期刊
IEICE ELECTRONICS EXPRESS
卷 14, 期 18, 页码 -出版社
IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG
DOI: 10.1587/elex.14.20170664
关键词
photonic crystal laser; circular defect cavity; line defect wave-guide; 1.3 mu m lasing
资金
- JSPS KAKENHI Grant [JP16H04349]
- Nanotechnology Platform Project (Nanotechnology Open Facilities in Osaka University) of Ministry of Education, Culture, Sports, Science and Technology, Japan [F-17-OS-0002]
- Grants-in-Aid for Scientific Research [16H04349] Funding Source: KAKEN
We fabricated a photonic crystal (PC) laser having a circular defect cavity and a line defect output waveguide based on a heterostructure consisting of a slab layer with quantum dots and an AlOx cladding layer. The photonic crystal laser was excited by a 785nm laser diode. Samples with different parameters have similar threshold values of about 25 mu m Roomtemperature continuous-wave lasing operation at 1.3 mu m range is confirmed by observing the spectrum of output light from the line defect waveguide. The wavelengths of the lasing modes show the dependence on the radius of circular resonator and the radius of air holes, which indicate that the lasing mode is the whispering-gallery mode. These results show the feasibility of realizing PC lasers using AlOx cladding layers.
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