Inversion-channel resonant-cavity-enhanced field-effect photodetector for 2D OEIC applications

Sonu L. Daryanani; Geoffrey W. Taylor; Timothy A. Vang; Stephen K. Sargood; Benjamin Tell; D. Wendling; Lloyd R. Harriott

doi:10.1117/12.158581

15 October 1993 Inversion-channel resonant-cavity-enhanced field-effect photodetector for 2D OEIC applications

Sonu L. Daryanani, Geoffrey W. Taylor, Timothy A. Vang, Stephen K. Sargood, Benjamin Tell, D. Wendling, Lloyd R. Harriott

Author Affiliations +

Proceedings Volume 2022, Photodetectors and Power Meters; (1993) https://doi.org/10.1117/12.158581
Event: SPIE's 1993 International Symposium on Optics, Imaging, and Instrumentation, 1993, San Diego, CA, United States

Abstract

The operation of the inversion-channel Resonant-Cavity Enhanced (RCE) photodetector is demonstrated in a configuration compatible with the Vertical Cavity Surface Emitting Laser (VCSEL). The phototransistor used 3 strained InGaAs/GaAs quantum well's as the absorbing region and a post-growth dielectric top stack. A quantum efficiency of 41% was obtained at a resonant wavelength of 0.94 micrometers , thereby giving a resonant enhancement factor of 13.5. A bipolar transistor gain of 6.8 at a current density of 10 A/cm² allowed the phototransistor responsivity to reach 2.1 A/W at the resonant wavelength. We also demonstrate the movement of the resonant peak through the use of Focussed Ion-Beam (FIB) etching which has potential applications in Wavelength Division Multiplexed (WDM) systems.

Citation Download Citation

Sonu L. Daryanani, Geoffrey W. Taylor, Timothy A. Vang, Stephen K. Sargood, Benjamin Tell, D. Wendling, and Lloyd R. Harriott "Inversion-channel resonant-cavity-enhanced field-effect photodetector for 2D OEIC applications", Proc. SPIE 2022, Photodetectors and Power Meters, (15 October 1993); https://doi.org/10.1117/12.158581

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