LATENT REFERENCES / TAG1
Optical Computing
Original title: 光コンピューティング
This reference note belongs to Tag1 in Latent References, an archive curated by Keigo Yoshida. Its archive region is Physics. The note preserves its source text and links so that readers can trace the material behind the 3D map.
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Optical computing is a technology that processes information at high speed and low power consumption using photons instead of electrons. Ideal for AI matrix operations and quantum computing, it achieves orders-of-magnitude improvements in power efficiency and processing speed (low latency) compared with conventional GPUs. Practical implementation through “photonic-electronic convergence” devices within data centers and computing nodes, including NTT’s IOWN initiative, is progressing rapidly.
光コンピューティングは、電子の代わりに光子（フォトン）を用いて高速・低消費電力で情報処理を行う技術です。AIの行列演算や量子計算に最適で、従来のGPUと比較して桁違いの電力効率と処理速度（低遅延）を実現します。NTTのIOWN構想など、データセンターや計算ノード内の「光電融合」デバイスによる実用化が急速に進んでいます。
Source updated 2026-04-02 · Snapshot 2026-10-08
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