期刊
OPTICS EXPRESS
卷 21, 期 4, 页码 4728-4733出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.21.004728
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资金
- Defense Advanced Research Project Agency [W911NF-07-1-0314]
- Air Force Office for Scientific Research (AFOSR) [FA9550-10-01-0444]
We demonstrate a continuous wave (CW) sub-wavelength metallic-cavity semiconductor laser with electrical injection at room temperature (RT). Our metal-cavity laser with a cavity volume of 0.67 lambda(3) (lambda = 1591 nm) shows a linewidth of 0.5 nm at RT, which corresponds to a Q-value of 3182 compared to 235 of the cavity Q, the highest Q under lasing condition for RT CW operation of any sub-wavelength metallic-cavity laser. Such record performance provides convincing evidences of the feasibility of RT CW sub-wavelength metallic-cavity lasers, thus opening a wide range of practical possibilities of novel nanophotonic devices based on metal-semiconductor structures. (C) 2013 Optical Society of America
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