[HTML][HTML] All-epitaxial guided-mode resonance mid-wave infrared detectors
We demonstrate all-epitaxial guided-mode resonance mid-wave infrared (MWIR) type-II
superlattice nBn photodetectors. Our detectors consist of a high-index absorber/waveguide …
superlattice nBn photodetectors. Our detectors consist of a high-index absorber/waveguide …
Experimental demonstration of infrared spectral reconstruction using plasmonic metasurfaces
We computationally reconstruct short-to long-wave infrared spectra using an array of
plasmonic metasurface filters. We illuminate the filter array with an unknown spectrum and …
plasmonic metasurface filters. We illuminate the filter array with an unknown spectrum and …
Room-temperature mid-wave infrared guided-mode resonance detectors
We demonstrate room temperature mid-wave infrared detectors with high peak detectivity.
Our detector structures consist of type-II superlattice nBn detectors with ultra-thin (250 nm) …
Our detector structures consist of type-II superlattice nBn detectors with ultra-thin (250 nm) …
Mid-infrared gas classification using a bound state in the continuum metasurface and machine learning
Mid-infrared (mid-IR) spectroscopy enables nondestructive and real-time chemical
identification. Emerging demand for in situ sensing has motivated the development of novel …
identification. Emerging demand for in situ sensing has motivated the development of novel …
Performance characterization of tunable longwave infrared notch filters using quantum cascade lasers
N Gupta, MS Mirotznik - Optical Engineering, 2018 - spiedigitallibrary.org
We describe the design and performance characterization of spectrally tunable
microengineered notch filters operating in the longwave infrared from 8 to 12 micron using …
microengineered notch filters operating in the longwave infrared from 8 to 12 micron using …
Polarization-independent angle-tolerant mid-infrared spectral resonance using amorphous germanium high contrast gratings for notch filtering application
Spectral resonances in the mid-infrared region with polarization independence and angle
tolerance are useful for filtering applications in infrared spectroscopy and imaging systems …
tolerance are useful for filtering applications in infrared spectroscopy and imaging systems …
High quality factor infrared notch filter with compact electromagnetically induced transparency metamaterial structure
Z Ren, B Zhu, J **a, M Ming, S Zhang, X Zhi, S Chen… - Materials Letters, 2023 - Elsevier
A high quality factor infrared notch filter with compact electromagnetically induced
transparency (EIT) structure is demonstrated theoretically and experimentally. The design …
transparency (EIT) structure is demonstrated theoretically and experimentally. The design …
High-quality large-scale electron-beam-written resonant filters for the long-wave infrared region
N Gupta, J Song - Optics Letters, 2021 - opg.optica.org
We present new, to the best of our knowledge, large-scale, high-quality spectral filters
operating in the long-wave infrared (LWIR) spectral region. We employ high-spatial …
operating in the long-wave infrared (LWIR) spectral region. We employ high-spatial …
Transmission filter controlled by incident conditions in single-layer waveguide grating structures
L Fan, K Jia, J Ma - Applied Optics, 2019 - opg.optica.org
The classical single-layer waveguide grating structure is often designed as a reflection filter
under 0° azimuthal angle conditions. A new method for achieving a transmission filter by …
under 0° azimuthal angle conditions. A new method for achieving a transmission filter by …
[HTML][HTML] Mid-infrared rainbow light-emitting diodes
We demonstrate a room-temperature all-epitaxial guided-mode resonance light-emitting
diode operating in the mid-wave infrared. The device comprises a dielectric waveguide with …
diode operating in the mid-wave infrared. The device comprises a dielectric waveguide with …