Fig. 3: Optical memory devices and their respective principle of operation. | Light: Science & Applications

Fig. 3: Optical memory devices and their respective principle of operation.

From: Optical RAM and integrated optical memories: a survey

Fig. 3

a a VCSEL-based optical memory, b an SOA-MZI coupled optical memory, c an InP micro-ring laser memory, d an InP microdisk memory, e an InGaAsP photonic crystal nanocavity memory and f an InP-on-SOI hybrid photonic crystal nanocavity laser memory. Figure reproduced with permission from a ref. 40, © 2010 OSA; b ref. 25, © Photonics Journal IEEE; c ref. 30, © 2004 Nature Publishing Group; d ref. 35, © 2010 Nature Publishing Group; e ref. 38, © 2012 Nature Publishing Group

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