Secure ultrafast communication with spatial-temporal converters.
Secure ultrafast communication with spatial-temporal converters.
复制标题
与时空转换器的安全超快通信。
DOI：
10.1364/ao.39.002975
复制
发表时间：
2000
期刊：
影响因子：
1.9
通讯作者：
B. Javidi
中科院分区：
文献类型：
--
作者：
O. Matoba;B. Javidi
提出了一种基于时空变换的加密数据库与超高速安全数据通信系统的接口方案。原始空间信号被光学加密，并且加密信号被全息存储在诸如光折变材料的存储介质中。对空间加密的信号进行采样，以避免在接收器处的每个数据重叠。将采样的数据转换成时间信号，通过光纤传输信息。在接收器处，时间信号被转换回空间加密信号。当在解密系统中使用正确的相位密钥时，可以实现原始数据的检索。我们开发了加密输出和解密数据的表达式。我们从数值上评估了采样空间加密信号对解密数据质量的影响。
An encrypted database interfaced with an ultrafast secure data communication system using spatial-temporal converters is proposed. The original spatial signal is optically encrypted, and the encrypted signal is holographically stored in a storage medium such as photorefractive materials. The spatially encrypted signal is sampled to avoid the overlap of each datum at the receiver. The sampled data are converted into a temporal signal to transmit the information through an optical fiber. At the receiver the temporal signal is converted back into the spatially encrypted signal. Retrieval of the original data can be achieved when the correct phase key is used in the decryption system. We developed an expression for encrypted output and decrypted data. We numerically evaluate the effect of sampling the spatially encrypted signal on the quality of the decrypted data.