Abstract
One-dimensional photonic-crystal lasers with 2.5-μm-long buried active regions are fabricated on SiO2/Si substrate. The rib-shaped structure enables lateral-current-injection, high-Q cavity, and strong optical confinement. The device exhibits 13.0-μA threshold current and 28.0% external differential-quantum-efficiency.
© 2023 The Author(s)
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