Strong angular dispersion using higher bands of planar silicon photonic crystals | Zendy

Babak Momeni | Zendy; Maysamreza Chamanzar | Zendy; Ehsan Hosseini | Zendy; Murtaza Askari | Zendy; Mohammad Soltani | Zendy; Ali Adibi | Zendy

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Strong angular dispersion using higher bands of planar silicon photonic crystals

Author(s) -

Babak Momeni,

Maysamreza Chamanzar,

Ehsan Hosseini,

Murtaza Askari,

Mohammad Soltani,

Ali Adibi

Publication year - 2008

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.16.014213

Subject(s) - photonic crystal , planar , optics , dispersion (optics) , square lattice , materials science , photonics , lattice (music) , silicon , optoelectronics , physics , condensed matter physics , computer science , computer graphics (images) , acoustics , ising model

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 degrees /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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