Tunable photon lifetime in photonic molecules: a concept for delaying an optical signal |
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Authors: | Rakovich Yury P Boland John J Donegan John F |
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Institution: | Departments of Physics and Chemistry, Trinity College, Dublin, Ireland. Rakovicy@tcd.ie |
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Abstract: | We experimentally and theoretically studied the photon lifetime spectral distribution in two coherently coupled spherical microcavities of 3-16 microm diameter forming a photonic molecule, which shows a multipeak narrowband modal structure resulting from lifting of the mode degeneracy with respect to the azimuthal quantum number. The results demonstrate the feasibility of photonic molecules as a basis for a multichannel, wavelength-tunable optical delay-line device, which can be used for delay times in the range 10 ps to 1 ns. |
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