Whispering-gallery-mode laser
Cavity-enhanced photoacoustic sensor based on a whispering-gallery-mode diode laser
... WGM-diode laser (OEwaves, USA, OE4023- 153160-PA02-FM100) has an ultra-narrow linewidth of <200 Hz for 10 µs and good tunability in the wavelength range of 1529 to 1532 nm with an output power of 4 mW af- ter ...
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Omnidirectional whispering gallery mode lasing in GaN microdisk obtained by selective area growth on sapphire substrate
... Many efforts have been made in the past decade in the development of GaN microdisk WGM laser on Si. Choi et al. reported that stimulated emission of arrays of pivoted GaN microdisks of 20 µm diameter fabricated on ...
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Whispering Gallery Mode Resonator at Terahertz Frequency domain: A Brief Review
... Stationary approach: The most common method used to measure the Q-factors of high and ultra-high-quality WGM microresonators involves linearly scattering of the frequency of a narrow probe laser at the input of ...
The Role of Transport Phenomena in Whispering Gallery Mode Optical Biosensor Performance
... The concept of integrating an array of sensors, each with its own composition of targeting species, relies on two additional challenges being addressed. The rst is that a multiplexed sensor must be fabricated, which has ...
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Enhanced coupling of electronic and photonic states in a microcavity quantum dot system
... a whispering-gallery mode peak ...HeNe laser at ...HeNe laser (anti-Stokes region) is exceptionally high in this ...WGM mode structure can be induced by a change of these ...The ...
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On chip light detection using monolithically integrated quantum dot micropillars
... laterally-propagating whispering gallery modes (WGMs) [17, ...coupled laser-detector pairs is highly desirable as it allows for the realization of such opto-electronic feedback ensembles on a single ...
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High-Q microcavities: optomechanical nonlinearities, measurement techniques and applications
... input laser is scanned towards lower frequencies and the CDEA curve shows its response in the reverse ...a whispering gallery mode in a toroid microcavity as a function of coupled power to the ...
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Whispering Gallery Mode Emission from a Composite System of CdTe Nanocrystals and a Spherical Microcavity
... of laser operation in this spectral region, we studied PL spectra of a single MF microsphere covered by a shell of NCs (average size of ...any mode narrowing in the spectral response with the NC layer ...
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Electrically tunable single photon source triggered by a monolithically integrated quantum dot microlaser
... m-diameter whispering-gallery-mode (WGM) quantum dot (QD) microlaser monolithically integrated next to a 2 µ m-diameter single-photon-source (SPS) ...pillar mode (FPM) and emits single photons ...
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Schließer, Albert (2009): Cavity Optomechanics and Optical Frequency Comb Generation with Silica Whispering-Gallery-Mode Microresonators. Dissertation, LMU München: Fakultät für Physik
... diode laser: its convenient, wide-range, and fast ...(Ti:S) laser (Matisse TX, Sirah Lasertechnik), which com- bines very wide tunability (750 to 870 nm) with high output power (> ...The laser is ...
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Nonlinear Optics in Ultra high Q Whispering Gallery Optical Microcavities
... azimuthal mode spectrum, make toroid microcavities a promising candidate for nonlinear optical ...Raman laser on a chip ...single mode over a large range of pump powers, which was not attainable in ...
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Photonic Whispering-Gallery Resonators in New Environments
... a laser cavity and shows that, in principle, such surface-plasmonic lasing devices are ...the mode overlap and phase matching between the cavity and fiber ...dielectric whispering-gallery ...
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Crystalline Whispering Gallery Mode Resonators for Quantum and Nonlinear Optics
... Raman laser possible. The recently demonstrated [95] integrated Raman laser based on a fused silica microsphere has a lasing threshold on the order of 100 µW, owing mostly to high intracavity intensity ...
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Physical Investigations of Small Particles: (I) Aerosol Particle Charging and Flux Enhancement and (II) Whispering Gallery Mode Sensing
... single mode is populated in the WGM res- ...the mode prole for axisymmetric systems using COMSOL multiphysics, the same nite element solver that we employ ...the mode in a toroid was derived using ...
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Active chiral control of GHz acoustic whispering gallery modes
... surface-acoustic whispering-gallery modes in the gigahertz range on a microscopic disk by means of an ultrafast time-domain technique incorporating a spatial light ...azimuthal mode order, both ...
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Active chiral control of GHz acoustic whispering gallery modes
... upper and lower edges of this triangle. For the point source, the symmetry between ` > 0 and ` < 0 is clear in Fig. 2(e), whereas for the arc sources different Fourier amplitudes for counter-propagating waves are ...
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Mechanism of enhanced light output in InGaN-based microlight emitting diodes
... The Raman spectroscopy measurements were carried out at room temperature using the 514 nm line of an Ar ⫹ laser as an excitation source focused to a spot size of ⬃ 1 m. The scattered light was detected in the ...
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Toward Automatic Label Free Whispering Gallery Modes Biodetection with a Quantum Dot Coated Microsphere Population
... The results obtained for a polydisperse population of free floating fluorescent microspheres show that it is indeed possible to determine at the same time the microsphere size and its surrounding refractive index when ...
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Tracings a photographic investigation into being in the land
... digital work test set-up on gallery wall, laser prints on reflex paper, various sizes, 2003 53.[r] ...
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Elite Delights: The Structure of Art Gallery Networks in India
... a gallery or another commercial organization; they involve a buyer and a seller only, who usually already know each other’s names (they are part of a “milieu,” an interpersonal network), or sometimes an ...
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