Title :
Nanomechanically Tunable Photonic Crystal Resonators Utilizing Triple-Beam Coupled Nanocavities
Author :
Chew, Xiongyeu ; Zhou, Guangya ; Chau, Fook Siong ; Deng, Jie
Author_Institution :
Dept. of Mech. Eng., Nat. Univ. of Singapore, Singapore, Singapore
Abstract :
We present our results on the design, fabrication, and characterization of a tunable photonic crystal (PhC) resonator through utilization of triple-beam coupled nanocavities driven by an on-chip integrated nanomechanical system. Our experiments demonstrated that we are able to achieve up to 24-nm spectral tunability with minimal degradation of Q by accurate control of both perturbing nanoresonators. We have also validated our experimental results through three-dimensional (3-D) finite-difference time-domain (FDTD) simulations and shown good agreement with measured results.
Keywords :
finite difference time-domain analysis; nanophotonics; optical control; optical design techniques; optical fabrication; optical resonators; photonic crystals; nanomechanically tunable photonic crystal resonators; on-chip integrated nanomechanical system; perturbing nanoresonators; three-dimensional finite-difference time-domain simulations; triple-beam coupled nanocavities; wavelength 24 nm; Cavity resonators; Couplings; Dielectrics; Finite difference methods; Optical waveguides; Photonic crystals; Tuning; Integrated optics; microelectromechanical systems (MEMS); photonic crystals (PhCs); photonic wires (PhWs); silicon-on-insulator (SOI);
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2011.2160451
