Title:
Strong angular dispersion using higher bands of planar silicon photonic crystals
Strong angular dispersion using higher bands of planar silicon photonic crystals
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Author(s)
Momeni, Babak
Chamanzar, Maysamreza
Hosseini, Ehsan Shah
Askari, Murtaza
Soltani, Mohammad
Adibi, Ali
Chamanzar, Maysamreza
Hosseini, Ehsan Shah
Askari, Murtaza
Soltani, Mohammad
Adibi, Ali
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Abstract
We present experimental evidence for strong angular dispersion in a planar photonic crystal (PC) structure by properly engineering the modes in the second PC band. We show that by using the second photonic band of a square lattice PC, angular dispersion of 4°/nm can be achieved. We also show that major challenges in designing practical PC devices using second band modes can be addressed by engineering the lattice and adding input/output buffer stages designed to eliminate unwanted effects.
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2008-09
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