介绍了几种全光半减器的实现方案,分析了各方案的结构和工作原理,以及各自的优缺点,并展望了半减器的发展方向。
Some kinds of all-optical half-subtracter are introduced and their structures and principles are analyzed, and their advantages and disadvantages are also discussed. Finally, the prospects of all-optical half-subtracter are given.