科技日報訊 （記者吳長鋒）jizhecongzhongguokexuejishudaxuehuoxi

，gaixiaoguoguangcanyuanshituanduidehanzhengfujiaoshoujiqihezuozhetichuleyizhongxinxingdebanshebeiwuguanliangzisuijishufashengqixieyi
，bingjinxinglexiangguandeshiyanyanzheng。jishizaiguangyuanbukexintiaojianxia，gaixieyiyewuxuduitanceshebeijinxingbiaozheng，jinxushiyongrichangguangyuanjikekuaisushengchenganquandeliangzisuijishu。gaixieyiquanmianditishengleliangzisuijishufashengqideanquanxingyushiyongxing，weibanshebeiwuguanliangzisuijishufashengqideshiyonghuadiandinglejianshijichu。xiangguanyanjiuchengguoriqianzaixianfabiaoyuzhumingguojixueshuqikan《物理評論快報》上。

量子隨機數發生器基於量子物理原理產生具有內稟隨機性的真隨機數，為科學仿真、密碼學等領域提供了極大的助力。然而，現實中的量子隨機數發生器可能具有的非理想性會破壞隨機數的不可預測性和私密性。雖然“完全設備無關型量子隨機數發生器”可以容忍這些非理想性
，但其由於協議實現困難、隨機數產生速率低
、成本高昂，距離實用化仍有很遠的距離。

“半設備無關量子隨機數發生器”對dui部bu分fen組zu件jian的de要yao求qiu大da大da放fang寬kuan，提ti供gong了le一yi種zhong實shi際ji可ke行xing的de安an全quan實shi現xian方fang案an，因yin而er受shou到dao廣guang泛fan關guan注zhu。但dan因yin為wei已yi有you的de半ban設she備bei無wu關guan方fang案an忽hu略lve了le一yi些xie關guan鍵jian因yin素su對dui其qi性xing能neng的de影ying響xiang，限xian製zhi了le其qi在zai現xian實shi條tiao件jian下xia的de應ying用yong。

zhenduizheyiwenti
，hanzhengfuketizukaizhanleshenrudeyanjiu。ketizujiyupinghuashangdebuquedingguanxiheliangzishengyuhaxidingli，tichuleyizhongbuxuyaoduiceliangshebeijinxingbiaozhengdexinxingbanshebeiwuguanliangzisuijishufashengqixieyi，bingzhengminglegaixieyizaiyuanduanbukexinhetanceduanwubiaozhengtiaojianxiadeanquanxing。tongshi，gaiketizuhaishiyonglusudengzheyirichangguangyuanhejiguangqiwanchengleyanzhengshiyan。jingyanzheng，gaisuijishufashengqichanshengdesuijishusulvyumuqianshangyongsuijishufashengqixiangdang，dananquanxingxianzhuyouyuhouzhe。

此次研究在保證隨機數快速生成和係統簡潔實用的同時
，大幅降低了對設備可信度和刻畫表征的要求，對於突破高性能、高安全量子隨機數發生器的研究瓶頸具有重要推動作用。