Continuous‐wave lasing from a small number of perovskite quantum dots is achieved by coupling their photoluminescence to open‐access curved dielectric cavities. This geometry confines their emission into a single optical mode, sharply narrowing linewidths in both spontaneous and lasing regimes.
Sunny Tiwari +7 more
wiley +1 more source
Flow Cytometry: Advances, Challenges and Trends
Recent advances in flow cytometry span hardware, data processing, and AI‐driven analytics. Emerging modalitiesincluding spectral, imaging, mass, and nano/EV cytometryenable higher‐parameter and small‐particle detection. Integrated machine learning drives a shift from manual gating toward automated multi‐omics workflows.
J. Paul Robinson +2 more
wiley +1 more source
s2ISM: A Comprehensive Approach for Uncompromised Super-Resolution and Optical Sectioning in Image Scanning Microscopy [PDF]
Image Scanning Microscopy (ISM) enables good signal-to-noise ratio (SNR), super-resolution and high information content imaging by leveraging array detection in a laser-scanning architecture. However, the SNR is still limited by the size of the detector,
Zunino Alessandro +5 more
doaj +1 more source
This paper examines methods to best exploit the High Dynamic Range (HDR) of the single photon avalanche diode (SPAD) in a high fill-factor HDR photon counting pixel that is scalable to megapixel arrays.
Neale A.W. Dutton +4 more
doaj +1 more source
Single photon avalanche diode (SPAD) array detectors for luminescence based biomedical applications
Dissertation, Universität Duisburg-Essen ...
openaire +2 more sources
A Design and Characterization of CMOS SPAD Fabricated in a 0.18-
This article presents the design and characterization of a cost-effective single-photon avalanche diode (SPAD) implemented using a standard 180-nm CMOS process without any process modification.
Woojin Jo +2 more
doaj +1 more source
Advantages and Limitations of Fluorescence Lifetime Measurements Using Single-Photon Avalanche Diode (SPAD) Array Detector: A Comprehensive Theoretical and Experimental Study. [PDF]
Netaev A, Schierbaum N, Seidl K.
europepmc +1 more source
SPAD Smart Pixel for Time-of-Flight and Time-Correlated Single-Photon Counting Measurements
We present a smart pixel based on a single-photon avalanche diode (SPAD) for advanced time-of-flight (TOF) and time-correlated single photon counting (TCSPC) applications, fabricated in a cost-effective 0.35- m CMOS technology.
F. Villa +10 more
doaj +1 more source
Artifact Removal in Long-Range Single Photon LiDAR via Waveforms-Guided Depth Image Estimation
Single-photon light detection and ranging (LiDAR) has widespread applications due to the ultra-high sensitivity of the single-photon detector. However, the reconstruction has been plagued by multiple types of noise caused by crosstalk, dark counts, and ...
Jiying Chang +7 more
doaj +1 more source
Single-Photon Computational Imaging System Based on Multi-Pixel Photon Counter
Existing single-photon computational imaging systems always combine single-photon avalanche diode (SPAD)/photomultiplier tube (PMT) and time-correlated single-photon counting (TCSPC) together to collect the signals for imaging.
Rui Sun +7 more
doaj +1 more source

