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Storage of 1000 holograms with use of a dual-wavelength method

Chuang, Ernest and Psaltis, Demetri (1997) Storage of 1000 holograms with use of a dual-wavelength method. Applied Optics, 36 (32). pp. 8445-8454. ISSN 0003-6935.

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We demonstrate the storage of 1000 holograms in a memory architecture that makes use of different wavelengths for recording and readout to reduce the grating decay while retrieving data. Bragg-mismatch problems from the use of two wavelengths are minimized through recording in the image plane and using thin crystals. Peristrophic multiplexing can be combined with angle multiplexing to counter the poorer angular selectivity of thin crystals. Dark conductivity reduces the effectiveness of the dual-wavelength method for nonvolatile readout, and constraints on the usable pixel sizes limit this method to moderate storage densities.

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Additional Information:© 1997 Optical Society of America. Received 10 February 1997; revised manuscript received 16 May 1997. We thank Geoffrey Burr and Allen Pu for helpful discussions. Ernest Chuang also acknowledges the support of a National Science Foundation fellowship.
Subject Keywords:Volume holographic memory, dual-wavelength method, nonvolatile readout, peristrophic multiplexing, exposure schedule
Issue or Number:32
Record Number:CaltechAUTHORS:CHUao97
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Official Citation:E. Chuang and D. Psaltis, "Storage of 1000 holograms with use of a dual-wavelength method," Appl. Opt. 36, 8445-8454 (1997)
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:10731
Deposited By: Archive Administrator
Deposited On:05 Jun 2008
Last Modified:03 Oct 2019 00:12

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