AlGaInAs-InP Microcylinder Lasers Connected With an Output Waveguide

AlGaInAs-InP Microcylinder Lasers Connected With an Output Waveguide

AlGaInAs-InP microcylinder lasers connected with an output waveguide are fabricated by planar technology. Room-temperature continuous-wave operation with a threshold current of 8 mA is realized for a microcylinder laser with the radius of 10 μm and the output waveguide width of 2 μm. The mode Q -fac...

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Veröffentlicht in:IEEE photonics technology letters 2010-09, Vol.22 (18), p.1349-1351
Hauptverfasser: Wang, Shi-Jiang, Lin, Jian-Dong, Huang, Yong-Zhen, Yang, Yue-De, Che, Kai-Jun, Xiao, Jin-Long, Du, Yun, Fan, Zhong-Chao
Format: Artikel
Sprache:eng
Schlagworte:
Analytical models
Conferences
Coupled mode analysis
Coupled modes
Fiber optics
Finite difference method
Finite difference methods
Laser modes
Lasers
Mathematical analysis
microresonators
Optical fibers
optical resonators
Planar waveguides
Q measurement
semiconductor laser
Threshold current
Time domain analysis
Waveguide lasers
Waveguides
Whispering gallery modes
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Zusammenfassung:AlGaInAs-InP microcylinder lasers connected with an output waveguide are fabricated by planar technology. Room-temperature continuous-wave operation with a threshold current of 8 mA is realized for a microcylinder laser with the radius of 10 μm and the output waveguide width of 2 μm. The mode Q -factor of 1.2 x 10 4 is measured from the laser spectrum at the threshold. Coupled mode characteristics are analyzed by 2-D finite-difference time-domain simulation and the analytical solution of whispering-gallery modes. The calculated mode Q -factors of coupled modes are in the same order as the measured value.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2010.2056361