Nonlinear optical signals and spectroscopy with quantum light
Conventional nonlinear spectroscopy uses classical light to detect matter properties through
the variation of its response with frequencies or time delays. Quantum light opens up new …
the variation of its response with frequencies or time delays. Quantum light opens up new …
Sensitive mid-infrared detection in wide-bandgap semiconductors using extreme non-degenerate two-photon absorption
Identifying strong and fast nonlinearities for today's photonic applications is an ongoing
effort. Materials,,, and devices,,, are typically sought to achieve increasing nonlinear …
effort. Materials,,, and devices,,, are typically sought to achieve increasing nonlinear …
Mid-infrared single-photon upconversion spectroscopy based on temporal-spectral quantum correlation
Promoting the sensitivity of mid-infrared (MIR) spectroscopy to the single-photon level is a
critical need for investigating photosensitive biological samples and chemical reactions. MIR …
critical need for investigating photosensitive biological samples and chemical reactions. MIR …
Single-photon detection and its applications
Y Liang, HP Zeng - Science China Physics, Mechanics & Astronomy, 2014 - Springer
A single-photon detector is an extremely sensitive device capable of registering photons,
offering essential technical support for optics quantum information applications. We review …
offering essential technical support for optics quantum information applications. We review …
Infrared chemical imaging through non-degenerate two-photon absorption in silicon-based cameras
Chemical imaging based on mid-infrared (MIR) spectroscopic contrast is an important
technique with a myriad of applications, including biomedical imaging and environmental …
technique with a myriad of applications, including biomedical imaging and environmental …
Passive all-optical synchronization for polarization-maintaining mode-locked fiber lasers
We have proposed and implemented for the first time to our knowledge a passive and all-
optical pulse synchronization for polarization-maintaining fiber lasers. Specifically, the …
optical pulse synchronization for polarization-maintaining fiber lasers. Specifically, the …
Low-noise synchronized mid-infrared upconversion spectrometer with a large spectral coverage
Y Chen, Y Cai, X Xin, X Wang, K Huang… - Applied Physics Letters, 2023 - pubs.aip.org
Mid-infrared (MIR) frequency upconversion presents a powerful tool for MIR photon
detection at room temperature. However, the introduction of strong pump light will …
detection at room temperature. However, the introduction of strong pump light will …
Few-photon-level two-dimensional infrared imaging by coincidence frequency upconversion
We demonstrate few-photon-level infrared imaging at 1040 nm by coincidence frequency
upconversion with a high conversion efficiency of 33.5%. By synchronous pulse pumping at …
upconversion with a high conversion efficiency of 33.5%. By synchronous pulse pumping at …
Ultrasensitive mid-infrared up-conversion imaging at few-photon level
We demonstrated few-photon-level mid-infrared imaging at 3.39 μm by efficient frequency
up-conversion. The quantum frequency up-conversion efficiency of mid-infrared photons …
up-conversion. The quantum frequency up-conversion efficiency of mid-infrared photons …
Three-dimensional IR imaging with uncooled GaN photodiodes using nondegenerate two-photon absorption
We utilize the recently demonstrated orders of magnitude enhancement of extremely
nondegenerate two-photon absorption in direct-gap semiconductor photodiodes to perform …
nondegenerate two-photon absorption in direct-gap semiconductor photodiodes to perform …