Results 1 to 10 of about 1,051 (113)
Determination of Enantiomeric Excess by Optofluidic Microlaser near Exceptional Point [PDF]
Advanced ScienceEnantiomeric excess (ee) is an essential indicator of chiral drug purification in the pharmaceutical industry. However, to date the ee determination of unknown concentration enantiomers generally involves two separate techniques for chirality and ...
Yinzhou Yan, Zhixiang Zhou, Tianrui Zhai
exaly +3 more sources
Deformable microlaser force sensing [PDF]
Light: Science & ApplicationsMechanical forces are key regulators of cellular behavior and function, affecting many fundamental biological processes such as cell migration, embryogenesis, immunological responses, and pathological states.
Eleni Dalaka +6 more
doaj +2 more sources
Visible Brillouin-quadratic microlaser in a high-Q thin-film lithium niobate microdisk [PDF]
Nature CommunicationsNarrow-linewidth lasers at short/visible wavelengths are crucial for quantum and atomic applications. However, such lasers are often accessible in bulky tabletop systems and remain scarce in on-chip photonic platforms.
Xiaochao Luo +10 more
doaj +2 more sources
“Amplified Spontaneous Emission” in Micro- and Nanolasers
Atoms, 2021 Amplified Spontaneous Emission is ubiquitous in systems with optical gain and is responsible for many opportunities and shortcomings. Its role in the progression from the simplest form of thermal radiation (single emitter spontaneous emission) all the ...
Gian Luca Lippi
doaj +1 more source
Modal Properties of Photonic Crystal Cavities and Applications to Lasers
Nanomaterials, 2021 Photonic crystal cavities enable strong light–matter interactions, with numerous applications, such as ultra-small and energy-efficient semiconductor lasers, enhanced nonlinearities and single-photon sources.
Marco Saldutti +5 more
doaj +1 more source
Numerical analysis of a single-mode microring resonator on a YAG-on-insulator
Open Physics, 2021 A numerical analysis of a compact microring resonator that was defined on a yttrium-aluminum-garnet (YAG) thin film bonded on top of a SiO2 cladding layer and operated at the wavelengths of approximately 1.064 and 1.6 μm was performed.
Lu Shijia +8 more
doaj +1 more source
High-Sensitivity Detection of Changes in Local Refractive Index and Absorption by Analyzing WGM Microlaser Emission via a 2D Dispersion Spectrometer [PDF]
ACS PhotonicsGiuliano Scarcelli +2 more
exaly +2 more sources
Sensors, 2022 The laser is considered one of the greatest inventions of the 20th century. Biolasers employ high signal-to-noise ratio lasing emission rather than regular fluorescence as the sensing signal, directional out-coupling of lasing and excellent ...
Hongrui Shan, Hailang Dai, Xianfeng Chen
doaj +1 more source
Infrared tunable 5%MgO:PPLN OPO pumped by a 1-kHz sub-nanosecond microchip laser [PDF]
EPJ Web of Conferences, 2023 We built and studied a singly resonant optical parametric oscillator using a 5%MgO:PPLN partial cylinder pumped by a sub-nanosecond microlaser emitting 1064 nm at a repetition rate of 1kHz.
Bruneteau Baptiste +7 more
doaj +1 more source
On-Demand Waveguide-Integrated Microlaser-on-Silicon
Applied Sciences, 2023 The integration of high-quality III–V light sources on the Si platform has encountered a challenge that demands a highly precise on-demand addressability of single devices in a significantly reduced integration area.
Byung-Ju Min, Yeon-Ji Kim, You-Shin No
doaj +1 more source