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We experimentally demonstrate a bistable laser diode (BLD) formed by a vertical-cavity surface-emitting laser (VCSEL) coupled to an in-plane laser (IPL) that includes a saturable absorber section. The device can be switched between its two states (corresponding to either the in-plane laser or the vertical-cavity laser being on) by injection of optical pulses. We also discuss possible applications for this device.
Date of Publication: May 2000