OPTICAL BEAMS
    11.
    发明申请
    OPTICAL BEAMS 有权
    光学系

    公开(公告)号:US20160170287A1

    公开(公告)日:2016-06-16

    申请号:US14907665

    申请日:2013-07-30

    Abstract: Apparatuses and methods for producing and/or receiving an optical beam are disclosed, A phased array on a chip comprises phase shifters and off-chip couplers to provide phase controlled pixels. An optical system is arranged in front of the phased array. The optical system is configured to concentrate light from the phased array and/or expand a received beam of light for input into the phased array.

    Abstract translation: 公开了用于产生和/或接收光束的装置和方法。芯片上的相控阵列包括移相器和片外耦合器以提供相位控制的像素。 光学系统布置在相控阵列的前面。 光学系统被配置为聚集来自相控阵列的光和/或扩展接收的光束以便输入到相控阵列中。

    OPTICAL DETECTION APPARATUS AND METHOD

    公开(公告)号:US20210328126A1

    公开(公告)日:2021-10-21

    申请号:US16332650

    申请日:2016-09-14

    Inventor: David BITAULD

    Abstract: According to an example aspect of the present invention, there is provided an apparatus comprising: an optic fibre input (31); a plurality of photonic detectors (34) comprising a nanowire and biased with an electric input; a set of modulators (35) connected to the optic fibre input (31), each of the modulators (35) being connected to one of the photonic detectors (34) for forming a modulated optical detector signal; and an optic fibre output (40) for the modulated optical detector signal. The optic fibre input (31), the photonic detectors (34), the set of modulators (35), and the optic fibre output (40) are formed on a single chip (1).

    AN APPARATUS, METHOD AND COMPUTER PROGRAM FOR SCRAMBLING AN IDENTIFICATION SIGNAL USING QUANTUM DOT-GRAPHENE FIELD EFFECT TRANSISTORS

    公开(公告)号:US20210200893A1

    公开(公告)日:2021-07-01

    申请号:US16092732

    申请日:2017-04-27

    Abstract: An apparatus, method and computer program wherein the apparatus comprises: a plurality of quantum dot-graphene field effect transistors; circuitry configured to provide an individual drain-source bias voltage to each of a plurality of quantum dot-graphene field effect transistors, wherein different individual drain-source bias voltages have different parameters, to enable the plurality of quantum dot-graphene field effect transistors to detect light from a user of an apparatus; and circuitry configured to obtain output signals from each of a plurality of quantum dot-graphene field effect transistors where the output signal is dependent upon both the light detected by the quantum dot-graphene field effect transistor and the parameters of the drain-source bias voltage to enable the obtained output signals to be used as a scrambled identification signal of the user of the apparatus.

    Detector Arrangement Suited for Optical Sensors

    公开(公告)号:US20210068685A1

    公开(公告)日:2021-03-11

    申请号:US16771452

    申请日:2018-11-16

    Abstract: An apparatus with a first photodetector and a second photodetector is provided. The apparatus is configured to receive light, and there is an optical arrangement configured to split the light received at the apparatus so that a first portion of the light is directed to the first photodetector and a second portion of the light is directed to the second photodetector. An optical blocking filter is configured to filter the second portion of the light prior to the second portion of the light arriving at the second photodetector.

    PHOTOACOUSTIC APPARATUS AND METHODS

    公开(公告)号:US20210003536A1

    公开(公告)日:2021-01-07

    申请号:US16909238

    申请日:2020-06-23

    Inventor: David BITAULD

    Abstract: A photoacoustic apparatus, comprising: at least one optical amplifier, configured to produce light; at least one photonic integrated circuit, configured as a tunable light filter; light guiding means, wherein the at least one optical amplifier, at least one photonic integrated circuit and light guiding means are configured as an optical cavity to produce laser light having an optical path within the optical cavity; and at least one acoustic sensor configured to detect sound produced by analyte introduced into the optical path of the laser light.

    FIBRE-OPTIC COMMUNICATION BASED ON ENCODED FREQUENCY-SHIFTED LIGHT

    公开(公告)号:US20180167209A1

    公开(公告)日:2018-06-14

    申请号:US15580891

    申请日:2015-06-11

    Inventor: David BITAULD

    Abstract: According to an example aspect, there is provided an apparatus comprising a fibre interface coupled, via a first waveguide, with at least one encoder, a controller configured to cause the at least one encoder to encode light received in the apparatus via the fibre interface with information, and to cause a frequency shift in the light, and wherein the apparatus is configured to cause the light to propagate back to the fibre interface.

    METHOD AND APPARATUS FOR QUANTUM CRYPTOGRAPHY
    19.
    发明申请
    METHOD AND APPARATUS FOR QUANTUM CRYPTOGRAPHY 审中-公开
    量子化学的方法和装置

    公开(公告)号:US20170019252A1

    公开(公告)日:2017-01-19

    申请号:US15101509

    申请日:2013-12-16

    CPC classification number: H04L9/0852 G02F1/353 H04B10/70 H04L2209/34

    Abstract: Methods and apparatus for use in quantum cryptographic applications are disclosed. An optical signal having a first wavelength is encoded for quantum cryptography at a stage where the optical signal is on at least two signal paths. The wavelength of the encoded optical signal on the at least two signal paths is converted to a second wavelength before the optical signal is encoded for transmission. Encoding for transmission is applied to the optical signal on the second wavelength.

    Abstract translation: 公开了用于量子密码应用的方法和装置。 具有第一波长的光信号在光信号处于至少两个信号路径的阶段被编码用于量子密码。 在将光信号编码为传输之前,将至少两条信号路径上的编码光信号的波长转换为第二波长。 用于传输的编码被应用于第二波长的光信号。

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