All-Optical Flip-Flop Based on Coupled-Mode DBR Laser Diode for Optically Clocked Operation
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概要
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A novel type of optically clocked all-optical flip-flop based on a coupled-mode distributed Bragg reflector laser diode is proposed. The device operates as a bistable laser, where the two lasing modes at different wavelength are switched all-optically by injecting a clock pulse together with a set/reset signal. We employ an analytical model based on the two-mode coupled rate equations to verify the basic operation of the device numerically. Optically clocked flip-flop operation is obtained with a set/reset power of 0.60mW and clock power of 1.8mW. The device features simple structure, small footprint, and synchronized all-optical flip-flop operation, which should be attractive in the future digital photonic integrated circuits.
- 2012-02-01
著者
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Nakano Yoshiaki
Research Center For Advanced Science And Technology The University Of Tokyo
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Nakano Yoshiaki
Research Center For Advanced Science And Technology (rcast) At The University Of Tokyo
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Tanemura Takuo
Research Center For Advanced Science And Technology (rcast) The University Of Tokyo
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Higo Akio
Research Center For Advanced Science And Technology The University Of Tokyo
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Zaitsu Masaru
Research Center For Advanced Science And Technology The University Of Tokyo
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Zaitsu Masaru
Research Center for Advanced Science and Technology (RCAST), The University of Tokyo
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