Martiardonna, Luigi and Carbone, Luigi and Tandaechanurat, Aniwat and Kitamura, Masatoshi and Iwamoto, Satoshi and Manna, Liberato and De Vittorio, Massimo and Cingolani, Roberto and Arakawa, Yasuhiko (2008) Two-dimensional photonic crystal resist membrane nanocavity embedding colloidal dot-in-a-rod nanocrystals. NANO LETTERS, 8 (1). pp. 260-264.
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Official URL: http://dx.doi.org/10.1021/nl0725751
A novel technique for the fabrication of photonic crystal (PC) nanocavities coupled with colloidal nanocrystals is presented. A waveguiding resist membrane embedding highly emitting dot-in-a-rod nanocrystals was patterned through e-beam lithography and released through wet etching process. The proposed approach makes the PC structure independent of fabrication imperfections induced by etching steps. Micro-photoluminescence spectra revealed degenerated resonant modes (Q-factor similar to 700) whose fabrication-induced spectral splitting is comparable to the full width at half-maximum of the peaks. Active nanocavities tunable from visible to infrared spectral range on GaAs or Si substrates can be easily implemented by this technique.
|Subjects:||Material Science > Nanofabrication processes and tools|
Material Science > Nanostructured materials
|Deposited By:||Anuj Seth|
|Deposited On:||15 Dec 2008 11:38|
|Last Modified:||16 Jan 2009 16:49|
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