Journal
APPLIED PHYSICS LETTERS
Volume 110, Issue 17, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4982621
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Funding
- Army Research Office [W911NF-13-1-0278]
- 985 Key University Project of China at Tsinghua University
- DFG [SFB 787]
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Semiconductor nanolasers are potentially important for many applications. Their design and fabrication are still in the early stage of research and face many challenges. In this paper, we demonstrate a generally applicable membrane transfer method to release and transfer a strain-balanced InGaAs quantum-well nanomembrane of 260 nm in thickness onto various substrates with a high yield. As an initial device demonstration, nano-ring lasers of 1.5 mu m in outer diameter and 500nm in radial thickness are fabricated on MgF2 substrates. Room temperature single mode operation is achieved under optical pumping with a cavity volume of only 0.43 lambda(3)(0) (k(0) in vacuum). Our nano-membrane based approach represents an advantageous alternative to other design and fabrication approaches and could lead to integration of nanolasers on silicon substrates or with metallic cavity. Published by AIP Publishing.
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