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在当今科学技术高速发展的形势下,敦促计算技术必须具有高速大容量的运算能力。由此可以预料,盛行一时的电子计算技术由于它固有的弱点,即将处于盛名之下,其实难副的境地。因此,当务之急是要尽快研究与实现一种新的计算技术以适应科学技术的迅猛发展。 人们发现,光子具有巨大的超并行高速处理能力,并将出现用光子作为媒介的光计算机,它具有1BFLOPS(每秒10亿浮点运算)为单位的高速大容量运算能力。光计算机与按时间串行运算系统的电子计算机有着根本的区别。 光计算是个不仅包括光计算机,而且包含着光信息处理的一个范围相当广的光学技术领域。为此,本刊邀请高希才高级工程师对光计算技术的进展进行一次讲座。本讲座将对国外光计算机及光信息处理的发展做一介绍,并就我国开展光计算机的研究发表一些看法。相信这一讲座将有助于广大科研工作者对计算技术获得一些新的启迪。
In today’s rapid development of science and technology, the situation urges computing technology to have high-speed and high-capacity computing power. It can be expected, due to its inherent weakness, the prevailing computing technology is about to be prestigious, in fact, the situation is difficult. Therefore, it is imperative to urgently study and implement a new computing technology to adapt to the rapid development of science and technology. It has been found that photons have a tremendous amount of hyper-parallel high-speed processing capability and photons as a medium of light computer will emerge with high-speed bulk computing capability of 1BFLOPS (billion floating-point operations per second). There is a fundamental difference between a light computer and a computer that is time serially operated. Optical computing is a broad area of optical technology that includes not only optical computers but also optical information processing. To this end, the magazine invited high Greek senior engineer to make a lecture on the progress of optical computing technology. This lecture will introduce the development of foreign light computer and light information processing and give some opinions on the study of light computer in our country. I believe this lecture will help the majority of researchers gain some new enlightenment on computing technology.