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High Q

Nonlinear Optics in Ultra high Q Whispering Gallery Optical Microcavities

Nonlinear Optics in Ultra high Q Whispering Gallery Optical Microcavities

... Chapter 6 presents a theoretical and experimental analysis of stimulated and cas- caded Raman scattering in taper coupled micro-spheres resonators, and complements the results of chapter 4. The author investigated the ...

215

Multiple Ionization Cross Sections of Ne and CO Induced by Very High q Fast Projectiles (q/v > 1)

Multiple Ionization Cross Sections of Ne and CO Induced by Very High q Fast Projectiles (q/v > 1)

... The paper is organized as follows: the COBI model is presented in Section 2. Calculation results of the relative multiple ionization cross sections each as a function of projectile energy and projectile charge q ...

9

Fiber-coupled ultra-high-Q microresonators for nonlinear and quantum optics

Fiber-coupled ultra-high-Q microresonators for nonlinear and quantum optics

... Before the use of ultra-high-Q microresonators for photonics applications could advance, the problem of efficient excitation and extraction of optical energy from these structures needed to be solved. Most ...

163

High-Q and temperature stable photonic biosensor based on grating waveguides

High-Q and temperature stable photonic biosensor based on grating waveguides

... low Q-factor and sinusoidal variation at the output limits its usability as an effective sensing ...higher Q factor and improved limits-of-detection, but such sensors require a complex manufacturing process ...

13

High-Q Tuneable 10-GHz Bragg Resonator for Oscillator Applications

High-Q Tuneable 10-GHz Bragg Resonator for Oscillator Applications

... oscillators, high-efficiency broadband amplifiers, high-Q printed filters with low radiation loss, broadband negative group delay circuits, and ultralow phase noise compact atomic clocks using laser ...

12

Implementation of RC Oscillator with High Q Frequency Selection using CCCII

Implementation of RC Oscillator with High Q Frequency Selection using CCCII

... with high-Q frequency choosing network and implementing completely different phase oscillators by employing (CCCII+) positive and (CCCII-) negative, and high band pass filter network, the approach is ...

8

CMOS-Electromechanical Systems Microsensor Resonator with High Q-Factor at Low Voltage

CMOS-Electromechanical Systems Microsensor Resonator with High Q-Factor at Low Voltage

... factor Q >15 000 and stopband rejection of 15 dB under CMOS-compatible bias ...and high- Q SiO 2 /polysilicon structural material leads to resonator Q >15 000, a key index for ...

5

Material-Loaded High Q-Factor Slot Resonator and Measurement of Relative Permittivity

Material-Loaded High Q-Factor Slot Resonator and Measurement of Relative Permittivity

... unloaded Q-factor is 98 which is much higher than the conventional structures as well (up to 91% ...The Q-factor can be further increased by placing low loss and high permittivity material inside the ...

10

The Precise Determination of Mass through the Oscillations of a Very High Q Electromechanical System

The Precise Determination of Mass through the Oscillations of a Very High Q Electromechanical System

... The present paper is based upon the fact that if an object is part of a highly stable oscillating system, it is possible to obtain an extremely precise measure for its mass in terms of the energy trapped in the system, ...

5

High Q Fano Resonance in Terahertz Frequency Based on an Asymmetric Metamaterial Resonator

High Q Fano Resonance in Terahertz Frequency Based on an Asymmetric Metamaterial Resonator

... In this paper, we demonstrate a coplanar metamaterial structure consisted of four metallic strips. In each unit cell, three parallel strips are arranged perpendicular to the fourth one. This structure can support a ...

7

Ultra-high Q/V hybrid cavity for strong light-matter interaction

Ultra-high Q/V hybrid cavity for strong light-matter interaction

... factor Q and volume V, i.e., the Q/V ratio, being the key figure of ...a Q of 1700 and a transmission of ...a Q of 800 and a transmission of 20%, both of which remarkable achievements for a ...

10

Coupling structure for a high Q corrugated cavity as a microwave undulator

Coupling structure for a high Q corrugated cavity as a microwave undulator

... In the cavity-type microwave undulator, the Ohmic loss includes the loss from the waveguide wall and the caps at both ends. The Q factor is also determined by the coupling aperture. Once the operating frequency ...

6

High-Q microcavities: optomechanical nonlinearities, measurement techniques and applications

High-Q microcavities: optomechanical nonlinearities, measurement techniques and applications

... Optical microcavities are indispensable from numerous scientific studies and have also found applications in a vast array of technologies. Ultra-high-Q microtoroids, used throughout this thesis, belong to ...

18

Ultra high Q planar microcavities and applications

Ultra high Q planar microcavities and applications

... Ultra-high-Q (UHQ) silica microspheres have found research applications in diverse fields ranging from telecommunications to nonlinear optics to biological and chemical sensing. However, despite having ...

111

High Q microresonators as lasing elements for silicon photonics

High Q microresonators as lasing elements for silicon photonics

... these high-index-contrast photonic elements have oftentimes been offset by the high-modal overlap with the roughened ...very high-Q silicon-on-insulator (SOI) microdisks, the method is general ...

228

Reduction of Simulation Times for High-Q Structures Using the Resonance Equation

Reduction of Simulation Times for High-Q Structures Using the Resonance Equation

... The test case is based on the 201.25 MHz DTL at the Los Alamos Neutron Science Center (LANSCE). An example of such a cavity is shown in Fig. 1. Such structures utilize standing electromagnetic (EM) waves to accelerate ...

12

Integrated Ultra-High-Q Nonlinear Photonic Platform for On-Chip Optoelectronic Systems

Integrated Ultra-High-Q Nonlinear Photonic Platform for On-Chip Optoelectronic Systems

... as mode-locked comb[32, 101, 102], calibrated fiber interferometer[55, 70, 103–105], and external RF source[71, 98, 106]. One requirement is that measurement bandwidth needs to be wide enough to observe deviation of mode ...

183

Control of polarization and mode mapping of small volume high Q micropillars

Control of polarization and mode mapping of small volume high Q micropillars

... at high excitation ...at high excitation power, which displays the photonic modes, and at low power, in which the emission from single quantum dots is ...

21

High-Q nested resonator in an actively stabilized optomechanical cavity

High-Q nested resonator in an actively stabilized optomechanical cavity

... The use of a high finesse optical cavity typically requires a means to keep laser and cavity resonant. Usually, the laser frequency is continuously adjusted to keep it resonant with the cavity mode. An alternative ...

5

1 High-Precision Measurement of a Propagation Loss

1 High-Precision Measurement of a Propagation Loss

... generation in a high-Q lithium niobate microresonator fabricated by femtosecond laser. 215[r] ...

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