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    • 4. 发明申请
    • APPARATUS AND METHODS FOR LIGHT BEAM ROUTING IN TELECOMMUNICATION
    • 电子束光束路由装置及方法
    • WO2012110811A3
    • 2012-11-22
    • PCT/GB2012050340
    • 2012-02-15
    • CAMBRIDGE ENTPR LTDCOLLINGS NEILGEORGIOU ANDREASREDMOND MAURA MICHELLEROBERTSON BRIANCHU DAPINGLIU JINSONGCROSSLAND WILLIAM AIDENMOORE JOHN RICHARD
    • COLLINGS NEILGEORGIOU ANDREASREDMOND MAURA MICHELLEROBERTSON BRIANCHU DAPINGLIU JINSONGCROSSLAND WILLIAM AIDENMOORE JOHN RICHARD
    • G02B6/35G03H1/08
    • G03H1/0841G02B5/32G02B6/3558G02B6/3588G02F1/136277G03H1/0808G03H1/2294G03H2001/0816G03H2001/085G03H2210/44G03H2222/31G03H2225/32G03H2225/60G03H2226/02H04Q11/0005
    • We describe a LCOS (liquid crystal on silicon) telecommunications light beam routing device, the device comprising: an optical input; a plurality of optical outputs; a LCOS spatial light modulator (SLM) in an optical path between said input and said output, for displaying a kinoform; a data processor, coupled to said SLM, configured to provide kinoform data for displaying said kinoform on said SLM; wherein said kinoform data defines a kinoform which routes a beam from said optical input to a selected said optical output; wherein said data processor is configured to input routing data defining said selected optical output and to calculate said kinoform data for routing said beam responsive to said routing data; and wherein said data processor is configured to calculate said kinoform data by: determining an initial phase pattern for said kinoform; calculating a replay field of said phase pattern; modifying an amplitude component of said replay field to represent a target replay field for said beam routing, retaining a phase component of said replay field to provide an updated replay field; performing a space-frequency transform on said updated replay field to determine an updated phase pattern for said kinoform; and repeating said calculating and updating of said replay field and said performing of said space-frequency transform until said kinoform for display is determined; and outputting said kinoform data for display on said LCOS SLM.
    • 我们描述了LCOS(硅上液晶)通信光束路由设备,该设备包括:光输入; 多个光输出; 在所述输入和所述输出之间的光路中的LCOS空间光调制器(SLM),用于显示kinoform; 耦合到所述SLM的数据处理器,被配置为提供用于在所述SLM上显示所述kinoform的kinoform数据; 其中所述kinoform数据定义将来自所述光输入的光束路由到所选择的所述光输出的kinoform; 其中所述数据处理器被配置为输入定义所述选择的光输出的路由数据,并且计算所述kinoform数据以响应所述路由数据路由所述波束; 并且其中所述数据处理器被配置为通过以下步骤来计算所述kinoform数据:确定所述kinoform的初始相位模式; 计算所述相位图案的重放场; 修改所述重放场的幅度分量以表示所述波束路由的目标重播域,保留所述重播域的相位分量以提供更新的重播域; 对所述更新的重放字段执行空间频率变换以确定所述kinoform的更新的相位模式; 并且重复所述重放场的计算和更新以及所述执行所述空间 - 频率变换直到确定显示的所述kinoform为止; 并输出所述kinoform数据以便显示在所述LCOS SLM上。
    • 8. 发明申请
    • APPARATUS AND METHODS
    • 装置和方法
    • WO2012110811A2
    • 2012-08-23
    • PCT/GB2012/050340
    • 2012-02-15
    • CAMBRIDGE ENTERPRISE LIMITEDCOLLINGS, NeilGEORGIOU, AndreasREDMOND, Maura MichelleROBERTSON, BrianCHU, DapingLIU, JinsongCROSSLAND, William AidenMOORE, John Richard
    • COLLINGS, NeilGEORGIOU, AndreasREDMOND, Maura MichelleROBERTSON, BrianCHU, DapingLIU, JinsongCROSSLAND, William AidenMOORE, John Richard
    • G02B6/35G03H1/08
    • G03H1/0841G02B5/32G02B6/3558G02B6/3588G02F1/136277G03H1/0808G03H1/2294G03H2001/0816G03H2001/085G03H2210/44G03H2222/31G03H2225/32G03H2225/60G03H2226/02H04Q11/0005
    • We describe a LCOS (liquid crystal on silicon) telecommunications light beam routing device, the device comprising: an optical input; a plurality of optical outputs; a LCOS spatial light modulator (SLM) in an optical path between said input and said output, for displaying a kinoform; a data processor, coupled to said SLM, configured to provide kinoform data for displaying said kinoform on said SLM; wherein said kinoform data defines a kinoform which routes a beam from said optical input to a selected said optical output; wherein said data processor is configured to input routing data defining said selected optical output and to calculate said kinoform data for routing said beam responsive to said routing data; and wherein said data processor is configured to calculate said kinoform data by: determining an initial phase pattern for said kinoform; calculating a replay field of said phase pattern; modifying an amplitude component of said replay field to represent a target replay field for said beam routing, retaining a phase component of said replay field to provide an updated replay field; performing a space-frequency transform on said updated replay field to determine an updated phase pattern for said kinoform; and repeating said calculating and updating of said replay field and said performing of said space-frequency transform until said kinoform for display is determined; and outputting said kinoform data for display on said LCOS SLM.
    • 我们描述了LCOS(硅上液晶)通信光束路由设备,该设备包括:光输入; 多个光输出; 在所述输入和所述输出之间的光路中的LCOS空间光调制器(SLM),用于显示kinoform; 耦合到所述SLM的数据处理器,被配置为提供用于在所述SLM上显示所述kinoform的kinoform数据; 其中所述kinoform数据定义将来自所述光输入的光束路由到所选择的所述光输出的kinoform; 其中所述数据处理器被配置为输入定义所述选择的光输出的路由数据,并且计算所述kinoform数据以响应所述路由数据路由所述波束; 并且其中所述数据处理器被配置为通过以下步骤来计算所述kinoform数据:确定所述kinoform的初始相位模式; 计算所述相位图案的重放场; 修改所述重放场的幅度分量以表示所述波束路由的目标重播域,保留所述重播域的相位分量以提供更新的重播域; 对所述更新的重放字段执行空间频率变换以确定所述kinoform的更新的相位模式; 并且重复所述重放场的计算和更新以及所述执行所述空间 - 频率变换直到确定显示的所述kinoform为止; 并输出所述kinoform数据以便显示在所述LCOS SLM上。