Search or ask a question

What is the impact of electromagnetic scattering on the spontaneous emission of a single photon emitters?

Brillouin scattering

Quantum network

Amplified spontaneous emission

Best insight from top research papers

Electromagnetic scattering plays a crucial role in influencing the spontaneous emission of single photon emitters. In the context of cavity quantum electrodynamics (CQED), enhanced spontaneous emission based on cavity interactions is fundamental for creating efficient single-photon sources . Additionally, near mirror surfaces, reflections can erase which-path information, allowing emitted photons to act as coherent beam splitters, impacting atomic matter-wave coherence . Moreover, amplified spontaneous emission within the Brillouin gain bandwidth significantly affects Brillouin scattering of single-frequency signals in fibers, showcasing a notable influence on signal thresholds and backscattered power levels . These findings highlight the intricate interplay between electromagnetic scattering and spontaneous emission in various contexts, shaping the behavior of single photon emitters.

Answers from top 5 papers

PDF

Open Access

More filters

Papers (5)	Insight
Open access•Journal Article•DOI Impact of amplified spontaneous emission on Brillouin scattering of a single-frequency signal Malte Karow, Jörg Neumann, Dietmar Kracht, Peter Weßels - Show less +3 more 07 May 2012-Optics Express 9 Citations	Not addressed in the paper.
Open access•Posted Content•DOI Collective photon emission patterns from two atoms in free space 28 Feb 2022	Electromagnetic scattering can modify spontaneous emission patterns of single photon emitters, leading to phenomena like super- and sub-radiance, as observed in entangled Dicke states of two atoms in free space.
Open access•Journal Article•DOI Spontaneous emission in micro- or nanophotonic structures Zhiyuan Qian, Lingxiao Shan, Xinchen Zhang, Qi Liu, Yun Ma, Qihuang Gong, Ying Gu - Show less +6 more 01 Dec 2021-PhotoniX 14 Citations	Electromagnetic scattering influences spontaneous emission in micro- or nanophotonic structures, enhancing light-matter interaction for single-photon sources and on-chip quantum information applications.
Open access•Proceedings Article•DOI Single spontaneous photon as a coherent beamsplitter for an atomic matter-wave Jiří Tomkovič, Michael Schreiber, J. Welte, Martin Kiffner, Markus K. Oberthaler, Jörg Schmiedmayer - Show less +5 more 04 Dec 2014 3 Citations	Close to a mirror, electromagnetic scattering erases which-path information, allowing a single emitted photon to act as a coherent beamsplitter for atomic matter-waves, verified by atom interferometry.
Proceedings Article•DOI Investigations on the Impact of Amplified Spontaneous Emission on Brillouin Scattering of a Single-Frequency Signal Malte Karow, Jörg Neumann, Dietmar Kracht, Peter Weßels - Show less +3 more 29 Jan 2012 1 Citations	Not addressed in the paper.

My columns

Related Questions

What is the Impact of using Electromagnetic Radiation”on enviriment?4 answersThe impact of using electromagnetic radiation on the environment is a topic of concern. Studies have shown that heavy electromagnetic pollution, caused by the use of RF-based communication technology, can have direct and indirect effects on the ecosystem and the health of living things. The dispersion of electromagnetic radiation, also known as electromagnetic radiation (EMR), can cause health complaints and have physiological and psychological effects on the surrounding environment. EMR, emitted from electrically charged particles, poses a prominent health hazard to birds, humans, animals, plants, and the environment. Birds, in particular, are highly affected by these radiations, leading to neural damage, locomotory defects, and reproductive issues. It is crucial to establish stricter radiation standards to mitigate these negative effects and ensure the well-being of living organisms and the environment.

What is scattering cross sections?3 answersThe scattering cross section is a fundamental concept in the study of particle interactions. It is a measure of the probability that a particle will scatter in a particular direction when it interacts with another particle or system. The cross section can be computed for different potential systems and is related to the properties encoded in the S-matrix. The S-matrix is an object that describes the scattering properties of a system and is computed through theoretical analysis. The cross section is a quantity that can be measured in laboratory experiments and provides information about the outcome of these experiments. It is also used to calculate the energy efficiency factors of a scatterer and can reveal additional properties of the scatterer not obtained from the linear scattered field. However, identifying the contribution to the cross section from individual members of a cluster of scatterers is challenging.

Is quantum dot an emitter of single photons?5 answersQuantum dots are indeed emitters of single photons. They have excellent photophysical properties and can be collectively excited with high efficiency. Chirped pulse excitation is the most efficient scheme to excite a quantum dot ensemble, and recent advancements have led to the development of compact and robust methods for chirped pulse excitation. Additionally, quantum dots embedded within different photonic structures, such as nanowire waveguides, have been shown to generate single photons at high repetition rates with low multi-photon emission probability. Furthermore, through engineered Purcell effect in a photonic crystal cavity, single-photon emission with Gaussian-like spatial and temporal modes can be achieved. Therefore, quantum dots serve as efficient sources of single photons and hold great potential for practical quantum photonic devices.

What is the definition of electromagnetic radiation?3 answersElectromagnetic radiation refers to energy in the form of oscillating electric and magnetic fields. It is a way that energy travels through space without any material support. Electromagnetic radiation can be described as either electromagnetic waves or a flux of photons. These waves consist of oscillating magnetic and electric fields that vibrate in opposite directions. It is a nonwork interaction between two black bodies at different temperatures, but it can be considered heat if the temperature difference is infinitesimal. Living tissues, including plants, animals, and humans, are affected by electromagnetic radiation in the environment. Biological cell proliferation and differentiation can be influenced by both AC and DC magnetic fields.

How can scattering transform be used to analyze time series data?5 answersThe scattering transform is a powerful technique for analyzing time series data. It combines wavelet multiscale decompositions with a deep convolutional architecture, allowing for the extraction of meaningful features from the data. The scattering transform has been used in various applications, including the analysis of biomedical signals. One study demonstrated the usefulness of the wavelet scattering transform in classifying chaotic and non-chaotic segments of biomedical signals, such as PPG signals, eye movement signals, and human joint angles data during gait. Another study showed that the scattering transform can be generalized to non-Euclidean domains using diffusion wavelets, while still preserving stability with respect to metric changes in the domain. Overall, the scattering transform provides a stable and interpretable approach for analyzing time series data in various fields of science.

What is Mie scattering?4 answersMie scattering is a method used to study the scattering of light by particles that are larger than the wavelength of light. It involves using mathematical algorithms, such as the Mie coefficients, to calculate various scattering parameters. These parameters include the scattering cross section, extinction cross section, and absorption cross section. Mie scattering can be applied to different scenarios, such as the scattering of light by magnetic particles in a magnetic fluid. It is a powerful technique for modeling electromagnetic scattering from multilayered spheres and can be used to analyze the interaction between optical elements and spherical targets. Mie coefficients, which represent the properties of the particle, lie on a universal circle in the complex plane known as the Mie circle. The rotation direction of these coefficients can change depending on certain parameters, and they can also be related to magnetic multipole coefficients for perfect conductors. Mie scattering theory has applications in various subdisciplines of optics and photonics and can provide insights into the scattering of different types of waves.

See what other people are reading

What are continuous variables ?

Continuous variables are outcomes that are measured, not counted, and are essential in various fields like quantum information processing and medical research. In quantum mechanics, continuous variables are crucial for systems modeled in infinite-dimensional Hilbert spaces, allowing for unique observables with continuous spectra. Quantum Information utilizes both discrete and continuous variables, with the latter extending from the quantum harmonic oscillator, enabling representations in phase space using functions like the Wigner and characteristic functions, facilitating the study of Gaussian states and transformations. In medical research, continuous variables like age and blood pressure are commonly used to assess risk, prognosis, and treatment efficacy, highlighting the importance of appropriate analysis methods such as fractional polynomials to avoid issues related to categorization. Continuous variables play a significant role in quantum communication systems based on optical components, with protocols using Gaussian-modulated coherent light states for quantum key distribution.How will IoT be secure in the era of Quantum computer?

In the era of Quantum computing, ensuring security for the Internet of Things (IoT) is crucial. Quantum computers pose a threat to traditional encryption methods used in IoT devices. To address this, researchers are exploring post-quantum cryptographic algorithms like Kyber for public key encryption. Additionally, the integration of quantum components into IoT networks, such as quantum nodes and servers, can significantly enhance security and Quality of Service (QoS). Shor's algorithm, known for its robust security, is being utilized to secure quantum computing systems for IoT applications. By implementing quantum-resilient public key cryptography and leveraging the capabilities of quantum communication networks, IoT devices can maintain security even in the face of advancing quantum technologies.Why is the intensity of Raman peak sharp and high intensity in S-H bond in HER?

The sharp and high intensity of Raman peaks in S-H bonds in Hydrogen Evolution Reaction (HER) can be attributed to the unique characteristics of hydrogen bonding interactions. Raman spectroscopy has been instrumental in elucidating the nature and strength of S-H hydrogen bonds in proteins. The large proton polarizability of hydrogen bonds influences the energy levels and intensities of Raman peaks, leading to distinct features in the spectra. Additionally, the modifications in the vibrational density of states during reactions, such as polymerization, can affect the intensity and sharpness of Raman peaks, showcasing the impact of bond formation on spectroscopic signatures. Therefore, the interplay between hydrogen bonding and molecular interactions plays a crucial role in shaping the intensity and sharpness of Raman peaks in S-H bonds in HER.What is the nonlinear quantum hall effect?

The nonlinear quantum Hall effect refers to a phenomenon where a charge current is induced in response to an external electric field due to the Berry curvature dipole in momentum space. This effect can be observed in systems like bilayer graphene under an in-plane magnetic field, breaking time-reversal symmetry. Additionally, the nonlinear Hall effect can be induced by quantum metric dipole in materials like MnBi2Te4 interfaced with black phosphorus, showcasing distinct scaling properties independent of scattering time. Furthermore, in nonlinear uniaxial crystals, the spin Hall effect of second-harmonic photons is demonstrated through spin-orbit coupling, showcasing the generation and evolution processes of nonlinear spin photons within the crystal. These findings deepen our understanding of quantum phenomena and pave the way for potential applications in spintronics and electrooptic devices.Do people report ALP activity based on absobance?

ALP activity is typically reported based on various methods such as fluorescence assays, isothermal circular exponential amplification, and genetic testing for ALPL variants. Absorbance is not commonly used for reporting ALP activity. Fluorescence assays utilizing hydroxyapatite nanoparticles (HAP-NPs) for ALP activity testing, isothermal circular exponential amplification for ultrasensitive ALP detection, and genetic testing for ALPL variants in individuals with persistent hypophosphatasaemiaare more prevalent methods. These advanced techniques offer high sensitivity, wide dynamic ranges, and the ability to detect ALP at the single-cell level, making them valuable for clinical and biomedical applications. Therefore, while absorbance may be used in some contexts, it is not the primary method for reporting ALP activity in the studies referenced.How can the differential gain coefficient be measured in a semiconductor laser diode?

The measurement of the differential gain coefficient in a semiconductor laser diode can be achieved through various techniques outlined in the provided research contexts. One method involves utilizing a secondary modulation electro-optic mixing device to modulate a semiconductor laser and eliminate detector influences, enabling high-resolution electric field measurements. Another approach includes a novel technique based on least squares curve fitting to each longitudinal mode of the amplified spontaneous emission spectrum, reducing errors over a wide wavelength range. Additionally, a gain measurement approach for semiconductor edge-emitting lasers allows for obtaining TE and TM gain spectra easily by collecting emissions at dual facets, aiding in analyzing gain polarization characteristics and subband structures in the valence band. These methods collectively offer insights into accurately measuring the differential gain coefficient in semiconductor laser diodes.Does anybady demonstrate the strong coupling with nitrogen vacancy center?

Yes, several studies have demonstrated strong coupling with nitrogen vacancy (NV) centers. One approach involves enhancing the interaction between two single NV spins in diamond by coupling them to an electromechanical cavity, enabling coherent quantum-information exchange. Another study proposes coupling the NV center in diamond to a silicon nitride cavity for efficient photon extraction, crucial for quantum computing and communication. Additionally, experiments have shown Rabi-oscillations, superradiant pulses, and stimulated emission from NV center spins in microwave resonators, indicating collective and strong coupling for potential superradiant maser operation. Furthermore, a scheme suggests strong coupling between a single NV center spin and the rotational mode of levitating nanoparticles, achieved through spin readout and microwave driving in an ion trap.FTIR spectroscopy and Raman spectroscopy of graphene?

FTIR spectroscopy and Raman spectroscopy are crucial techniques for characterizing graphene and its derivatives. FTIR analysis of graphene oxide (GO) films prepared using the Modified Hummers method revealed characteristic absorption bands, including a prominent OH^- band at 3429 cm^-1. Raman spectroscopy on graphene has shown distinct vibrational bands, with graphene oxide displaying additional bands like the D-band at 1344 cm^-1 and the G-band at 1597 cm^-1, indicating structural changes. Raman spectroscopy has also been utilized to study twisted bilayer graphene (TBG), revealing new peaks associated with phonons within the Brillouin zone and a giant enhancement of the G band intensity in specific conditions, shedding light on the electronic and phonon interactions in graphene heterostructures.What is the theory about feedback of communication campaign to conclude the campaign?

The theory regarding feedback in a communication campaign involves the process of decoding messages and the subsequent impact on decision-making and campaign effectiveness. Feedback plays a crucial role in influencing voters' perceptions of candidates' policies and issues, as well as in enhancing the quality and salience of the communicated messages. Effective decoding of messages, as seen in the analysis of Samsung's sport communication campaign, enables quick decision-making by consumers, showcasing the importance of feedback in campaign success. In quantum communication, feedback mechanisms are essential for determining the rate at which information is communicated, highlighting the diverse ways in which feedback can impact communication processes.Why the luminescence emission FWHM of 2D Sn based perovskite LED narrower than that of Pb based perovskite?

The narrower luminescence emission full width at half maximum (FWHM) of 2D Sn-based perovskite LEDs compared to Pb-based perovskites can be attributed to different factors. In 2D perovskites, the electron-phonon coupling is structure-dependent, with the coupling with the organic layer phonon mode playing a crucial role in emission broadening, leading to high color purity at room temperature. Additionally, defects are identified as the origin of the broadband emission in 2D Sn/Pb perovskite alloys, contributing to the narrower FWHM in Sn-based perovskites. Furthermore, the choice of spacer cation influences the defectivity and photostability of the perovskite, affecting its optical gain properties, which can lead to narrower FWHM in Sn-based perovskites. These combined factors contribute to the narrower luminescence emission FWHM observed in 2D Sn-based perovskite LEDs compared to Pb-based counterparts.RRL about Squash fries current publish?

Recent research has explored various aspects related to squash in different contexts. One study introduced a novel food product involving fried squash or pumpkin sticks with a polygonal cross-section, emphasizing the importance of specific squash varieties for processing. Another study focused on the use of rapid immunocytochemistry (R-ICC) for intraoperative diagnosis of central nervous system tumors, highlighting the significance of squash smear preparation in improving diagnostic quality. Additionally, a paper presented a multi-core reconfigurable quantum processor architecture named Requp, featuring a scalable quantum mapper called Squash for handling large-scale quantum algorithms effectively. These diverse studies showcase the versatility and applications of squash in food products, medical diagnostics, and quantum computing technologies.