Physics of waveguide photodetectors with integrated amplification

Joachim Piprek; Daniel Lasaosa; Donato Pasquariello; John Edward Bowers

doi:10.1117/12.473078

25 July 2003 Physics of waveguide photodetectors with integrated amplification

Joachim Piprek, Daniel Lasaosa, Donato Pasquariello, John Edward Bowers

Proceedings Volume 4986, Physics and Simulation of Optoelectronic Devices XI; (2003) https://doi.org/10.1117/12.473078
Event: Integrated Optoelectronics Devices, 2003, San Jose, CA, United States

Abstract

The promising concept of waveguide photodetection with integrated amplification is evaluated by self-consistent device simulation. Such integrated amplification detectors have the potential to achieve simultaneously high saturation power, high speed, high responsivity, and quantum efficiencies well above one. Our example design vertically combines a bulk photodetector ridge region with laterally confined quantum wells for amplification. The current flow in the three-terminal device exhibits ground current reversal with increasing light power. The net optical gain is evaluated for different waveguide modes. For the dominating mode, the detector responsivity is shown to scale with the device length, reaching quantum efficiencies larger than 100%.

Citation Download Citation

Joachim Piprek, Daniel Lasaosa, Donato Pasquariello, and John Edward Bowers "Physics of waveguide photodetectors with integrated amplification", Proc. SPIE 4986, Physics and Simulation of Optoelectronic Devices XI, (25 July 2003); https://doi.org/10.1117/12.473078

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