Bit-error-rate issues for holographic data storage in bacteriorhodopsin films

John D. Downie; Dogan A. Timucin; Charles K. Gary; Meric Oezcan; Daniel Tod Smithey; Marshall Crew

doi:10.1117/12.330418

5 November 1998 Bit-error-rate issues for holographic data storage in bacteriorhodopsin films

John D. Downie, Dogan A. Timucin, Charles K. Gary, Meric Oezcan, Daniel Tod Smithey, Marshall Crew

Proceedings Volume 3468, Advanced Optical Memories and Interfaces to Computer Storage; (1998) https://doi.org/10.1117/12.330418
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

Abstract

Photochromic films made from bacteriorhodopsin (BR) possess many desirable characteristics for a candidate holographic optical data storage medium. These properties include optical erasability, high spatial resolution, adequate diffraction efficiency, flexible film formats, durability, an optimal recording/readout wavelength of about 680 - 690 nm, and potentially inexpensive cost. In this paper, we experimentally study the raw bit-error-rate (BER) achievable with BR films made from the genetic variant known as D85N. Experimental data is collected for digital bit patterns fabricated as chrome-on- glass masks, at two different spatial resolutions. The results show that films fabricated from D85N have good potential for use in holographic data storage systems, but that further effort must be devoted to the film fabrication process in order to minimize optical nonuniformity and scattering losses.

Citation Download Citation

John D. Downie, Dogan A. Timucin, Charles K. Gary, Meric Oezcan, Daniel Tod Smithey, and Marshall Crew "Bit-error-rate issues for holographic data storage in bacteriorhodopsin films", Proc. SPIE 3468, Advanced Optical Memories and Interfaces to Computer Storage, (5 November 1998); https://doi.org/10.1117/12.330418

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