Title

Two-Photon Photovoltaic Effect In Gallium Arsenide

Abstract

The two-photon photovoltaic effect is demonstrated in gallium arsenide at 976 and 1550 nm wavelengths. A waveguide- photodiode biased in its fourth quadrant harvests electrical power from the optical energy lost to two-photon absorption. The experimental results are in good agreement with simulations based on nonlinear wave propagation in waveguides and the drift-diffusion model of carrier transport in semiconductors. Power efficiency of up to 8% is theoretically predicted in optimized devices.

Publication Date

9-15-2014

Publication Title

Optics Letters

Volume

39

Issue

18

Number of Pages

5297-5300

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1364/OL.39.005297

Socpus ID

84907174176 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/84907174176

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