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Polarization multiplexed write-once-read-many optical data storage in bacteriorhodopsin films
Yao, BL; Lei, M; Ren, LY; Menke, N; Wang, YL; Fischer, T; Hampp, N
Corresponding AuthorYao, BL(yaobl@opt.ac.cn)
2005-11-15
Source PublicationOPTICS LETTERS
ISSN0146-9592
Volume30Issue:22Pages:3060-3062
AbstractIn polymeric films of bacteriorhodopsin (BR) a photoconversion product, which was named the F620 state, was observed on excitation of the film with 532 nm nanosecond laser pulses. This photoproduct shows a strong nonlinear absorption. Such BR films can be used for write-once-read-many (WORM) optical data storage. We demonstrate that a photoproduct similar or even identical to that obtained with nanosecond pulses is generated on excitation with 532 mn femtosecond pulses. This photoproduct also shows strong anisotropic absorption, which facilitates polarization storage of data. The product is thermally stable and is irretrievable to the initial B state either by photochemical reaction or through a thermal pathway. The experimental results indicate that the product is formed by a two-photon absorption process. Optical WORM storage is demonstrated by use of two polarization states, but more polarization states may be used. The combination of polarization data multiplexing and extremely short recording time in the femtosecond range enables very high data volumes to be stored within a very short time. (c) 2005 Optical Society of America.
Indexed BySCI
Language英语
WOS Research AreaOptics
WOS SubjectOptics
WOS IDWOS:000233258800030
PublisherOPTICAL SOC AMER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/82372
Corresponding AuthorYao, BL
Affiliation1.Chinese Acad Sci, Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Photon, Xian 710068, Peoples R China
2.Univ Marburg, Dept Chem, D-35032 Marburg, Germany
3.Ctr Mat Sci, D-35032 Marburg, Germany
Recommended Citation
GB/T 7714
Yao, BL,Lei, M,Ren, LY,et al. Polarization multiplexed write-once-read-many optical data storage in bacteriorhodopsin films[J]. OPTICS LETTERS,2005,30(22):3060-3062.
APA Yao, BL.,Lei, M.,Ren, LY.,Menke, N.,Wang, YL.,...&Hampp, N.(2005).Polarization multiplexed write-once-read-many optical data storage in bacteriorhodopsin films.OPTICS LETTERS,30(22),3060-3062.
MLA Yao, BL,et al."Polarization multiplexed write-once-read-many optical data storage in bacteriorhodopsin films".OPTICS LETTERS 30.22(2005):3060-3062.
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