Experiments on the data recording of optical waveguide multilayer storage devices

Zhongcheng Liang; Dongyan Ding; Haiyan Xie; Minfen Gu; Jiabi Chen; Songlin Zhuang

doi:10.1117/12.667198

29 December 2005 Experiments on the data recording of optical waveguide multilayer storage devices

Zhongcheng Liang, Dongyan Ding, Haiyan Xie, Minfen Gu, Jiabi Chen, Songlin Zhuang

Proceedings Volume 6028, ICO20: Lasers and Laser Technologies; 60281N (2005) https://doi.org/10.1117/12.667198
Event: ICO20:Optical Devices and Instruments, 2005, Changchun, China

Abstract

The basic principles of optical waveguide multilayer storage (WMS) device include recording data in the form of waveguide defects, reading data by collecting the scatter light from the waveguide defects, and restraining the cross talk between layers by taking the benefit of the waveguide structure. In this paper, we give some experimental results obtained by three different approaches of data recording. They are laser direct writing, photolithography and hot embossing. In the first method, a laser beam is focused on the top of a polymer film. The thermal effect alters the medium property locally at the focus point, which acts as the defect in the waveguide structure. The second method resorts to the processes of photolithography to record pits on the photoresist layer. The process of hot embossing is similar to the fabrication of CD-ROM, however, the data pits deeper than the wavelength are embossed on the polymer surface to increase the scattering efficiency. WMS devices based on different data writing methods are presented and the data scattering patterns are observed. The comparison between the different data writing approaches is made and discussed as well.

Citation Download Citation

Zhongcheng Liang, Dongyan Ding, Haiyan Xie, Minfen Gu, Jiabi Chen, and Songlin Zhuang "Experiments on the data recording of optical waveguide multilayer storage devices", Proc. SPIE 6028, ICO20: Lasers and Laser Technologies, 60281N (29 December 2005); https://doi.org/10.1117/12.667198

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available