Journal
ELECTRONICS LETTERS
Volume 45, Issue 1, Pages 53-U16Publisher
INST ENGINEERING TECHNOLOGY-IET
DOI: 10.1049/el:20093028
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Funding
- National Science Fund for Distinguished Young Scholars [60525406, 60736031, 2006CB604903, 2007AA03Z446]
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Electrically pumped, edge-emitting, singlemode operation of a two-dimensional photonic crystal distributed feedback (PCDFB) quantum cascade laser emitting at similar to 7.8 mu m is demonstrated. The two-beam holographic technique combined with wet-etching process is successfully used to de. ne a square-lattice PCDFB structure on the top grating layer of the laser. This simple PC fabrication method may open exciting opportunities for the wide application of PCDFB lasers.
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