Fast adiabatic mode evolution based on

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August undefined, 2024

WebWe report a 2 × 2 broadband and fabrication tolerant mode-evolution-based 3 dB coupler based on silicon-on-insulator rib waveguides. The operating principle of the coupler is based on the adiabatic evolution of local eigenmodes. ... where the device adiabaticity is uneven during evolution, we use the fast quasiadiabatic approach to homogenize ... WebThese PRSs are mainly based on two strategies: mode coupling and mode evolution. The mode-coupling scheme typically features compact device footprints but is relatively narrowband and is more sensitive to fabrication variations [24]. On the other hand, mode-evolution-based PRSs require longer devices to fulfill the adiabatic evolution

Theoretical analysis of mode evolution in an ... - ScienceDirect

WebJun 1, 2024 · Abstract: A fully numerical method for designing efficient adiabatic mode evolution structure (AMES) (referred to as NAMES) is introduced, which can be applied to adiabatic taper, coupler, splitter, mode converter, and a wide range of AMES based devices. The method can compute efficient adiabatic waveguiding shapes for these … WebIn this paper, we propose a compact mode converter based on a Y-junction structure with a fast adiabatic evolution scheme. By engineering the angle (θ) between two branches of the Y-junction, a shortcut to adiabatic passage [6] can be achieved and a compact mode evolution region is implemented. In addition, by optimizing the θ rock steady boxing open house

Polarization Independent Mode-Evolution-Based Coupler for the …

WebFeb 25, 2024 · Adiabatic quantum computation is one of the most promising candidates to realize quantum computing 14.The approach is based on the adiabatic theorem: The solution to a computational problem of ... WebMay 1, 2024 · Analyzing the mode evolution characteristics of light in a tapered multimode fiber is an important research topic for multimode fibers. In this paper, an analytical method based on coupled local mode theory is introduced, which can analyze adiabatically tapered multimode fiber with different taper parameters. rock steady boxing orange county

Fast adiabatic mode evolution based on geometry …

Compact and robust 2 × 2 fast quasi-adiabatic 3-dB couplers on …

WebJun 20, 2024 · Thermodynamics: Adiabatic Process. In physics, an adiabatic process is a thermodynamic process in which there is no heat transfer into or out of a system and is … WebYung-Jr Hung, Zhong-Ying Li, Hung-Ching Chung, Fu-Chieh Liang, Ming-Yang Jung, Tzu-Hsiang Yen and Shuo-Yen Tseng*, “Mode evolution based silicon-on-insulator 3 dB coupler using the fast quasiadiabatic dynamics,” Optics Letters: 洪勇智: 108 ottawa county deathsWebFeb 15, 2024 · The mode evolution region of the coupler is optimized by the FAQUAD protocol, achieving shortcuts to adiabatic mode evolution in a short length of 11.7 μm. … ottawa county department of human services

"Webneed-based design approaches based on perturbation the-ory and optimization of adiabaticity are introduced. We then introduce the FAQUAD approach, which homoge … " - Fast adiabatic mode evolution based on

Fast adiabatic mode evolution based on

WebMay 1, 2024 · A new degree of freedom in the design of adiabatic mode-evolution structures allows dramatic length reduction while maintaining the characteristic large … WebFeb 15, 2024 · The operating principle of the coupler is based on the adiabatic evolution of local eigenmodes. The key element of the device is an adiabatically tapered mode evolution … We report a 2×2 broadband and fabrication tolerant mode-evolution-based 3 dB coupler based on silicon-on-insulator rib waveguides.

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WebA broadband mode converter based on an asymmetric Y-junction is proposed and experimentally demonstrated. The device has a compact evolution length (<12 μm) and … WebApr 26, 2024 · Optical waveguide devices based on adiabatic mode evolution have large bandwidth and fabrication tolerances, but they have longer device lengths in general. We define a suitable adiabaticity parameter for optical waveguides and derive the formulae for engineering the adiabaticity along the waveguide. The fast quasiadiabatic dynamics …

WebA new degree of freedom in the design of adiabatic mode-evolution structures allows dramatic length reduction while maintaining the characteristic large bandwidth and … WebJan 1, 2024 · Compared with adiabatic mode evolution based devices, the FAQUAD design requires a much shorter mode evolution region in comparison with the …

WebOct 31, 2024 · Abstract. We propose a method to produce fast transitionless dynamics for finite-dimensional quantum systems without requiring additional Hamiltonian components … WebFast adiabatic mode evolution based on geometry-induced suppression of nearest-mode crosstalk Abstract: A new degree of freedom in the design of adiabatic mode-evolution structures allows dramatic length reduction while maintaining the characteristic large …

WebA short and broadband silicon asymmetric Y-junction two-mode (de)multiplexer is proposed and simulated. An adiabaticity parameter suitable for high index-contrast silicon waveguides is defined. The fast quasiadiabatic dynamics protocol is used to homogeneously distribute adiabaticity over the device length. This protocol limits the power coupled into the …

WebJul 31, 2024 · Few of the reported designs of the strip to slot waveguide mode converters are solely based on adiabatic mode evolution [11–13]. For adiabatic mode evolution based V-shaped mode converter and ultra-low loss converter , the coupling efficiency strongly depends upon the sharpness of the taper tip and hence poses challenges in … ottawa county department of job and familyWebJan 1, 2024 · This work reports a 2×2 broadband and fabrication tolerant mode-evolution-based 3 dB coupler based on silicon-on-insulator rib waveguides that uses the fast … rock steady boxing orlandoWebApr 12, 2024 · This asymmetry stems from the non-adiabatic transitions (NATs), which occur when adiabatic evolution breaks down and the system discontinuously jumps between two states 54. rock steady boxing parkinson\u0027s aaronWebIn this work, we experimentally demonstrate adiabatic evolutions with vanishing energy gaps and energy level crossings, which are allowed under a recently proven quantum adiabatic condition that is based on dynamical phases instead of energy gaps, by using a nitrogen-vacancy (NV) center in diamond.In addition, we reveal that using discrete jumps … rock steady boxing peninsulaWebJun 1, 2024 · Abstract: A fully numerical method for designing efficient adiabatic mode evolution structure (AMES) (referred to as NAMES) is introduced, which can be applied … ottawa county detention center ohioWebApr 11, 2024 · Based on the process above, we have used the dressed-state method to achieve shortcuts to adiabaticity in a non-adiabatic way and implement the fast two-atom quantum state transfer and maximum ... rock steady boxing petalumaWebFast adiabatic mode evolution based on geometry-induced suppression of nearest-mode crosstalk Abstract: A new degree of freedom in the design of adiabatic mode-evolution structures allows dramatic length reduction while maintaining the characteristic large bandwidth and insensitivity, leading to a 10x shorter ultrabroadband, low-loss 2×2 3dB ... rocksteady boxing pdf