公开(公告)号：EP3079280A1

公开(公告)日：2016-10-12

申请号：EP14875591.1

申请日：2014-12-19

申请人： Huawei Technologies Co., Ltd.

发明人： LIU, Yaoda ,  DENG, Xiangyuan

IPC分类号： H04B10/564

CPC分类号： H04B10/564 ,  G02B6/4286 ,  G02F1/313 ,  H04B10/07955 ,  H04B10/801 ,  H04B10/807

摘要： The present invention discloses an on-chip optical network system and an optical power control method, where the on-chip optical network system includes a light source, an optical waveguide, a controller, an optical power divider, and a modulator; a lightwave emitted from the light source is transmitted to the optical power divider by using the optical waveguide; the optical power divider is configured to obtain a lightwave from the optical waveguide, and transmit the obtained lightwave to the modulator; the controller is configured to calculate first optical power, and control the optical power divider to obtain a lightwave whose optical power is the first optical power from the optical waveguide; and the first optical power is a sum of optical power required by the modulator and a first optical power loss generated during lightwave transmission between the optical power divider and the modulator. The system implements allocation of optical power on demand; therefore, cases of excessive optical power obtained by the modulator are reduced, and power consumption of the system is decreased.

摘要翻译： 本发明公开了一种片上光网络系统和光功率控制方法，其中片上光网络系统包括光源，光波导，控制器，光功率分配器和调制器; 从光源射出的光波通过光波导传输到光功率分配器; 光功率分配器被配置为从光波导获得光波，并将获得的光波传输到调制器; 控制器被配置为计算第一光功率，并且控制光功率分配器以获得光功率是来自光波导的第一光功率的光波; 并且第一光功率是调制器所需的光功率和在光功率分配器和调制器之间的光波传输期间产生的第一光功率损耗之和。 系统按要求实现光功率分配; 因此，通过调制器获得的光功率过大的情况减少，系统的功耗降低。

公开(公告)号：EP2831497A2

公开(公告)日：2015-02-04

申请号：EP13722100.8

申请日：2013-03-28

申请人： Ecole Polytechnique Fédérale de Lausanne (EPFL)

发明人： PAPADOPOULOS, Ioannis ,  FARAHI, Salma ,  MOSER, Christophe ,  PSALTIS, Demetri

IPC分类号： F21V8/00 ,  G03H1/00 ,  G02B6/028

CPC分类号： H04N1/40 ,  G01J3/0218 ,  G01J3/44 ,  G02B6/0288 ,  G02B23/26 ,  G02B26/06 ,  G02B27/58 ,  G02F1/011 ,  G02F1/0136 ,  G02F1/313 ,  G03H1/0005 ,  G03H1/2286 ,  G03H1/2294 ,  G03H2001/0434 ,  G03H2001/0447 ,  H04B10/2581

摘要： A multimode waveguide illuminator and imager relies on a wave front shaping system that acts to compensate for modal scrambling and light dispersion by the multimode waveguide. A first step consists of calibrating the multimode waveguide and a second step consists in projecting a specific pattern on the wave guide proximal end in order to produce the desire light pattern at its distal end. The illumination pattern can be scanned or changed dynamically only by changing the phase pattern projected at the proximal end of the waveguide. The third and last step consists in collecting the optical information, generated by the sample, through the same waveguide in order to form an image. Known free space microscopy technique can be adapted to endoscopy with multimode waveguide, such as, but not limited to, fluorescence imaging or Raman spectros copy or imaging, 3D linear scattering imaging or two-photon imaging. Super-resolution, i.e., resolution below the diffraction limit, is achieved for example but not limited to, using the STimulated Emission Depletion microscopy (STED) technique or the Structured Illumination Microscopy (SIM) technique or a stochastic illumination based method (PALM, STORM) in combination with the multimode waveguide imaging method.

公开(公告)号：EP2513715B1

公开(公告)日：2014-03-19

申请号：EP10703650.1

申请日：2010-02-11

申请人： Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.

发明人： COSTACHE, Florenta ,  BLASL, Martin ,  SCHENK, Harald

IPC分类号： G02F1/035 ,  G02F1/313

CPC分类号： G02F1/035 ,  G02F1/0316 ,  G02F1/313 ,  G02F2201/122

公开(公告)号：EP2364460A1

公开(公告)日：2011-09-14

申请号：EP09752463.1

申请日：2009-11-13

申请人： Cambridge Enterprise Limited

发明人： COLLINGS, Neil ,  CROSSLAND, William ,  REDMOND, Maura Michelle ,  NUGENT, David ,  ROBERTSON, Brian

IPC分类号： G02F1/295 ,  G02F1/313 ,  G02B6/35

CPC分类号： G02F1/295 ,  G02F1/136277 ,  G02F1/313 ,  G02F2203/585 ,  Y10T29/49826

摘要： This invention generally relates to an optical beam steering apparatus and a method of manufacturing an optical beam steering apparatus, and more particularly to an optical add drop multiplexer (OADM) such as a reconfigurable OADM (ROADM) comprising the optical beam steering apparatus. In one embodiment, the apparatus comprises a slab and a plurality of optical elements in or on a first surface of said slab, the plurality of optical elements including at least one liquid crystal on silicon element, the apparatus being arranged such that at least one optical beam can propagate freely in the slab from one of said plurality of optical elements to another one of said plurality of optical elements via a reflection from a second surface of the optical beam steering apparatus.

公开(公告)号：EP1963913A2

公开(公告)日：2008-09-03

申请号：EP06832116.5

申请日：2006-12-06

申请人： Philips Intellectual Property & Standards GmbH ,  Koninklijke Philips Electronics N.V.

发明人： SCHULZ, Volkmar

IPC分类号： G02F1/25 ,  F21V14/00

CPC分类号： G02F1/25 ,  G02F1/133621 ,  G02F1/295 ,  G02F1/313 ,  G02F2/02

摘要： A light-emitting device for emitting light having a desired color point, comprising at least one solid-state light source (1), at least one light-converting element (5), a light guiding arrangement (2) and a switch control unit (4), wherein the solid-state light source (1) is provided for emitting primary radiation (20), the light guiding arrangement (2) arranged between the solid-state light source (1) and the light-converting element (5) has at least one electro-optical switch (31) for controllably splitting the primary radiation (20) into a first portion (21) and a second portion (22), the switch control unit (4) is provided for controlling the electro-optical switch or switches (31) for variably adjusting the ratio between the first (21) and the second portion (22) of the primary radiation (20), and the light- converting element (5) is provided for the partial or complete absorption of at least a first portion (21) of the primary radiation (20) and for the re-emission of secondary radiation.

摘要翻译： 1。一种用于发射具有期望色点的光的发光装置，包括至少一个固态光源（1），至少一个光转换元件（5），光导装置（2）和开关控制单元 （1）和光转换元件（5）之间设置的导光装置（2），其中固态光源（1）设置用于发射初级辐射（20） ）具有用于将初级辐射（20）可控地分成第一部分（21）和第二部分（22）的至少一个光电开关（31），所述开关控制单元（4）用于控制所述电光开关 用于可变地调节初级辐射（20）的第一部分（21）和第二部分（22）之间的比率的光学开关或开关（31），并且光转换元件（5）被提供用于部分或完全吸收 （20）的至少第一部分（21）以及用于次级放射 辐射。

公开(公告)号：EP1237040B1

公开(公告)日：2008-07-16

申请号：EP02251028.3

申请日：2002-02-14

申请人： FUJITSU LIMITED

发明人： Kato, Masayuki, c/o Fujitsu Limited ,  Sugama, Akio, c/o Fujitsu Limited ,  Tsukamoto, Koji, c/o Fujitsu Limited ,  Ishii, Masatoshi, c/o Fujitsu Limited ,  Yokouchi, Kishio, c/o Fujitsu Limited ,  Yamagishi, Yasuo, c/o Fujitsu Limited ,  Nishizawa, Motoyuki, c/o Fujitsu Limited ,  Aoki, Tsuyoshi, c/o Fujitsu Limited

IPC分类号： G02F1/295 ,  G02B6/12 ,  G02F1/313

CPC分类号： G02F1/295 ,  G02B6/125 ,  G02B2006/12104 ,  G02B2006/12114 ,  G02B2006/12145 ,  G02F1/313

公开(公告)号：EP1914587A2

公开(公告)日：2008-04-23

申请号：EP07014663.4

申请日：2007-07-26

申请人： Fujitsu Ltd.

发明人： Takita, Yutaka

IPC分类号： G02F1/05 ,  H03K17/041

CPC分类号： G02F1/0516 ,  G02F1/035 ,  G02F1/313 ,  H03K17/04126 ,  H03K17/602

摘要： A capacitive load driving device (fig 4 or fig 7) for an optical matrix switch or router (fig 3). The optical switch is based on ferroelectric lead lanthanum zirconate titanate (PLZT) thin film layers having prism shaped electrodes, which act as deflector switches. Light from an incoming optical fibre array (11) is collimated by a first waveguide lens array (12) before entering a first deflector switch array (13). The deflected beams are then passed through a slab waveguide (15) to a second deflector switch array (16) after which they pass through a second waveguide lens array (17) before being focused into an output fibre array (18). The deflector switches form the capacitive load (28) to be driven and are subjected to a multilevel voltage signal in order to control the routing between the input and output fibre arrays. The capacitive load driving device consists of a voltage control signal generator unit (21) and a voltage amplifier unit (23) which amplifies the voltage control signal. The amplified signal is then fed into the base of a current amplifier (24) which then charges the capacitive load. In order to facilitate high speed switching and in particular a rapid discharge of the deflector switches when the voltage control signal is decreased to a lower level, a switching circuit (26) is provided parallel to the load (28). The switching circuit is triggered by a pulse having a predetermined duration from a falling control signal generator unit. The latter provides a pulse whenever the drop in the control voltage signal exceed a predetermined non-zero threshold value or the rate of decrease in the voltage control signal exceeds a certain amount. The switching circuit exhibits a "pull-down" arrangement to rapidly discharge the capacitive load on receiving the triggering pulse.

摘要翻译： 用于光矩阵开关或路由器的电容性负载驱动装置（图4或图7）（图3）。 该光开关基于具有棱柱形电极的铁电铅镧锆酸铅（PLZT）薄膜层，其作为偏转器开关。 来自入射光纤阵列（11）的光在进入第一偏转器开关阵列（13）之前被第一波导透镜阵列（12）准直。 然后，偏转的光束通过平板波导（15）到第二偏转器开关阵列（16），之后它们在被聚焦到输出光纤阵列（18）之前穿过第二波导透镜阵列（17）。 偏转器开关形成要驱动的电容性负载（28），并且经受多电平电压信号，以便控制输入和输出光纤阵列之间的路由。 容性负载驱动装置由电压控制信号发生器单元（21）和放大电压控制信号的电压放大器单元（23）组成。 然后将放大的信号馈送到电流放大器（24）的基极中，然后对电容性负载充电。 为了便于高速切换，特别是当电压控制信号降低到较低电平时，偏转器开关的快速放电，开关电路（26）平行于负载（28）设置。 开关电路由具有来自下降控制信号发生器单元的预定持续时间的脉冲触发。 每当控制电压信号的下降超过预定的非零阈值或电压控制信号的减小速率超过一定量时，后者提供脉冲。 开关电路呈现“下拉”布置，以在接收到触发脉冲时快速放电容性负载。

公开(公告)号：EP1324056B1

公开(公告)日：2008-04-16

申请号：EP02102723.0

申请日：2002-12-11

申请人： Thales

发明人： Formont, Stéphane ,  Chazelas, Jean ,  Auvray, Gérard

IPC分类号： G01R13/34 ,  H04B10/155 ,  G02F1/313

CPC分类号： G02F1/313 ,  G02F2203/54

公开(公告)号：EP1452904A2

公开(公告)日：2004-09-01

申请号：EP04250393.8

申请日：2004-01-24

申请人： ALPS ELECTRIC CO., LTD.

发明人： Kitagawa, Hitoshi

IPC分类号： G02F1/29

CPC分类号： G02F1/035 ,  G02F1/313 ,  G02F2202/32

摘要： A light deflector (A) is composed of an electro-optic photonic crystal in which refraction angle of light (L) incident from outside can be controlled by controlling an electric field applied to the electro-optic photonic crystal so as to change the refractive index of the material constituting the photonic crystal and in which the change in the refraction angle in response to the change in the unit refractive index of the material is 10 3 degrees or more. An optical switch includes the light deflector and a photonic crystal waveguide (B), the photonic crystal waveguide having a photonic bandgap for light of a predetermined wavelength and also having at least one waveguide which passes the light of the predetermined wavelength.

摘要翻译： 光偏转器（A）由电光子晶体组成，其中可以通过控制施加到电光子晶体的电场来改变折射率，从而控制从外部入射的光（L）的折射角 的构成光子晶体的材料，其中响应于材料的单位折射率的变化的折射角的变化为10 3度或更大。 光开关包括光偏转器和光子晶体波导（B），光子晶体波导具有用于预定波长的光的光子带隙，并且还具有至少一个通过预定波长的光的波导。

公开(公告)号：EP1363158A1

公开(公告)日：2003-11-19

申请号：EP03011012.6

申请日：2003-05-16

申请人： Nippon Sheet Glass Co., Ltd.

发明人： Kawamoto, Shinji

IPC分类号： G02F1/313

CPC分类号： G02F1/1326 ,  G02F1/313 ,  G02F1/3132

摘要： The invention provides a waveguide type liquid crystal optical switch that includes first and second cores (1A,1B) so as to form a space therebetween, in which an optical path is switched between the first and second cores; a third core (4) provided apart from the first and second cores, into which nematic liquid crystal orientated by an orientation film (7A,7B) along a predetermined direction is filled, the third core overlapping to the space formed between the first and second cores; a first electrode (6B) arranged on an opposite side of the third core with respect to the first and second cores so as to overlap to the space between the first and second cores, second and third electrodes (6A,6C) arranged on both sides of the first electrode, for orienting liquid crystal molecules along a direction perpendicular to the orientation direction of the orientation film; and a cladding (8A,8B) for incorporating the cores and the electrodes.

摘要翻译： 本发明提供了一种波导型液晶光开关，其包括第一和第二芯（1A，1B），以便在第一和第二芯之间形成一个空间，其中在第一和第二芯之间切换光路; 与第一和第二芯分离的第三芯（4），其中填充有沿着预定方向由取向膜（7A，7B）取向的向列型液晶，第三芯与第一和第二芯之间形成的空间重叠 核心; 第一电极（6B），其相对于所述第一和第二磁芯布置在所述第三磁芯的相对侧上，以与所述第一和第二磁芯之间的空间重叠;布置在两侧的第二和第三电极（6A，6C） 的第一电极，用于沿着与取向膜的取向方向垂直的方向取向液晶分子; 以及用于结合芯和电极的包层（8A，8B）。