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We demonstrate all-optical flip-flop operation of Mach-Zehnder bistable lasers with falling time of less than 68 ps. The device can be controlled with continuous 58-nm wavelength range of input light.
We fabricate and experimentally demonstrate all-optical flip-flop switching based on novel Mach-Zehnder interferometer bistable laser structure. The MZI-BLD successfully acts as set-reset flip-flop with continuous light injection.
We demonstrate a wavelength-tunable all-optical flip-flop (AOFF) based on a multimode-interference (MMI) bistable laser diode (BLD) with distributed Bragg reflectors (DBRs). The wavelength tuning can be achieved by the band-filling effect and the free-carrier plasma effect with carrier injections to the DBRs. The tuning range of 3.1 nm will enable flexible and reconfigurable design of future photonic...
We investigate wavelength tunability of all-optical flip-flop using distributed Bragg reflectors. Single-mode lasing and flip-flop switching is obtained with more than 24.7-dB extinction ratio and 21.5-dB SMSR at 3.1-nm tuning range.
We demonstrate polarization-insensitive all-optical flip-flop based on multimode-interference bistable laser diode. Dynamic switching is observed without waveform distortion even when the input polarization state is scrambled.
Cross gain modulation between two different optical signals, inserted through separate ports to an active MMI, has been experimentally measured. The observed trend of modulation reduction by increase of modulated signal power matches previous simulation results. An associated XPM is expected and could be optimized to enable using the active MMI in all-optical switching.
Multimode interference bistable laser diode all-optical flip-flop has been considered to be a clever candidate to achieve all-optical memory devices. In this paper, basic results of polarization-insensitive operation of all-optical flip-flop are reported. Polarization-insensitive operation of static flip-flop was demonstrated with injection power level higher than +3 dBm.
An MMI bistable laser diode optical flip-flop has been developed for all-optical packet switching networks. All-optical switching of 320 Gb/s packets has been successfully demonstrated by an optical label memory based on the optical flip-flop.
We have demonstrated all-optical packet switching, in which an MMI-BLD optical flip-flop worked as a label memory. The optical flip-flop allowed self-routing of multiple-wavelength packets with 338-ps switching time and 14-dB on-off ratio.
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