Observation of bistability in a Vertical-Cavity Semiconductor Optical Amplifier (VCSOA) | Zendy

Pengyue Wen | Zendy; Michael Sánchez | Zendy; Matthias Groß | Zendy; Sadik C. Esener | Zendy

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Observation of bistability in a Vertical-Cavity Semiconductor Optical Amplifier (VCSOA)

Author(s) -

Pengyue Wen,

Michael Sánchez,

Matthias Groß,

Sadik C. Esener

Publication year - 2002

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.10.001273

Subject(s) - bistability , optical bistability , optics , optical amplifier , lasing threshold , hysteresis , amplifier , physics , semiconductor laser theory , semiconductor , optical switch , optoelectronics , materials science , laser , nonlinear optics , condensed matter physics , cmos

We report, the first time to our knowledge, an observation of optical bistability in a Vertical-Cavity Semiconductor Optical Amplifier (VCSOA) operated in reflection mode. Counterclockwise hysteresis loops are obtained over a range of initial phase detuning and bias currents. One hysteresis loop is observed experimentally with an input power as low as 2 ìW when the device is biased at 98% of its lasing threshold. We also numerically simulate the optical bistability and obtain good agreement with our experimental observations. Bistable VCSOAs significantly advances the prospect of dense 2-D array of low switching-intensity all-optical logic and memory elements.

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