科研之友
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摘要
The authors demonstrated the functionality of a circularly arranged submicron scale optical cavity with a GaInNAs gain medium and an AlOx cladding layer within a two-dimensional photonic crystal slab. The GaInNAs gain has negligible optical degradations due to process damage, probably stemming from the suppressed diffusion carriers and the small surface recombination velocity of the material. The calculated spectrum when using a finite different time domain simulation provides a cavity mode containing a whispering gallery mode at a wavelength close to 1.3 mu m. An observation of the tuned spectral peaks related to the cavity mode shows this cavity has promise for future device applications.
- 出版日期2012-3
