کنفرانس مهندسی برق ایران

صفحه اصلی / سی و سومین کنفرانس بین المللی مهندسی برق

Optimization of 915nm laser diode asymmetric ‎structure: experimental and theoretical studies in ‎tandem

نویسندگان :

Seyed peyman Abbasi¹ Maryam Lajvardi² Arash Hodaei³

1- Iranian national center for laser science ‎and technology 2- Iranian national center for laser science ‎and technology 3- Iranian national center for laser science ‎and technology

کلمات کلیدی :

laser diode،waveguide،QW position optimization،confinement factor

چکیده :

Analytical modeling of the different parameter effects in the ‎‎915 nm laser diode optical losses is done. It was confirmed that ‎the relative position of quantum well(s) in the waveguide region ‎is the crucial point in designing the SCH. The amount of ‎injected current density and also cavity length were found to be ‎important in determining the total optical loss and the power ‎conversion efficiency. The laser device was simulated based on ‎the proposed structure which was predicted with the lowest ‎optical losses. The final predicted structure was fabricated. The ‎obtained experimental characteristics showed a considerable ‎accordance with the simulated results. This work made a ‎suitable tandem between simulation and experiment.‎

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