Integration of single/double vertical-cavity devices by mask molecular beam epitaxy
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文摘
We have developed a new mask molecular beam epitaxy (MBE) technique that allows successive selective and non-selective growth to be carried out in a chamber using a movable mask. Grown layers have high crystal quality without contamination. This technique is used to monolithically integrate vertical-cavity surface-emitting lasers and double vertical-cavity photodetectors used for optical interconnections. A low threshold current is obtained in the surface-emitting laser and a large bandwidth is obtained in the photodetector.