“窃听”严重威胁着国家机密安全,如何“反窃听”已成为当前各国通信领域迫切需要解决的难题。而我国采用的量子通信技术走在了世界前列,并已经在潜艇上先行测试,深海保密通讯取得了成功,这对“反窃听”意义重大。国外专家认为,量子通信技术 “Wiretapping” seriously threatens the security of state secrets and how to “anti-eavesdropping” has become an urgent problem to be solved in the communications field in various countries. The quantum communication technology used in our country has taken the forefront in the world and has been tested first on submarines. The success of deep sea secure communications has been of great significance to anti-eavesdropping. Foreign experts believe that quantum communication technology