Tuning quantum-cascade lasers by postgrowth rapid thermal processing
We report on postgrowth heat treatment of quantum-cascade lasers. Intermixing of the atoms at the barrier–well interfaces in the temperature range between 850 and 875 °C shifts the energy lev...
We report on postgrowth heat treatment of quantum-cascade lasers. Intermixing of the atoms at the barrier–well interfaces in the temperature range between 850 and 875 °C shifts the energy lev...
Two-dimensional coupled photonic crystal resonator arrays
Appl. Phys. Lett. 84, 161 (2004); doi:10.1063/1.1639505
Issue Date: 12 January 2004
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Hatice Altug and Jelena Vu
kovi
Edward L. Ginzton Laboratory, Stanford University, Stanford, California 94305-4088
koviEdward L. Ginzton Laboratory, Stanford University, Stanford, California 94305-4088
We present the design and fabrication of photonic crystal structures exhibiting electromagnetic bands that are flattened in all crystal directions, i.e., whose frequency variation with a wave vector is minimized. Such bands can be used to reduce group velocity of light propagating in an arbitrary crystal direction, which is of importance for the construction of miniaturized tunable optical delay components and low-threshold photonic crystal lasers, and the study of nonlinear optics phenomena. ©2004 American Institute of Physics.
| History: | Received 8 August 2003; accepted 24 October 2003 |
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http://link.aip.org/link/?APPLAB/84/161/1 |
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