optical signals into the highest loss fibers with substantially equal average optical launch powers or operating the spans with the highest loss fibers to have substantially equal quality products. The average optical launch powers are substantially equal to the inverse of a sum of (1−Tj)γj/[φNL·αj] over the highest loss fibers. The parameters Tj, γj, and αj are the respectiveare, respectively, transmissivity, nonlinear optical coefficient, and loss coefficient of the fiber of the j-th span. The parameter φNL is the line's cumulative nonlinear phase shift. Each quality product is the per-span optical signal-to-noise ratio of the associated span times the nonlinear phase shift of the associated span.

    摘要翻译: 一种方法包括通过全光传输线的异构序列传输光信号。 每个跨距具有连接到光放大器的光传输光纤。 每个放大器将信号发射到该行的连续剩余部分。 发射包括将光信号发射到具有基本相等的平均光发射功率的最高损耗光纤中,或者以最高损耗光纤操作跨度以具有基本相同的质量产品。 平均光发射功率基本上等于(1-T>>)gamma gamma gamma gamma a a pha pha pha pha pha pha pha pha pha pha pha pha pha pha pha pha pha pha pha pha 在最高损耗的纤维上。 参数T j,j,j,j和j分别分别为光纤的透射率,非线性光学系数和损耗系数 的第j个跨度。 参数phi 是线的累积非线性相移。 每个质量产品是相关跨距的跨跨度光信噪比乘以相关跨度的非线性相移。