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A space mode selective light source with over 40 GHz direct modulation bandwidth
2019
Japanese Journal of Applied Physics
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A high-speed mode selective light source with over 40 GHz direct modulation bandwidth on both 0th and 1st order modes was demonstrated on an active multimode interferometer laser diode (active-MMI LD). By introducing multiple photon-photon resonances (PPR), the bandwidth of small signal frequency response is extremely extended. As the advantage of the active-MMI, the designed PPR frequencies are stable and do not change as the cleaving condition changes. In this work, 1 × 3 asymmetric
doi:10.7567/1347-4065/ab1fd7
fatcat:3neayfwprjaitoz3z5szd5c37u