期刊
APPLIED PHYSICS LETTERS
卷 109, 期 22, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4971350
关键词
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资金
- FP7-ERC-MIRACLE
- FP7-ERC-PoC-FireSpec
- FP7-ERC-InSpectra
We report on 2.3x mu m wavelength InP-based type-II distributed feedback (DFB) lasers heterogeneously integrated on a silicon photonics integrated circuit. In the devices, a III-V epitaxial layer stack with a W-shaped InGaAs/GaAsSb multi-quantum-well active region is adhesively bonded to the first-order silicon DFB gratings. Single mode laser emission coupled to a single mode silicon waveguide with a side mode suppression ratio of 40 dB is obtained. In continuous-wave regime, the 2.32 mu m laser operates close to room temperature (above 15 degrees C) and emits more than 1 mW output power with a threshold current density of 1.8 kA/cm(2) at 5 degrees C. A tunable diode laser absorption measurement of CO is demonstrated using this source. Published by AIP Publishing.
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