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    • 1. 发明申请
    • ENTANGLED-PHOTON FOURIER TRANSFORM SPECTROSCOPY
    • 光电四极杆变换光谱
    • WO2005074525A3
    • 2007-04-05
    • PCT/US2005002601
    • 2005-01-28
    • GEN DYNAMICS ADVANCED INF SYS
    • ZAUGG THOMAS C
    • G01B9/02G01J3/453G01N21/35G02B6/122G02B6/34
    • G01J3/453B82Y20/00G01N21/3581G02B6/1225G02B6/29349G02B6/2935
    • Novel spectroscopy techniques using entangled photons are disclosed. In one technique, entangled photons are directed to a sample of interest, while the photons with which they are entangled are resolved according to frequency. The photons transmitted by or reflected from the sample and the frequency-resolved photons are detected. Such detection may be by way of an electronic coincidence counter or a biphoton sensitive material, which absorbs entangled photons while allowing other photon pairs to pass. Detection information is used to derive spectroscopic properties of the sample. In another technique, a Fourier transform spectroscopy technique using entangled photons is disclosed. Entangled photons are directed to a sample, while the photons with which they are entangled are directed to a Michelson interferometer. The photons transmitted by or reflected from the sample and the photons leaving the Michelson interferometer are detected. Such detection may be by way of an electronic coincidence counter or a biphoton sensitive material. Detection information is used to derive spectroscopic properties of the sample.
    • 公开了使用纠缠光子的新型光谱技术。 在一种技术中,纠缠的光子被引导到感兴趣的样本,而与它们相互纠缠的光子根据频率被解析。 检测由样品发射或反射的光子和频率分辨的光子。 这种检测可以通过电子符合计数器或双光子敏感材料,其吸收缠结的光子,同时允许其他光子对通过。 检测信息用于导出样品的光谱特性。 在另一种技术中,公开了使用纠缠光子的傅里叶变换光谱技术。 纠缠的光子被引导到样品,而与它们相互纠缠的光子被引导到迈克尔逊干涉仪。 检测由样品透射或反射的光子和离开迈克尔逊干涉仪的光子。 这种检测可以通过电子重合计数器或双光子敏感材料。 检测信息用于导出样品的光谱特性。
    • 3. 发明申请
    • 温度補償型光通信干渉デバイスおよび光通信システム
    • 温度补偿光通信干扰设备和光通信系统
    • WO2003032047A1
    • 2003-04-17
    • PCT/JP2002/010301
    • 2002-10-02
    • 住友電気工業株式会社
    • 佐野 知己菅沼 寛剱持 妥茂哉
    • G02B27/10
    • G02B6/29386G02B6/12004G02B6/29349G02B6/2935G02B6/29358G02B6/29398G02B2006/12135G02B2006/12159
    • A temperature−compensation optical communication interference device comprises first and second optical paths (P 1 , P 2 ) and a beam splitter (123) disposed at one ends of the first and second optical paths (P 1 , P 2 ). A first mirror (124) is disposed at the other end of the first optical path (P 1 ). A second mirror (125) is disposed at the other end of the second optical path (P 2 ). The beam splitter (123) and the first and second mirrors (124, 125) are arranged on a base (126). The base (126) is composed of members (126a, 126b, 126c). The sign of the coefficient of linear expansion of the member (126a) is opposite to that of the members (126b, 126c). The beam splitter (123) and the first and second mirrors (124, 125) are separately arranged on the members (126a, 126b, 126c), respectively. Therefore, the dependence of the difference between the optical path lengths of the first and second optical paths on temperature can be lowered.
    • 一种温度补偿光通信干扰装置包括第一和第二光路(P <1>,P 2 )和分布器(123),其设置在第一和第二光路的一端, 第二光路(P 1,P 2 )。 第一反射镜(124)设置在第一光路(P <1> 1>)的另一端。 第二反射镜(125)设置在第二光路的另一端(P s2>)。 分束器(123)和第一和第二反射镜(124,125)被布置在基座(126)上。 基部(126)由构件(126a,126b,126c)构成。 构件(126a)的线膨胀系数的符号与构件(126b,126c)的线性膨胀系数的符号相反。 分束器(123)和第一和第二反射镜(124,125)分别分别布置在构件(126a,126b,126c)上。 因此,可以降低第一和第二光路的光路长度之间的温度差与温度的关系。
    • 8. 发明申请
    • DISPERSION-COMPENSATED OPTICAL WAVELENGTH ROUTER
    • 分散补偿光波长路由器
    • WO2002071118A1
    • 2002-09-12
    • PCT/US2002/006177
    • 2002-02-27
    • CHORUM TECHNOLOGIES LP
    • ZHOU, GanWU, Kuang-Yi
    • G02B6/293
    • H04J14/0208G02B6/272G02B6/2746G02B6/29302G02B6/29349G02B6/29358G02B6/29386H04J14/02H04J14/0213H04J14/06
    • An optical wavelength router (20) separates an input signal (12) into two complementary output signals (22, 24). A beamsplitter of the wavelength router separates the input signal into a first beam (14) and a second beam (16). A first resonator (30a) reflects the first beam producing a group delay that is dependent on wavelength. Similarly, a second resonator (30b) reflects the second beam. The center wavelength of the second resonator is offset relative to that of the first resonator by one half of the free spectral range of the first resonator, so that the resonance frequencies of the second resonator are matched to the anti-resonance frequencies of the first resonator. The beams reflected by the resonators interfere within the beamsplitter to produce two output signals containing complementary subsets of the spectrum of the input signal (e.g., even optical channels are routed to a first output port and the odd optical channels are routed to a second output port).
    • 光波长路由器(20)将输入信号(12)分离成两个互补输出信号(22,24)。 波长路由器的分束器将输入信号分离成第一波束(14)和第二波束(16)。 第一谐振器(30a)反射第一光束产生取决于波长的群延迟。 类似地,第二谐振器(30b)反射第二光束。 第二谐振器的中心波长相对于第一谐振器的中心波长偏移了第一谐振器的自由光谱范围的一半,使得第二谐振器的谐振频率与第一谐振器的反谐振频率相匹配 。 由谐振器反射的光束在分束器内干涉以产生包含输入信号的光谱的互补子集的两个输出信号(例如,甚至光信道被路由到第一输出端口,并且奇数光信道被路由到第二输出端口 )。
    • 10. 发明申请
    • HIGH-ISOLATION DENSE WAVELENGTH DIVISION MULTIPLEXER UTILIZING A POLARIZATION BEAM SPLITTER, NON-LINEAR INTERFEROMETERS AND BIREFRINGENT PLATES
    • 使用偏振光束分离器,非线性干涉仪和双折射板的高分离度渗透波段多路复用器
    • WO01002884A1
    • 2001-01-11
    • PCT/US2000/017551
    • 2000-06-26
    • G02B6/34G02B6/00G02B6/28G02B6/36
    • G02B6/272G02B6/2773G02B6/29302G02B6/29349G02B6/29358G02B6/29383
    • The present invention provides a dense wavelength division multiplexer for separating an optical signal into optical channels. It includes at least one birefringent plate (718, 720), and a polarization beam splitter (702) optically coupled to the at least one birefringent plate, the polarization beam splitter and at least one birefringent plate for separating one or more of the plurality of optical channels, where the separating is based on the polarity of the plurality of optical channels. In a preferred embodiment, the mechanism of separating includes birefringent wedge plates, a polarization beam splitter (702) and two non-linear interferometers (722, 724), with the birefringent wedge plates (718, 720) disposed between the polarization beam splitter (702) and the input and output paths. It also provides an ease in alignment and a higher tolerance to drifts due to the increase in the widths of the pass bands and also provides an improved separation of channels relative to other wavelength division multiplexers employing polarization beam splitters.
    • 本发明提供了一种用于将光信号分离成光信道的密集波分多路复用器。 它包括至少一个双折射板(718,720)和与该至少一个双折射板光学耦合的偏振分束器(702),偏振分束器和至少一个双折射板,用于分离多个 光通道,其中分离基于多个光通道的极性。 在优选实施例中,分离机构包括双折射楔形板,偏振分束器(702)和两个非线性干涉仪(722,724),其中双折射楔形板(718,720)设置在偏振分束器 702)和输入和输出路径。 它还提供了对准的容易性和由于通带宽度的增加而对漂移的更高的容限,并且还提供了相对于使用偏振分束器的其它波分复用器的通道的改进的分离。