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Quasi-light Storage for Optical Data Packets
Published on: February 6, 2014
Optical shift register based on an optical flip-flop memory with a single active element.
Optics Express
|June 9, 2009
Summary
We developed a novel optical shift register using two cascaded optical flip-flops. This design enables data processing with light, demonstrating potential for faster computing technologies.
Area of Science:
- Optoelectronics
- Photonics
- Optical Computing
Background:
- Optical shift registers are crucial components for optical signal processing and computing.
- Existing designs often face limitations in speed and cascadability.
- Developing robust and scalable optical memory elements is an ongoing challenge.
Purpose of the Study:
- To present a novel design for an optical shift register.
- To demonstrate the functionality of serially connected optical flip-flops for data storage and transfer.
- To investigate the operational speed limitations of the proposed architecture.
Main Methods:
- Constructed an optical shift register comprising two serially connected optical flip-flop memories.
- Each optical flip-flop was designed using two ring lasers sharing a single active element.
- The flip-flops were driven by common clock pulses to control data transfer between stages.
- Demonstrated the concept using fiber pig-tailed components forming 10 m long laser cavities.
Main Results:
- Successfully demonstrated an optical shift register architecture.
- Achieved an operational speed of 20 kHz.
- Identified laser cavity length as the primary limitation to higher operating frequencies.
- Showcased the cascaded nature of optical flip-flops for sequential data handling.
Conclusions:
- The proposed optical shift register, based on cascaded ring laser flip-flops, is a viable approach for optical data processing.
- The demonstrated 20 kHz speed highlights the potential of this architecture, with further improvements possible by optimizing cavity design.
- This work contributes to the advancement of all-optical systems and optical computing.
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