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    • 4. 发明授权
    • Tuneable quantum light source
    • 可调量子光源
    • US09219191B2
    • 2015-12-22
    • US12903490
    • 2010-10-13
    • Anthony John BennettMartin Brian WardAndrew James Shields
    • Anthony John BennettMartin Brian WardAndrew James Shields
    • H01L33/04H01L33/06B82Y20/00H01L33/00H01L33/08H01L33/10H01S5/34
    • H01L33/06B82Y20/00H01L33/0012H01L33/08H01L33/105H01S5/3412H01S5/3416
    • A photon source comprising a semiconductor heterostructure, said semiconductor heterostructure comprising a quantum well, a barrier region adjacent said quantum well and a quantum dot provided in said quantum well, the photon source further comprising electrical contacts and a power supply coupled to first and second electrical contacts configured to apply a tuneable electric field across said quantum dot to control the emission energy of said quantum dot, said electric field being tuneable across an operating range an wherein the tunneling time of carriers from said quantum dot to said first electrical contact and the tunneling time of carriers from said quantum dot to said second electrical contact are greater than the radiative decay time of an exciton in said quantum dot over said operating range for controlling the emission energy, said photon source being configured such that emission from a single quantum dot exits said photon source.
    • 一种包括半导体异质结构的光子源,所述半导体异质结构包括量子阱,与所述量子阱相邻的势垒区和设置在所述量子阱中的量子点,所述光子源还包括电接触和耦合到第一和第二电 触点,被配置为在所述量子点上施加可调电场以控制所述量子点的发射能量,所述电场可在整个工作范围内调节,其中载流子从所述量子点到所述第一电触点的隧穿时间和隧穿 从所述量子点到所述第二电接触的载流子的时间大于在所述操作范围上的所述量子点中的激子的辐射衰减时间,用于控制发射能量,所述光子源被配置为使得来自单个量子点的发射退出 说光子源。
    • 6. 发明申请
    • AIRLINER-MOUNTED CELLULAR BASE STATION
    • 航空安装蜂窝基站
    • US20130324070A1
    • 2013-12-05
    • US13482255
    • 2012-05-29
    • Steven John BENNETTGerald Gustav VOS
    • Steven John BENNETTGerald Gustav VOS
    • H04W4/00H04W4/22
    • H04W84/005H04B7/18506H04W4/90
    • An aircraft-mounted base transceiver station (mBTS) for providing intermittent coverage in a cellular radio network. The mBTS utilizes the existing protocol of its terrestrial counterparts, thereby avoiding dual-mode devices and enabling common usage of terminal monitoring and device management systems for devices connected to a single radio access network even when outside terrestrial coverage areas. The aircraft follows a transient flight pattern, providing intermittent flyover connectivity for remote radio device such as machine-type devices. Connectivity may be store and forward. Channel usage may be adjusted to avoid interfering with terrestrial communication cells during flyover. Doppler effects due to aircraft speed may be accounted for. The mBTS may be configured to service in-range radio devices which are outside a Doppler-inhibited region and/or to prioritize communication with devices based on expected time outside the Doppler-inhibited region. An aircraft mounted antenna may have a radiation pattern focused toward devices outside the Doppler-inhibited region.
    • 一种用于在蜂窝无线电网络中提供间歇覆盖的飞机安装的基站收发台(mBTS)。 mBTS利用其地面对等体的现有协议,从而避免双模设备,并且即使在外部地面覆盖区域之外,也可以连接到单个无线电接入网络的设备的终端监控和设备管理系统的通用使用。 飞机遵循瞬时飞行模式,为远程无线电设备(如机器类型设备)提供间歇性飞越连接。 连接可能存储和转发。 可以调整信道使用以避免在天桥期间干扰地面通信小区。 可能会考虑到飞机速度造成的多普勒效应。 mBTS可以被配置为服务于在多普勒抑制区域之外的范围内的无线电设备和/或基于多普勒抑制区域之外的预期时间来优先与设备的通信。 飞机安装的天线可以具有聚焦到多普勒抑制区域外的装置的辐射图。
    • 8. 发明申请
    • QUANTUM MEMORY
    • 量子记忆
    • US20130107617A1
    • 2013-05-02
    • US13561843
    • 2012-07-30
    • Niklas Adam Bilbo SkoldAnthony John BennettAndrew James Shields
    • Niklas Adam Bilbo SkoldAnthony John BennettAndrew James Shields
    • G11C11/44B82Y35/00B82Y10/00
    • G11C11/14B82Y10/00G02F1/015G02F2001/01791G11C7/005G11C13/04G11C2216/08
    • A quantum memory component including a quantum dot molecule having first and second quantum dots provided in respective first and second layers separated by a barrier layer; an exciton comprising an electron and hole bound state in said quantum dot molecule, the spin state of said exciton forming a qubit; first and second electrical contacts respectively provided below the first quantum dot and above the second quantum dot; a voltage source to apply an electric field across said quantum dot molecule; a controller to modulate the electric field across the quantum dot molecule, including an information acquiring circuit to acquire information concerning the relationship between fine structure splitting of the exciton and the applied electric field and a timing circuit to allow switching of the exciton from an indirect configuration to a direct configuration at predetermined times derived from the fine structure splitting.
    • 一种量子存储器组件,包括量子点分子,其具有第一和第二量子点,该第一和第二量子点设置在由阻挡层隔开的相应的第一和第二层中; 在所述量子点分子中包含电子和空穴结合状态的激子,所述激子的自旋状态形成量子位; 分别设置在第一量子点的下方且位于第二量子点的上方的第一和第二电触头; 用于在所述量子点分子上施加电场的电压源; 控制器,用于调制跨越量子点分子的电场,包括信息获取电路以获取关于激子的精细结构分裂与所施加的电场之间的关系的信息,以及定时电路,以允许从间接配置切换激子 以从精细结构分裂得到的预定时间的直接配置。