Enhanced on-chip phase measurement by inverse weak value amplification [PDF]
Nature Communications, 2021 Weak value amplification in a compact format can lead to improved measurement capabilities in practical applications. Here the authors demonstrate weak value amplification in an integrated photonic chip with a multimode interferometer.
Meiting Song +6 more
doaj +3 more sources
Technical Advantages for Weak-Value Amplification: When Less Is More [PDF]
Physical Review X, 2014 The technical merits of weak-value-amplification techniques are analyzed. We consider models of several different types of technical noise in an optical context and show that weak-value-amplification techniques (which only use a small fraction of the ...
Andrew N. Jordan +2 more
doaj +7 more sources
An ultra-sensitive biosensor based on surface plasmon resonance and weak value amplification [PDF]
Frontiers in ChemistryAn ultra-sensitive phase plasmonic sensor combined with weak value amplification is proposed for the detection of IgG, as a model analyte. Phase detection is accomplished by self-interference between the p-polarization and the s-polarization of the light.
Lizhong Zhang +6 more
doaj +4 more sources
Synergistic Signal Amplification via Weak Value Amplification Effect and Sandwich Structure for Highly Sensitive and Specific Real-Time Detection of CA125 [PDF]
BiosensorsBiomolecule detection is pivotal in disease diagnosis. In this study, we present a novel aptamer–antibody sandwich module integrated with an imaging weak measurement system to enhance the sensitivity and specificity of biomolecule detection.
Bei Wang +5 more
doaj +2 more sources
Weak Value Amplification-Based Biochip for Highly Sensitive Detection and Identification of Breast Cancer Exosomes [PDF]
BiosensorsExosomes constitute an emerging biomarker for cancer diagnosis because they carry multiple proteins that reflect the origins of the parent cell. The highly sensitive detection of exosomes is a crucial prerequisite for the diagnosis of cancer.
Jingru Zhao +4 more
doaj +2 more sources
A Dual Immunosensor Based on Optical Weak Value Amplification for Simultaneous Detection of CA125 and HE4 [PDF]
SensorsSimultaneous detection of multiple biomarkers is essential for effective cancer screening. Taking ovarian cancer as an example, the combined detection of CA125 and HE4 has proven to be the most efficient and accurate among multiple biomarker combinations.
Bei Wang +10 more
doaj +2 more sources
Weak Value Amplification Based Optical Sensor for High Throughput Real-Time Immunoassay of SARS-CoV-2 Spike Protein [PDF]
BiosensorsThe demand for accurate and efficient immunoassays calls for the development of precise, high-throughput analysis methods. This paper introduces a novel approach utilizing a weak measurement interface sensor for immunoassays, offering a solution for high
Xiaonan Zhang +10 more
doaj +2 more sources
Weak value amplification: a view from quantum estimation theory that highlights what it is and what isn't. [PDF]
Sci Rep, 2016 Weak value amplification (WVA) is a concept that has been extensively used in a myriad of applications with the aim of rendering measurable tiny changes of a variable of interest.
Torres JP, Salazar-Serrano LJ.
europepmc +5 more sources
Pragmatic Implementation With Non-Gaussian Devices of Noise-Limited Weak Value Amplification
IEEE Photonics Journal, 2021 An effective approach for general measurement based on weak value amplification using non-Gaussian broadband light sources is demonstrated. This scheme can reduce the difficulty of preparing the measurement apparatus and correcting the systematic error ...
Hao Wu +8 more
doaj +3 more sources
High-Precise Measurement of Optical Rotatory Dispersion Based on Weak Value Amplification
IEEE Photonics Journal, 2021 Chiroptical signals (generally very weak) play significant roles in chiral discrimination that bring great benefits in biochemistry, pharmacy, chemical, and so on. But, high-precise chiroptical detection is still a challenge.
Jingyi Shao +6 more
doaj +1 more source