Bloch FDTD simulation of slow optical wave resonance cavity in optical storage technology

Bin Zhang; Zhaohua Lin; Lihua Cai

doi:10.1117/12.2030802

20 August 2013 Bloch FDTD simulation of slow optical wave resonance cavity in optical storage technology

Bin Zhang, Zhaohua Lin, Lihua Cai

Proceedings Volume 8913, International Symposium on Photoelectronic Detection and Imaging 2013: Optical Storage and Display Technology; 891302 (2013) https://doi.org/10.1117/12.2030802
Event: ISPDI 2013 - Fifth International Symposium on Photoelectronic Detection and Imaging, 2013, Beijing, China

Abstract

Long chain series resonance cavity is suitable for transferring slow optical wave, which can be served as the basic device for optical storage technology. Micro-ring resonator is one kind of such a long chain structure, which is considered to be the basic component of optical integrated circuit and optical computer in the future. The discrete energy level has the potential to distinguish digital optical data. The optical delay characteristics make such a device possible to store the information for some time. The advantage of this device is that it has the potential to construct an optical storage device in small geometrical dimension and could use mature semiconductor manufacture capability to lower the design and manufacturing expenses. Many experimental results have proved a lot of material and geometrical coefficients are very important for such an optical delay device. New theory method is needed to calculate the periodical energy transfer and time delay characteristics, which can be compared with experimental result. The Bloch FDTD is presented for analysis of such a new optical device, based on the optical Bloch energy band theory. The energy band characteristics of micro-ring periodical optical waveguide device is discussed used that analytical method. This precise calculated method could be served as a useful tool for design the structure of such resonance cavity to achieve desired slow optical wave transfer performance.

Citation Download Citation

Bin Zhang, Zhaohua Lin, and Lihua Cai "Bloch FDTD simulation of slow optical wave resonance cavity in optical storage technology", Proc. SPIE 8913, International Symposium on Photoelectronic Detection and Imaging 2013: Optical Storage and Display Technology, 891302 (20 August 2013); https://doi.org/10.1117/12.2030802

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KEYWORDS

Waveguides

Finite-difference time-domain method

Optical storage

Integrated optics

Microrings

Resonators

Optics manufacturing

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