Tunable Laser via High-Density Integration of DFB Lasers With High Precision Wavelength Spacings

Zhenxing Sun,Zhirui Su,Rulei Xiao,Yaguang Wang,Kui Liu,Feng Wang,Yashe Liu,Tao Fang,Yi-Jen Chiu,Xiangfei Chen

IEEE Photonics Technology Letters（2022）

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摘要

Fast optical switches have the potential of lowering the cost, power, and latency of today’s data-center networks. The on-off switching of DFB lasers in arrays is poised to provide extremely fast switching because the on-off time of a DFB laser is the level of sub-nanosecond. However, the key of the DFB laser array based tunable laser lies in the high precision control of the lasing wavelength. In...

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关键词

Waveguide lasers,Vertical cavity surface emitting lasers,Optical switches,Arrayed waveguide gratings,Laser tuning,Semiconductor optical amplifiers,Distributed feedback devices

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