Wavelength tunable light source
    3.
    发明授权
    Wavelength tunable light source 有权
    波长可调光源

    公开(公告)号:US08542425B2

    公开(公告)日:2013-09-24

    申请号:US12971233

    申请日:2010-12-17

    IPC分类号: G02F1/03

    摘要: A wavelength tunable light source includes: an optical gain medium generating light; a wavelength tunable filter positioned on a optical path and transmitting or reflecting only a predetermined wavelength generated from and injected into the optical gain medium; a first housing where the optical gain medium and the wavelength tunable filter are mounted; and an optical fiber block providing the optical wave having the predetermined wavelength come from the wavelength tunable filter, wherein the wavelength tunable filter comprised of a dielectric thin-film filter formed by alternately stacking a first dielectric thin film layer and a second dielectric thin film layer having different refractive index.

    摘要翻译: 波长可调光源包括:产生光的光学增益介质; 位于光路上的波长可调滤波器,仅传输或反射从光增益介质产生和注入的预定波长; 安装光学增益介质和波长可调滤波器的第一壳体; 提供具有预定波长的光波长的光纤块来自波长可调谐滤波器,其中波长可调滤波器由通过交替地堆叠第一介电薄膜层和第二介电薄膜层而形成的电介质薄膜滤波器组成 具有不同的折射率。

    WAVELENGTH TUNABLE LIGHT SOURCE
    5.
    发明申请
    WAVELENGTH TUNABLE LIGHT SOURCE 有权
    波长可调光源

    公开(公告)号:US20110149365A1

    公开(公告)日:2011-06-23

    申请号:US12971233

    申请日:2010-12-17

    IPC分类号: H01S5/068 G02B5/28 G02F1/17

    摘要: A wavelength tunable light source includes: an optical gain medium generating light; a wavelength tunable filter positioned on a optical path and transmitting or reflecting only a predetermined wavelength generated from and injected into the optical gain medium; a first housing where the optical gain medium and the wavelength tunable filter are mounted; and an optical fiber block providing the optical wave having the predetermined wavelength come from the wavelength tunable filter, wherein the wavelength tunable filter comprised of a dielectric thin-film filter formed by alternately stacking a first dielectric thin film layer and a second dielectric thin film layer having different refractive index.

    摘要翻译: 波长可调光源包括:产生光的光学增益介质; 位于光路上的波长可调滤波器,仅传输或反射从光增益介质产生和注入的预定波长; 安装光学增益介质和波长可调滤波器的第一壳体; 并且提供具有预定波长的光波长的光纤块来自波长可调谐滤波器,其中波长可调滤波器由通过交替堆叠第一介电薄膜层和第二介电薄膜层形成的电介质薄膜滤波器组成 具有不同的折射率。

    APPARATUS AND METHOD FOR OLT AND ONU FOR WAVELENGTH AGNOSTIC WAVELENGTH-DIVISION MULTIPLEXED PASSIVE OPTICAL NETWORKS
    8.
    发明申请
    APPARATUS AND METHOD FOR OLT AND ONU FOR WAVELENGTH AGNOSTIC WAVELENGTH-DIVISION MULTIPLEXED PASSIVE OPTICAL NETWORKS 有权
    波长和波长长波分多址无源光网络的OLT和ONU的装置和方法

    公开(公告)号:US20110026923A1

    公开(公告)日:2011-02-03

    申请号:US12445935

    申请日:2007-07-06

    IPC分类号: H04J14/02 H01S5/06

    摘要: In a Wavelength-Division-Multiplexed Passive Optical Network (WDM-PON) utilizing a conventional downstream optical signal reusing method, there is an inventory problem that different optical transmitter types need to be provided for the operation, management, replacement, etc. of a system. A WDM-PON system according to the present invention, includes: a seed light (SL) unit generating a seed light whose wavelength intervals and center wavelengths are adjusted using at least one seed light source; an optical line terminal (OLT) receiving the wavelength-multiplexed seed light from the seed light unit, transmitting a downstream optical signal to a subscriber of the WDM-PON, and receiving a upstream optical signal from the subscriber; and an optical network unit (ONU) receiving the downstream optical signal from the OLT, flattening and modulating the downstream optical signal with upstream data so that the downstream optical signal is reused for carrying upstream data. It is possible to improve the quality and reliability of downstream transmission by sufficiently increasing an extinction ratio, and improve the quality and reliability of upstream transmission by sufficiently flattening an input downstream optical signal in a semiconductor optical amplifier.

    摘要翻译: 在利用传统的下行光信号重用方法的波分复用无源光网络(WDM-PON)中,存在一种库存问题,需要为不同的光发射机类型提供不同的光发射机类型的操作,管理,替换等 系统。 根据本发明的WDM-PON系统包括:种子光(SL)单元,其生成使用至少一个种子光源调整其波长间隔和中心波长的种子光; 接收来自种子光单元的波长复用种子光的光线路终端(OLT)向下行光信号发送WDM-PON的用户,并从用户接收上行光信号; 以及从OLT接收下行光信号的光网络单元(ONU),用下游数据对下行光信号进行平坦化和调制,使下游光信号重新用于承载上行数据。 通过充分提高消光比可以提高下游传输的质量和可靠性,通过在半导体光放大器中充分平坦化输入下行光信号,提高上行传输的质量和可靠性。