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Creators/Authors contains: "Hodaei, Hossein"

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  1. ; ; ; ; ; (, Optics Express)
    The dynamical behavior of broken symmetric coupled cavity lasers is theoretically investigated. The frequency response of this class of lasers is obtained using small signal analysis under direct modulation. Our model predicts a modulation bandwidth enhancement as a broken symmetric laser, operating in the parity-time (PT) symmetry and non-PT symmetry domains. This theoretical prediction is numerically examined in a laser system based on an InGaAs quantum dot platform. Our results clearly show that in these structures, in addition to the injection current, the gain-loss contrast can be used as a new degree of freedom in order to control the characteristic poles of the frequency response function. 
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  2. ; ; ; ; ; ; ; (, Proceedings of the IEEE)
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  3. ; ; ; ; ; ; ; ; (, CLEO: Science and Innovations 2018)
    Single-mode lasing is demonstrated in an electrically injected coupled microring arrangement at telecommunication wavelengths by exploiting the unique physics associated with parity-time-symmetry. 
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