Interferometric optical device including an optical resonator

    公开(公告)号:US06281977B1

    公开(公告)日:2001-08-28

    申请号:US09358445

    申请日:1999-07-22

    IPC分类号: G01B902

    摘要: A method and circuit is disclosed wherein two waveguides coupled to an optical resonant ring resonator are further coupled such that beams propagating therein interfere with one another to provide a desired output response. In one embodiment, multiplexed channels of light can be demultiplexed by the device described heretofore, or alternatively, the phase relationship between these two beams can be altered prior to their being combined to provide, for example, a linearized output response useful in applications such as wavelength locking. By varying the reflectivity of the FSR and the coupling ratios and/or by varying the phase relationship between the two beams, a variety of desired output responses can be realized. By providing suitable coupling ratios and providing optical path lengths of the two waveguides which are identical between the ring resonator and the couplers coupling the two waveguides as well as having the couplers placed 180 degrees opposite to each other, an interleaver/de-interleaver function is realized.

    Optical wavelength router based on polarization interferometer
    42.
    发明授权
    Optical wavelength router based on polarization interferometer 失效
    基于偏振干涉仪的光波长路由器

    公开(公告)号:US06243200B1

    公开(公告)日:2001-06-05

    申请号:US09547812

    申请日:2000-04-11

    申请人: Gan Zhou Kuang-Yi Wu

    发明人: Gan Zhou Kuang-Yi Wu

    IPC分类号: G02B530

    摘要: A method and apparatus for optical wavelength routing separates even and odd optical channels from an input WDM signal. The input beam is first converted to at least one pair of orthogonally-polarized beams. A split-mirror resonator has a front mirror with two regions having different reflectivities, and a reflective back mirror spaced a predetermined distance behind the front mirror. Each of the orthogonally-polarized beams is incident on a corresponding region of the front mirror of the split-mirror resonator. A portion of each beam is reflected by the front mirror, while the remainder of each beam enters the resonator cavity where it is reflected by the back mirror back through the front mirror. The group delay of each reflected beam is strongly dependent on wavelength. The two reflected beams from the resonator are combined and interfere in a birefringent element (e.g., a beam displacer or waveplates) to produce a beam having mixed polarization as a function of wavelength. The polarized components of this beam are separated by a polarization-dependent routing element (e.g., a polarized beamsplitter) to produce two output beams containing complementary subsets of the input optical spectrum (e.g., even optical channels are routed to output port A and odd optical channels are routed to output port B).

    摘要翻译: 用于光波长路由的方法和装置将偶数和奇数光信道与输入WDM信号分开。 输入光束首先被转换成至少一对正交偏振光束。 分裂镜谐振器具有前反射镜,具有不同反射率的两个区域,以及在前反射镜后面隔开预定距离的反射后视镜。 每个正交偏振光束入射在分裂镜谐振器的前反射镜的相应区域上。 每个光束的一部分被前反射镜反射,而每个光束的其余部分进入谐振腔,在其中反射镜通过前反射镜反射回来。 每个反射光束的群延迟强烈依赖于波长。 来自谐振器的两个反射光束被组合并且干涉双折射元件(例如,光束置换器或波片),以产生具有作为波长的函数的混合极化的光束。 该光束的偏振分量由偏振相关的路由元件(例如,偏振分束器)分离,以产生包含输入光谱的互补子集的两个输出光束(例如,甚至光信道被路由到输出端口A和奇数光 通道路由到输出端口B)。

    Optical signal interleaver
    43.
    发明授权
    Optical signal interleaver 有权
    光信号交织器

    公开(公告)号:US06169626A

    公开(公告)日:2001-01-02

    申请号:US09342892

    申请日:1999-06-29

    IPC分类号: G02F101

    摘要: An interleaver and a deinterleaver for filtering optical signals are described. The interleaver separates subsets of channels. The deinterleavers mix subsets of channels. Interleavers and deinterleavers can be used to increase the bandwidth of an optical network. The interleavers and deinterleavers can be used to interface components designed for a first channel spacing to components designed for a second channel spacing.

    摘要翻译: 描述了用于滤波光信号的交织器和解交织器。 交织器分离信道子集。 去交织器混合通道子集。 交织器和解交织器可用于增加光网络的带宽。 交织器和解交织器可用于将为第一信道间隔设计的组件与为第二信道间隔设计的组件进行接口。

    Nonlinear interferometer for fiber optic dense wavelength division multiplexer utilizing a phase bias element to separate wavelengths in an optical signal
    44.
    发明授权
    Nonlinear interferometer for fiber optic dense wavelength division multiplexer utilizing a phase bias element to separate wavelengths in an optical signal 有权
    利用相位偏置元件分离光信号中的波长的光纤密集波分复用器的非线性干涉仪

    公开(公告)号:US06169604A

    公开(公告)日:2001-01-02

    申请号:US09247253

    申请日:1999-02-10

    申请人: Simon X. F. Cao

    发明人: Simon X. F. Cao

    IPC分类号: G01B902

    摘要: A nonlinear interferometer wavelength separation mechanism for use in a dense wavelength division multiplexer is provided. The mechanism includes a first glass plate optically coupled to a second glass plate, forming a space therebetween; a mechanism for introducing a phase shift at least one channel of an optical signal; and a mechanism for broadening a pass band of the optical signal. The nonlinear interferometer of the present invention allows a dense wavelength division multiplexer to have an ease in alignment and a higher tolerance to drifts due to the increase in the width of the pass band. It also has the added ability of being passively stable to temperature.

    摘要翻译: 提供了一种用于密集波分复用器的非线性干涉仪波长分离机构。 该机构包括光学耦合到第二玻璃板的第一玻璃板,在其间形成空间; 用于引入光信号的至少一个通道的相移的机构; 以及用于使光信号的通带变宽的机构。 本发明的非线性干涉仪允许密集波分多路复用器具有易于对准的优点,并且由于通带宽度的增加而对漂移具有更高的容限。 它还具有被动地对温度稳定的附加能力。

    WAVELENGTH DIVISION MULTIPLEXING OPTICAL RECEIVER
    48.
    发明申请
    WAVELENGTH DIVISION MULTIPLEXING OPTICAL RECEIVER 有权
    波长多路复用光接收机

    公开(公告)号:US20150381301A1

    公开(公告)日:2015-12-31

    申请号:US14844432

    申请日:2015-09-03

    申请人: FUJITSU LIMITED

    发明人: Seokhwan Jeong

    摘要: The present invention relates to a wavelength division multiplexing optical receiver and eliminates excess loss of one polarization component while eliminating the need for a polarization-independent operation of a light receiver. An input waveguide, made of a silicon wire waveguide, is connected to a loop waveguide equipped with a polarization rotator over a polarization beam splitter. A ring waveguide equipped with an output waveguide configuring an add-drop ring resonator array is optically connected to the loop waveguide. The output light from ports at both sides of the output waveguide is incident onto first and second light-receiving surfaces of alight receiver such that the optical distances are equal to each other.

    摘要翻译: 波分复用光接收机技术领域本发明涉及一种波分复用光接收机,消除了一个偏振分量的过多损耗,同时消除了对光接收机的偏振无关操作的需要。 由硅线波导制成的输入波导连接到在偏振分束器上配有偏振旋转器的环形波导。 配备有构成分插环谐振器阵列的输出波导的环形波导与环形波导光学连接。 来自输出波导两侧的端口的输出光入射到照明接收器的第一和第二光接收表面上,使得光学距离彼此相等。

    Reinforced multi-body optical devices
    49.
    发明授权
    Reinforced multi-body optical devices 有权
    强化多体光学装置

    公开(公告)号:US09097908B2

    公开(公告)日:2015-08-04

    申请号:US14557244

    申请日:2014-12-01

    摘要: Disclosed in one example embodiment is a method for fabricating a reinforced multi-body optical device. One method involves applying a coating to sides of an interior plate and bonding two plates to either side of the interior plate. The bonded plates are diced at an angle that is not orthogonal to the bonded plates. The top and bottom portions of a diced section are removed to form a multi-body polarization beam splitter (PBS) having a generally rectangular perimeter. A supporting plate is bonded to the multi-body PBS to form a reinforced multi-body PBS, wherein the supporting plate has a CTE that is within about 0.5 parts per million of the CTE of the multi-body PBS. The multi-body PBS is grinded to reduce the thickness of the multi-body PBS.

    摘要翻译: 在一个示例性实施例中公开了一种用于制造增强的多体光学装置的方法。 一种方法包括将涂层施加到内板的侧面并将两个板粘合到内板的任一侧。 接合的板以与结合板不正交的角度切割。 去除切割部分的顶部和底部以形成具有大致矩形周长的多体偏振分束器(PBS)。 支撑板结合到多体PBS以形成增强的多体PBS,其中支撑板具有在多体PBS的CTE的约0.5百万分之内的CTE。 研磨多体PBS以减少多体PBS的厚度。

    Reinforced multi-body optical devices
    50.
    发明授权
    Reinforced multi-body optical devices 有权
    强化多体光学装置

    公开(公告)号:US08903206B2

    公开(公告)日:2014-12-02

    申请号:US12941284

    申请日:2010-11-08

    IPC分类号: G02B6/28 G02B6/27

    摘要: Reinforced multi-body optical devices. In one example embodiment, a method for fabricating a reinforced multi-body optical device includes various acts. First, a supporting plate is bonded, using pressure and heat, to a multi-body optical device to form a reinforced multi-body optical device. The supporting plate has a coefficient of thermal expansion (CTE) that is within about 0.5 parts per million of the CTE of the multi-body optical device. Then, the multi-body optical device is ground to reduce the thickness of the multi-body optical device.

    摘要翻译: 强化多体光学装置。 在一个示例性实施例中,用于制造增强的多体光学装置的方法包括各种动作。 首先,使用压力和热量将支撑板结合到多体光学装置,以形成增强的多体光学装置。 支撑板的热膨胀系数(CTE)在多体光学装置的CTE的百万分之几左右内。 然后,研磨多体光学器件以减小多体光学器件的厚度。