Abstract

We have proposed a type of mid-infrared (MIR) and far-infrared (FIR) dual-band imaging device, which employs the photon frequency upconversion concept in a $\mathrm{GaN}∕\mathrm{AlGaN}$ MIR and FIR dual-band detector integrated with a $\mathrm{GaN}∕\mathrm{AlGaN}$ violet light emitting diode. On the basis of the photoresponse of single-period $\mathrm{GaN}∕\mathrm{AlGaN}$ dual-band detectors, we present the detailed optimization of multiperiod $\mathrm{GaN}$ emitter/$\mathrm{AlGaN}$ barrier detectors and their applications to dual-band pixelless upconversion imaging. Satisfying images have been received through the analysis of the modulation transfer function and the upconversion efficiency in the $\mathrm{GaN}∕\mathrm{AlGaN}$ dual-band pixelless upconverters, which exhibit good image resolution, high quantum efficiency, and negligible cross talk.

© 2007 Optical Society of America

n-Type GaAs/AlGaAs heterostructure detector with a 3.2 THz threshold frequency

Aruna Weerasekara, Mohamad Rinzan, Steven Matsik, A. G. Perera, Margaret Buchanan, Hui Chun Liu, Greg von Winckel, Andreas Stintz, and Sanjay Krishna
Opt. Lett. 32(10) 1335-1337 (2007)

Optical detection of terahertz radiation by using nonlinear parametric upconversion

M. Jalal Khan, Jerry C. Chen, and Sumanth Kaushik
Opt. Lett. 32(22) 3248-3250 (2007)

Infrared frequency upconverter for high-sensitivity imaging of gas plumes

Masaharu Imaki and Takao Kobayashi
Opt. Lett. 32(13) 1923-1925 (2007)

Harmonic signal generation and frequency upconversion using selective sideband Brillouin amplification in single-mode fiber

Kwang-Hyun Lee and Woo-Young Choi
Opt. Lett. 32(12) 1686-1688 (2007)

IR Image upconversion using band-limited ASE illumination fiber sources

H. Maestre, A. J. Torregrosa, and J. Capmany
Opt. Express 24(8) 8581-8593 (2016)