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The Fabrication of Eight-Channel DFB Laser Array Using Sampled Gratings

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7 Author(s)
Hongliang Zhu ; Institute of Semiconductors, Key Laboratory of Semiconductor Materials Science, Chinese Academy of Sciences, Beijing, China ; Xiaodong Xu ; Huan Wang ; Duanhua Kong
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An eight-channel monolithically integrated complex-coupled distributed-feedback laser array based on sampled gratings has been designed and fabricated. Selective lasing at different wavelengths is obtained. The frequency separation between each adjacent channel is about 200 GHz. The typical threshold current is between 30 and 40 mA. The optical output power of each channel is about 10 mW at an injection current of 100 mA. The continuous tuning of emission wavelength with injected currents is also demonstrated.

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IEEE Photonics Technology Letters  (Volume:22 ,  Issue: 5 )