提出了一种改进进位运算的32位稀疏树加法器。
A 32-bit sparse tree adder with modified carry tree structure is proposed.
提出的模型可扩展，用于研究以全光前缀树加法器为基本构造模块的功能强大的复杂全光回路。
The model can be extended for studying more complex all-optical circuits of enhanced functionality in which the prefix tree adder is the basic building block.
描述了该全光前缀树加法器的原理，说明了其实现的可能性。
We also describe the principle and possibilities of the all-optical prefix tree adder.
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