New alternative approach to all-optical flip-flop with nonlinear material

Dibyendu Giri; Partha Pratima Das

doi:10.1117/1.3461970

1 July 2010 New alternative approach to all-optical flip-flop with nonlinear material

Dibyendu Giri, Partha Pratima Das

Author Affiliations +

Optical Engineering, Vol. 49, Issue 7, 075201 (July 2010). https://doi.org/10.1117/1.3461970

Abstract

Due to its inherent parallelism and tremendous operational speed, optical signal is the most suitable for data processing and digital communication in various fields. Conventional electronic and opto-electronic systems are unable to fulfill this arena, because of their low speed and time delay. In the case of pure electronic flip-flop, when a switch is turned ON, there is notable propagation delay on the order of nanoseconds. For an opto-electronic flip-flop although the propagation delay time is much less than that of an electronic flip-flop (about 10 to 100 times less), there are many disadvantages. Some of these disadvantages are delay of response time due to the use of spatial light modulators, an O/E converter that does not operate at all frequencies or wavelengths, and the unavailability of such materials. An optical input encoding methodology is proposed for the performance of all-optical flip-flop operations possible for two inputs. These operations were conducted in all-optical mode and are parallel in nature. All the operations are treated with proper exploitation of some nonlinear materials.

©(2010) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Dibyendu Giri and Partha Pratima Das "New alternative approach to all-optical flip-flop with nonlinear material," Optical Engineering 49(7), 075201 (1 July 2010). https://doi.org/10.1117/1.3461970

Published: 1 July 2010

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KEYWORDS

Nonlinear optics

Laser beam diagnostics

Spatial light modulators

Computer programming

Clocks

Logic

Opacity

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