Polarization-independent drop filters based on photonic crystal self-collimation ring resonators | Zendy

Xiyao Chen | Zendy; Zexuan Qiang | Zendy; Deyin Zhao | Zendy; Hui Li | Zendy; Yishen Qiu | Zendy; Weiquan Yang | Zendy; Weidong Zhou | Zendy

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Polarization-independent drop filters based on photonic crystal self-collimation ring resonators

Author(s) -

Xiyao Chen,

Zexuan Qiang,

Deyin Zhao,

Hui Li,

Yishen Qiu,

Weiquan Yang,

Weidong Zhou

Publication year - 2009

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.17.019808

Subject(s) - free spectral range , finite difference time domain method , optics , photonic crystal , resonator , polarization (electrochemistry) , coupled mode theory , materials science , birefringence , photonic integrated circuit , polarization rotator , optoelectronics , physics , refractive index , chemistry

We report here a polarization-independent drop filter (PIDF) based on a photonic crystal self-collimation ring resonator (SCRR). Despite of the large birefringence associated with the polarization-dependent dispersion properties, we demonstrate a PIDF based on multiple-beam interference theory and polarization peak matching (PPM) technique. The PIDF performance was also investigated based on finite-difference time-domain (FDTD) technique, with excellent agreement between the theory and the simulation. For the designed drop wavelength of 1550 nm, the polarization-independent free spectral range is about 36.1 nm, which covers the whole optical communication C-band window. The proposed PIDFs are highly desirable for applications in photonic integrated circuits (PICs).

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