A novel active MMI bi-stable laser using cross-gain saturation between fundamental and first order modes
HA Bastawrous, H Saikaku, H Jiang… - 2008 34th European …, 2008 - ieeexplore.ieee.org
2008 34th European Conference on Optical Communication, 2008•ieeexplore.ieee.org
… One critical issue is, however, their long device length due to insufficient cross-gain effect
in a cavity. For this reason, we propose and demonstrate a novel principle of active MMI-based
BLD for the first time in this paper. Our MMI-BLD device can act as all-optical flip-flop
utilizing the cross-gain saturation [6] between the fundamental and first-order modes which
leads to sufficient cross-gain even in relatively short cavity. Experimental results
demonstrate optical bistability for operation current around 100mA with 8mA hysteresis …
in a cavity. For this reason, we propose and demonstrate a novel principle of active MMI-based
BLD for the first time in this paper. Our MMI-BLD device can act as all-optical flip-flop
utilizing the cross-gain saturation [6] between the fundamental and first-order modes which
leads to sufficient cross-gain even in relatively short cavity. Experimental results
demonstrate optical bistability for operation current around 100mA with 8mA hysteresis …
A novel MMI-based bi-stable laser is proposed for realizing compact size. Relatively low operation current of 100 mA (8 mA hysteresis), and high ON/OFF optical power-ratio of 15 dB were successfully achieved (@L=550 mum).
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