Hybrid infrared optical upconversion devices with a built-in electrical gain

Jun Chen; Dayan Ban; Michael G. Helander; Zhenghong Lu; P. Poole; H. C. Liu

doi:10.1117/12.850279

3 May 2010 Hybrid infrared optical upconversion devices with a built-in electrical gain

Jun Chen, Dayan Ban, Michael G. Helander, Zhenghong Lu, P. Poole, H. C. Liu

Proceedings Volume 7660, Infrared Technology and Applications XXXVI; 76600P (2010) https://doi.org/10.1117/12.850279
Event: SPIE Defense, Security, and Sensing, 2010, Orlando, Florida, United States

Abstract

This paper presents our research and development efforts in realizing and perfecting organic/inorganic photon upconversion devices for wavelengths from near infrared (1.5 μm) region to visible light (green). The basic idea is to integrate an InGaAs/InP photodetector with an organic light emitting diode (OLED), connected in series. The detected photocurrent drives the OLED to emit visible light, thereby achieving the wavelength conversion. We have adopted new strategies to improve the external device efficiency, including insertion of an embedded mirror and integration of a heterojunction phototransistor (HPT) and an OLED. As a result, infrared optical upconversion is demonstrated at room temperature with a built-in electrical gain of 15 from the HPT and an external upconversion efficiency that is improved by one order of magnitude.

Citation Download Citation

Jun Chen, Dayan Ban, Michael G. Helander, Zhenghong Lu, P. Poole, and H. C. Liu "Hybrid infrared optical upconversion devices with a built-in electrical gain", Proc. SPIE 7660, Infrared Technology and Applications XXXVI, 76600P (3 May 2010); https://doi.org/10.1117/12.850279

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