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4光子器件和全光通讯领域随着科学技术的不断发展,世界正在向光子时代迈进,目前的各种电子元器件正在被全光学元件所取代,并将其逐步微小化和集成化在一个紧凑的功能系统内,成为高速信息处理的新兴发展方向。对光通讯来说,这就意味着要在一个单独的“芯片”上生产出包括方向连
4 Photonic devices and all-optical communication With the continuous development of science and technology, the world is moving toward the photonic era. At present, various electronic components are being replaced by all-optical components and gradually miniaturized and integrated into a compact Function system, a new direction of development for high-speed information processing. For optical communications, this means producing a signal on a single “chip”