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Optical transmitting apparatus patented

Photonics Spectra
Jan 2010
Fujitsu Ltd. of Kawasaki, Japan, a provider of information technology-based business solutions, has received a patent for an optical transmitting apparatus. The device consists of a unit that branches an input light and performs independent phase modulation. It also has a phase-adjusting unit that changes a phase difference between optical signals of respective arms according to a control signal.

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