中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

39 records (took 0.01 seconds)

    Logic element employing saturable absorber
    31.
    发明授权
    Logic element employing saturable absorber 有权
    使用可饱和吸收器的逻辑元件

    公开(公告)号：US06822591B2

    公开(公告)日：2004-11-23

    申请号：US10682453

    申请日：2003-10-08

    Applicant: Hyun Soo Kim ,  Jong Hoi Kim ,  Eun Deok Sim ,  Kang Ho Kim ,  Oh Kee Kwon ,  Kwang Ryong Oh

    Inventor： Hyun Soo Kim ,  Jong Hoi Kim ,  Eun Deok Sim ,  Kang Ho Kim ,  Oh Kee Kwon ,  Kwang Ryong Oh

    IPC: H03M100

    CPC classification number: G02F3/00 ,  G02F1/3517

    Abstract: The present invention relates to all-optical OR and XOR logic elements employing saturable absorbers as optical gates. Saturable absorbers are arranged in paths of the Mach-Zehnder interferometer, respectively. If the total power of an input optical signal and a continuous wave signal is higher than a transparent input power of the saturable absorbers, the input optical signal passes through the saturable absorbers, and then the optical signals through the two paths are combined, so that it is possible to obtain the operational characteristics of the OR and XOR logic elements. According to the present invention, unlike the optical logic element using a cross-phase modulation by a semiconductor optical amplifier, phase difference depending upon the input optical power is not generated between two paths, so that it is possible to alleviate a restriction of an allowable range of the input optical power.

    Abstract translation: 本发明涉及采用可饱和吸收器作为光栅的全光学OR和异或逻辑元件。 可饱和吸收器分别布置在马赫 - 曾德干涉仪的路径上。 如果输入光信号和连续波信号的总功率高于可饱和吸收体的透明输入功率，则输入光信号通过可饱和吸收体，然后将通过两条路径的光信号合并，使得 可以获得OR和XOR逻辑元件的操作特性。根据本发明，与使用半导体光放大器的交叉相位调制的光逻辑元件不同，不产生取决于输入光功率的相位差 在两个路径之间，使得可以减轻对输入光功率的允许范围的限制。

    SPOT SIZE CONVERTERS AND METHODS OF MANUFACTURING THE SAME
    32.
    发明申请
    SPOT SIZE CONVERTERS AND METHODS OF MANUFACTURING THE SAME 有权
    SPOT SIZE转换器及其制造方法

    公开(公告)号：US20130266263A1

    公开(公告)日：2013-10-10

    申请号：US13618353

    申请日：2012-09-14

    Applicant: Oh Kee KWON ,  Chul-Wook LEE ,  Dong-Hun LEE ,  Young Ahn LEEM ,  Young-Tak HAN ,  Yongsoon BAEK ,  Yun C. CHUNG

    Inventor： Oh Kee KWON ,  Chul-Wook LEE ,  Dong-Hun LEE ,  Young Ahn LEEM ,  Young-Tak HAN ,  Yongsoon BAEK ,  Yun C. CHUNG

    IPC: G02B6/26 ,  H01P11/00

    CPC classification number: G02B6/1228 ,  G02B6/305

    Abstract: Provided are a spot size converter and a method of manufacturing the spot size converter. The method includes stacking a lower clad layer, a core layer, and a first upper clad layer on a substrate, tapering the first upper clad layer and the core layer in a first direction on a side of the substrate, forming a waveguide layer on the first upper clad layer and the lower clad layer, and etching the waveguide layer, the first upper clad layer, the core layer, and the lower clad layer such that the waveguide layer is wider than a tapered portion of the core layer on the side of the substrate and has the same width as that of the core layer on another side of the substrate.

    Abstract translation: 提供了点尺寸转换器和制造光斑尺寸转换器的方法。 该方法包括在基板上层叠下包层，芯层和第一上包覆层，使第一上包覆层和芯层在衬底侧沿第一方向逐渐变细，在衬底的一侧上形成波导层 第一上包覆层和下包层，并且蚀刻波导层，第一上包层，芯层和下包层，使得波导层比芯层的锥形部分宽 并且具有与基板的另一侧上的芯层的宽度相同的宽度。

    MULTICHANNEL TRANSMITTER OPTICAL MODULE
    33.
    发明申请
    MULTICHANNEL TRANSMITTER OPTICAL MODULE 审中-公开
    多通道发射器光模块

    公开(公告)号：US20130148975A1

    公开(公告)日：2013-06-13

    申请号：US13585537

    申请日：2012-08-14

    Applicant: Oh Kee KWON ,  Young-Tak Han ,  Chul-Wook Lee ,  Dong-Hun Lee ,  Young Ahn Leem ,  Jang Uk Shin ,  Sang Ho Park ,  Yun C. Chung ,  Yongsoon Baek

    Inventor： Oh Kee KWON ,  Young-Tak Han ,  Chul-Wook Lee ,  Dong-Hun Lee ,  Young Ahn Leem ,  Jang Uk Shin ,  Sang Ho Park ,  Yun C. Chung ,  Yongsoon Baek

    IPC: H04B10/14

    CPC classification number: H04B10/506 ,  H04B10/2575

    Abstract: Provided is a multichannel transmitter optical module which includes a plurality of light source units configured to generate light, a plurality of an electro-absorption modulators (EAMs) configured to modulate the generated light to an optical signal through a radio frequency (RF) signal, a plurality of RF transmission lines configured to apply the RF signal to the EAMs, and a combiner configured to combine the modulated optical signal. The RF transmission lines are connected to the EAMs in a traveling wave (TW) electrode manner. The multichannel transmitter optical module has alleviated crosstalk and is compactly integrated to have a small size.

    Abstract translation: 提供了一种多通道发射器光学模块，其包括被配置为产生光的多个光源单元，多个电吸收调制器（EAM），其被配置为通过射频（RF）信号将生成的光调制到光信号， 配置为将RF信号施加到EAM的多个RF传输线，以及被配置为组合调制的光信号的组合器。 RF传输线以行波（TW）电极的方式连接到EAM。 多通道发射机光模块减轻了串扰并且紧凑地集成以具有小尺寸。

    DISTRIBUTED FEEDBACK LASER DIODE HAVING ASYMMETRIC COUPLING COEFFICIENT AND MANUFACTURING METHOD THEREOF
    34.
    发明申请
    DISTRIBUTED FEEDBACK LASER DIODE HAVING ASYMMETRIC COUPLING COEFFICIENT AND MANUFACTURING METHOD THEREOF 审中-公开
    具有不对称耦合系数的分布式反馈激光二极管及其制造方法

    公开(公告)号：US20130003771A1

    公开(公告)日：2013-01-03

    申请号：US13482247

    申请日：2012-05-29

    Applicant: Oh Kee KWON ,  Young Ahn Leem ,  Dong-Hun Lee ,  Chul-Wook Lee ,  Yongsoon Baek ,  Yun C. Chung

    Inventor： Oh Kee KWON ,  Young Ahn Leem ,  Dong-Hun Lee ,  Chul-Wook Lee ,  Yongsoon Baek ,  Yun C. Chung

    IPC: H01S5/187 ,  H01L21/02

    CPC classification number: H01S5/124 ,  H01S5/1003 ,  H01S5/2077 ,  H01S2301/163

    Abstract: Provided are a distributed feedback laser diode and a manufacturing method thereof. The distributed feedback laser diode includes a first area having a first grating layer disposed in a longitudinal direction, a second area disposed adjacent to the first area and having a second grating layer disposed in the longitudinal direction, and an active layer disposed over the first and second areas. Coupling coefficients of the first and second grating layers are made different in the first and second areas by a selective area growth method. The distributed feedback laser diode includes grating layers each having an asymmetric coefficient and is implemented within an optimal range capable of obtaining both a high front facet output and stable single mode characteristics. Thus, high manufacturing yield and low manufacturing cost can be achieved.

    Abstract translation: 提供一种分布式反馈激光二极管及其制造方法。 分布式反馈激光二极管包括具有沿纵向设置的第一光栅层的第一区域，与第一区域相邻设置的第二区域，并且具有沿纵向方向设置的第二光栅层，以及有源层，设置在第一和 第二区。 第一和第二光栅层的耦合系数通过选择性区域生长方法在第一和第二区域中不同。 分布式反馈激光二极管包括各自具有不对称系数的光栅层，并且实现在能够获得高前端面输出和稳定单模特性的最佳范围内。 因此，可以实现高制造成品率和低制造成本。

    OPTICAL COMB GENERATOR
    35.
    发明申请
    OPTICAL COMB GENERATOR 审中-公开
    光学发电机

    公开(公告)号：US20120087004A1

    公开(公告)日：2012-04-12

    申请号：US13019299

    申请日：2011-02-01

    Applicant: Oh-Kee KWON ,  Chul-Wook Lee ,  Dong-Hun Lee ,  Young Ahn Leem ,  Young-Tak Han ,  Yongsoon Baek

    Inventor： Oh-Kee KWON ,  Chul-Wook Lee ,  Dong-Hun Lee ,  Young Ahn Leem ,  Young-Tak Han ,  Yongsoon Baek

    IPC: G02F1/365

    CPC classification number: G02F1/2257 ,  G02F2001/01741 ,  G02F2001/01758 ,  G02F2203/56 ,  H01S5/0085 ,  H01S5/02248

    Abstract: Provided is an optical comb generator including a light source, a first waveguide region, a modulation region, and a second waveguide region. The light source is configured to output single-mode light. The first waveguide region divides an output of the light source into first light and second light. The modulation region includes a first modulator and a second modulator modulating the first light and the second light respectively. The second waveguide region combines outputs of the first modulator and the second modulator to output an optical comb. Here, the first modulator and the second modulator respectively include a first quantum well and a second quantum well having an asymmetric structure with respect to each other. The light source, the first waveguide region, the modulation region, and the second waveguide region are integrated into one substrate.

    Abstract translation: 提供一种包括光源，第一波导区域，调制区域和第二波导区域的光梳发生器。 光源配置为输出单模光。 第一波导区域将光源的输出分成第一光和第二光。 调制区域包括分别调制第一光和第二光的第一调制器和第二调制器。 第二波导区域组合第一调制器和第二调制器的输出以输出光梳。 这里，第一调制器和第二调制器分别包括相对于彼此具有不对称结构的第一量子阱和第二量子阱。 光源，第一波导区域，调制区域和第二波导区域被集成到一个基板中。

    OPTICAL DEVICE
    36.
    发明申请
    OPTICAL DEVICE 审中-公开
    光学装置

    公开(公告)号：US20110002583A1

    公开(公告)日：2011-01-06

    申请号：US12764786

    申请日：2010-04-21

    Applicant: Oh-Kee Kwon ,  Chul-Wook Lee ,  Dong-Hun Lee ,  Jong-Hoi Kim ,  Eundeok Sim ,  Yongsoon Baek

    Inventor： Oh-Kee Kwon ,  Chul-Wook Lee ,  Dong-Hun Lee ,  Jong-Hoi Kim ,  Eundeok Sim ,  Yongsoon Baek

    IPC: G02B6/28 ,  G02B6/34

    CPC classification number: G02B6/12014 ,  G02B6/12009 ,  G02B6/29308 ,  G02B6/2931

    Abstract: Provided is an optical device. The optical device includes a multiplexer/demultiplexer, a multimode interference (MMI) coupler, a first waveguide, and second waveguides. The multiplexer/demultiplexer splits optical signals having a plurality of channels and received through a first port according to their wavelength to provide the split optical signals to second ports, or providing input optical signals having wavelengths difference from each other and received through the second ports to the first port. The multimode interference (MMI) coupler is connected to the first port. The first waveguide is connected to the MMI coupler. The second waveguides are connected to the second ports. The MMI coupler has a width decreasing toward the multiplexer/demultiplexer.

    Abstract translation: 提供了一种光学装置。 光学装置包括多路复用器/解复用器，多模干涉（MMI）耦合器，第一波导和第二波导。 多路复用器/解复用器根据其波长分离具有多个信道并通过第一端口接收的光信号，以将分离的光信号提供给第二端口，或提供具有彼此不同的波长并通过第二端口接收的输入光信号 第一个港口。 多模干扰（MMI）耦合器连接到第一个端口。 第一个波导连接到MMI耦合器。 第二波导连接到第二端口。 MMI耦合器的宽度朝向多路复用器/解复用器递减。

    Frequency-tunable terahertz light source device
    37.
    发明授权
    Frequency-tunable terahertz light source device 失效
    频率可调太赫兹光源装置

    公开(公告)号：US07782909B2

    公开(公告)日：2010-08-24

    申请号：US12192527

    申请日：2008-08-15

    Applicant: Kwang Ryong Oh ,  Jong Hoi Kim ,  Dong Churl Kim ,  Oh Kee Kwon ,  Ki Soo Kim ,  Ki Hong Yoon

    Inventor： Kwang Ryong Oh ,  Jong Hoi Kim ,  Dong Churl Kim ,  Oh Kee Kwon ,  Ki Soo Kim ,  Ki Hong Yoon

    IPC: H01S3/30

    CPC classification number: G02F1/3534 ,  G02F2203/13 ,  H01S1/02 ,  H01S5/141 ,  H01S5/4062 ,  H01S5/4087

    Abstract: Provided is a frequency-tunable terahertz light source device. The frequency-tunable terahertz light source device satisfies a Littrow diffraction condition at a wavelength and simultaneously satisfies a Littman-Metcalf diffraction condition at another wavelength using a double diffraction grating having two grating periods. Thus, oscillations simultaneously occur at the two different wavelengths, such that a terahertz wave can be stably generated by beating of the two oscillation wavelengths. In addition, the frequency-tunable terahertz light source device can readily change a frequency up to several terahertz and can be fabricated in a small size.

    Abstract translation: 提供了一种频率可调的太赫兹光源装置。 频率可调谐的太赫兹光源装置在波长处满足Littrow衍射条件，并且使用具有两个光栅周期的双衍射光栅同时满足另一个波长的Littman-Metcalf衍射条件。 因此，振荡同时发生在两个不同的波长处，使得可以通过拍摄两个振荡波长来稳定地产生太赫兹波。 此外，频率可调谐的太赫兹光源装置可以容易地将频率改变到几个太赫兹，并且可以以小尺寸制造。

Patent Agency Ranking