Characterization of azimuthal and longitudinal modes in rolled-up InGaAs/GaAs microtubes at telecom wavelengths | Zendy

Qiuhang Zhong | Zendy; Zhaobing Tian | Zendy; Hadi Tavakoli Dastjerdi | Zendy; Zetian Mi | Zendy; David V. Plant | Zendy

AI Assistant Blog Pricing

Home ZAIA Blog

Open Access

Characterization of azimuthal and longitudinal modes in rolled-up InGaAs/GaAs microtubes at telecom wavelengths

Author(s) -

Qiuhang Zhong,

Zhaobing Tian,

Hadi Tavakoli Dastjerdi,

Zetian Mi,

David V. Plant

Publication year - 2013

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.21.018909

Subject(s) - optics , wavelength , azimuth , materials science , longitudinal mode , whispering gallery wave , planar , photonics , coupled mode theory , coupling (piping) , scattering , optoelectronics , waveguide , physics , resonator , refractive index , computer graphics (images) , computer science , metallurgy

We report on theoretical and experimental investigation of azimuthal and longitudinal modes in rolled-up microtubes at telecom wavelengths. These microtubes are fabricated by selectively releasing a coherently strained InGaAs/GaAs bilayer. We apply planar waveguide method and a quasi-potential model to analyze the azimuthal and longitudinal modes in the microtubes near 1550 nm. Then we demonstrate these modes in transmission spectrum by evanescent light coupling. The experimental observations agree well with the calculated results. Surface-scattering-induced mode splitting is also observed in both transmission and reflection spectra at ~1600 nm. The mode splitting is in essence the non-degeneracy of clockwise and counter-clockwise whispering-gallery modes of the microtubes. This study is significant for understanding the physics of modes in microtubes and other microcavities with three-dimensional optical confinement, as well as for potential applications such as microtube-based photonic integrated devices and sensing purposes.

The content you want is available to Zendy users.

Already have an account? Click here to sign in.

Having issues? You can contact us here

Accelerating Research