Simultaneous generation of multiple pairs of transverse electric and transverse magnetic output modes from titania zirconia organically modified silicate distributed feedback waveguide lasers
Output polarization and output wavelength of titania zirconia organically modified silicate distributed feedback waveguide lasers were found to be dependent on the polarization of the crossing pump be...
Output polarization and output wavelength of titania zirconia organically modified silicate distributed feedback waveguide lasers were found to be dependent on the polarization of the crossing pump be...
Threshold dependence on the spectral alignment between the quantum-well gain peak and the cavity resonance in InGaAsP photonic crystal lasers
Lithographically defined multiwavelength photonic crystal laser arrays are reported. The dependence of the threshold pump power on the spectral alignment between the quantum-well gain peak and the cav...
Lithographically defined multiwavelength photonic crystal laser arrays are reported. The dependence of the threshold pump power on the spectral alignment between the quantum-well gain peak and the cav...
The electrical turn-on characteristics of vertical-cavity surface-emitting lasers
Appl. Phys. Lett. 83, 4104 (2003); doi:10.1063/1.1628816
Issue Date: 17 November 2003
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We present a detailed comparison of the electrical turn-on characteristics of 980 nm vertical-cavity surface-emitting lasers (VCSELs) with simulations using a recently extended laser simulator. It is shown that the three recombination mechanisms, spontaneous emission, Shockley–Read–Hall recombination, and Auger recombination, result in distinctly different exponential current–voltage dependencies below threshold. Therefore, information can be extracted about the relative strength of the recombination rates due to those processes, and their relative contributions to the threshold current can be assessed. We show that for the VCSELs studied in this work, spontaneous emission is the dominant contribution to the threshold current. ©2003 American Institute of Physics.
| History: | Received 19 May 2003; accepted 3 October 2003 |
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http://link.aip.org/link/?APPLAB/83/4104/1 |
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REFERENCES (9)
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