We demonstrate efficient, low power, continuouswave fourwave mixing in the cband, using a high index doped silica glass micro ring resonator having a qfactor of 1. The silicon waveguides forming the structure have a width. Micro ring resonator based biophotonic system for food analysis biofos is a specifictarget research program strep cofunded by the european commission under the 7 th framework programme. Previously, these structures are used for slow light or nonlinear optics. They may be arranged in series as shown on the right or in parallel. Conclusion the control of coupling between optical resonators and waveguides opens up new possibilities of modulating and switching light. Ringresonator theory for the sake of further understanding, consider the typical abstract setting of a horizontally coupled circular microresonator as sketched in figure 1. Reconfigurable frequencyselective resonance splitting in. In this paper, we demonstrate a novel dualpump approach to generate robust optical frequency comb with varying free spectral range fsr spacing.
Mode splitting in microring and fiber ring resonators has been used for optical labelfree biosensing, nanoparticle detection, and strain sensing. A generic ring resonator consists of an optical waveguide which is looped back on itself, such that a resonance occurs when the optical path length of the resonator is exactly a whole number of. Microring resonatorbased optical corrosion sensing 2. H is a promising platform for high quality photonic devices.
Our microring resonators achieve an fsr greater than 5 nm for ring radius of. Cascaded multiple microring resonators as optical bandpass filter. Publishers pdf, also known as version of record includes final page. In this paper, a compact antenna based on split ring resonator with a simple feeding technique, was designed, fabricated, and measured. Integrated polymer microring resonators for optical. Microring resonators are critical photonic components used in filtering, sensing and nonlinear.
I am having difficulties learning the software as there is no proper source. This paper presents the preliminary work to demonstrate the feasibility of a miniature resonator based magnetometer. An integrated microring resonator is a set of small waveguides in which one. Fabrication and characterization of high q polymer microring. Nested silicon microring resonator with multiple coupling. Microring resonatorbased biophotonic system for food analysis biofos is a specifictarget research program strep cofunded by the european commission under the 7 th framework programme. Critical coupling and its control in optical waveguidering. In the case of a ring resonator with cm, m, we obtain from 12 and hz.
Microstrip ring resonators can be applied in microwave filters and oscillators as well as in their. Optical microring resonator based corrosion sensing. The input light is split into the four ring resonators using directional couplers with a gap of 600 nm. The figure of merit of this compact depletion modulator is estimated to be lp. It is a four port microring resonator with radius 5. H and singlecrystalline soi of the same lateral and vertical geometry during the same process. This paper presents silicon ring resonatorbased photonic transmitter prototypes that address the limited intrinsic bandwidth of carrierinjection. Two basic configurations of an optical micro ring resonator. Optical filter that utilizes silicon microring resonator mrr has been proposed as a solution in order to provide highbandwidth, low power consumption and small size. Ring resonator with porcelain material in the gap 31 figure 3. It is also well known that under certain circumstances, a microstrip ring circuit can act as a narrowband antenna. An energyefficient silicon microring resonatorbased. The microring resonator as name suggests is a device consists of ring structure in micrometer dimension which in resonant condition performs various optical signal processing functions in.
Design of a micro resonator array comsol multiphysics. Alloptical logic based on silicon microring resonators. Jan 17, 2011 to significantly improve the resonators q factor, we show a new fabrication process in this paper that includes two important steps to reduce the sidewall roughness of the silicon mold for imprinting the microring devices. Design of microring resonatorbased alloptical logic shifter. Pdf microring and microdisk resonators are used in photonic circuits to perform filter functions, serve as band limited mirrors in lasers, compensate. Microring resonators mr represent a class of filters with characteristics very similar to those.
Ring resonator method for dielectric permittivity measurement of foams by isaac waldron a thesis submitted to the faculty of the worcester polytechnic institute in partial fulfillment of the requirements for the degree of master of science in electrical and computer engineering may 3rd, 2006 approved by. Gapcoupling to acoupling to a probe coupling to micro resonator cavity coupling to a rectangular wg cavity 1the penetration depth h is tunable for impedance adjustment. Extracting losses from asymmetric resonances in microring. Microring resonator theory a microring resonator is an optical component to con ne light bytotal internal re ectiontir, whichcan be createdby micro nano fabrication techniques. Highqualityfactor microring resonator in amorphoussilicon.
A reverse bias of 10v is applied to the junction and shows the possibility to achieve a high modulation depth. Direct optical frequency comb spectroscopy dfcs is proving to be a fundamental tool in many areas of science and technology thanks to its unique performance in terms of ultrabroadband, high. Jun 24, 2016 in this paper, we demonstrate a novel dualpump approach to generate robust optical frequency comb with varying free spectral range fsr spacing in a cmoscompatible highq micro ring resonator. Osa low power four wave mixing in an integrated, microring. Introduction silicon microring resonators mrrs are promising building blocks for future photonic integrated circuits. Osa design and fabrication of soi microring resonators. Optical ring resonator as a biological sensing platform. On may 1, 2000 conducting wires were placed symmetrically within each cell of a periodic split ring resonator array which achieved negative propagation of electromagnetic waves in the microwave region. Present work shows the design and implementation of dflip flop and a twobit optical counter using optical micro ring resonator omrr. Keywords microring resonator, multiple coupling regimes i. Silicon microring resonators photonics research group.
Design and modeling of waveguidecoupled singlemode microring resonators m. Chapter 6 microwave resonatorschapter 6 microwave resonators. The device used in the experiment consists of a silicon microring resonator coupled to a straight waveguide, as shown in fig. Coupled ring resonator structures composed of a sequence of micro resonators coupled to an optical waveguide have been reported 8, 9. Scanning microresonator directcomb absolute spectroscopy. An alloptical logic shifter circuit with the help of gaasalgaas based microring resonator is proposed and described. Optical filter that utilizes silicon micro ring resonator mrr has been proposed as a solution in order to provide highbandwidth, low power consumption and small size. To significantly improve the resonators q factor, we show a new fabrication process in this paper that includes two important steps to reduce the sidewall roughness of the silicon mold for imprinting the microring devices. This magnetometer consists of a thin film of ferromagnetic material sputtered on a cantilever with a magnetic moment aligned along the length of the cantilever. For a typical single mrr consisting of a microring side coupled to a straight waveguide, there could be three coupling regimes. Microring resonator based optical corrosion sensing 2. As the resonator vibrates under a magnetic field, the magnetostatic interaction induces a moment on the. The concept was and still is used to build interacting elements smaller than the applied electromagnetic radiation. The micro ring resonator as name suggests is a device consists of ring structure in micro meter dimension which in resonant condition performs various optical signal processing functions in.
The aim of biofos is to develop a simple, fast, lowcost, sensitive, portable and reliable, screening tool for insitu detection of food contaminations. This book fills the need for a cohesive and comprehensive treatment of the subject, given its importance and the proliferation of new research in the field. In this paper, the design of a microring resonator electrooptical modulator using a pn junction embedded in a rib waveguide is reported. Java how to design login and register form in java netbeans duration. Feb, 2010 micro ring resonator simulation with awcm duration. Of the resonator is exactly a whole number of wavelengths. Low power four wave mixing in an integrated, microring.
In a double ring resonator, two ring waveguides are used instead of one. In this book, recent application of micro ring resonators reported. May 30, 2011 simulation with awcm full grid method. Carbohydrate binding studies are well suited to ring resonator based interrogation based on both the diversity of binding partners and wide range of binding affinities. On the other hand, a microring resonator consisting of a ring plus two. On may 1, 2000 conducting wires were placed symmetrically within each cell of a periodic splitring resonator array which achieved negative propagation of electromagnetic waves in the microwave region. A study on refractive index sensors based on optical micro. The microstrip ring resonator for characterising microwave. Silicon microring resonatorbased alloptical digitalto. Nonlinear effects in soi microring resonators 197 ei1 et1 t ei2 et2 k k t. As the resonator vibrates under a magnetic field, the magnetostatic interaction induces a moment on the cantilever.
In this paper, we propose and analyze a coupled ring resonator based modulator, in which. Ring resonator based integrated photonic circuits technische. Design of an energyefficient silicon microring resonator. Mrr is the promising basic element of future optical integrated circuits due to its various applications such as wavelength filter, modulator and sensor. Mathematical background the simplest configuration of a microring resonator consists of a unidirectional coupling between a waveguide and a ring resonator, as we can see in fig. New microring resonator creates quantum entanglement on a. Ring resonators play an important role in the success of silicon photonics, because silicon enables ring resonators of an unprecedented small size. The gap and coupling length between the bus waveguide and the resonator are 600 nm and 35. H ring resonator is at least comparable to that of the singlecrystalline ring and. When using two ring waveguides in series, the output of the double ring resonator will be in the same direction as the input albeit with a lateral shift. A record high conversion efficiency for this kind of device is achieved over a bandwidth of 20nm. Coupledringresonator structures composed of a sequence of microresonators coupled to an optical waveguide have been reported 8, 9.
Tunable large free spectral range microring resonators in lithium. Coupledringresonatorbased silicon modulator for enhanced. Design of a microring resonator electrooptical modulator. Splitring resonator arrays for electromagnetic energy.
Figure 1 shows a ring resonator that was the basis of the integrated optical parametric oscillator. Splitring resonator arrays for electromagnetic energy harvesting thamer s. Two basic configurations of an optical microring resonator. The field of microring resonator research has seen tremendous growth over the past decade, with microring resonators now becoming a ubiquitous element in integrated photonics technology. Design of singly split single ring resonator for measurement. Ring resonator based bio sensors using microcantilever. In this paper, the design of a micro ring resonator electrooptical modulator using a pn junction embedded in a rib waveguide is reported. Ramahi abstractby virtue of their ability to resonate at a wavelength much larger than the maximum dimension, splitring resonator srr cells can be densely stacked to create energy harvesting arrays. Here we will using micro ring resonates as a setup of proposed system and we will generate required pulse using optical soliton and gaussian pulse as input pulse. Can someone please provide a step by step approach on how to use comsol 4 for the mems module and even please mention if i can use comsol to draw the design also.
Jan 28, 2015 a micro ring or optical ring resonator is a device that essentially uses the same principles as those found in whispering galleries, except that instead of sound, they use light. Numerical study of integrated micro ring resonator by dachuan. Here we will using micro ring resonates as a setup of proposed system and we will generate required pulse using optical soliton and. Biofos microring resonatorbased biophotonic system for. Mrr is the promising basic element of future optical integrated circuits due to its various applications. It is fabricated on soi substrate using ebeam lithography, plasma dry etching, and plasma enhanced chemical vapor deposition pecvd for the sio 2 cladding deposition. Design and modeling of waveguidecoupled singlemode. We obtain band diagrams for a twodimensional periodic structure consisting of. Sensitivity and limit of detection of biosensors based on. The proposed antenna consists of two split ring resonators printed symmetrically on both sides of the dielectric substrate and excited by a 50 microstrip line.
The edge coupled microstrip ring resonator is commonly used to determine microwave substrate properties, in particular the dielectric constant and loss tangent. Laser beams and resonators, taking into account the wave nature of the beams but. Microwave and rf applications for microresonator based. The field amplitudes are denoted by e i incident and e t transmitted. Silicon microring modulator modeling yonsei university. A microring or optical ring resonator is a device that essentially uses the same principles as those found in whispering galleries, except that. Each resonator mode is naturally 2fold degenerate, as the clockwise cw and counterclockwise ccw propagating modes share a common resonance frequency. Dualpump kerr microcavity optical frequency comb with.
Hello everyone, i am an msc student and my project is to design a capactive comb drive in cadence and the simulation part is in comsol. Several exciting studies have coupled high density inkjet functionalization and novel linker chemistries to create robust carbohydrate arrays for glycomics applications. An optical ring resonator usually consists of a straight waveguide coupled to a circular one, as shown in figure 1a, or two straight waveguides coupled through a circular one, as shown in figure 1b. Splitring resonator arrays for electromagnetic energy harvesting. Microwave ring circuits and related structures pdf, microwave ring circuits and related structures pdf, microwave ring circuits and related structures pdf t. Carbohydrate binding studies are well suited to ring resonatorbased interrogation based on both the diversity of binding partners and wide range of binding affinities. In the present paper the advantages of ring resonator based switch have been exploited to design an integrated alloptical circuit which can perform the logical operations left shift, right shift, circular left shift and. Two straight waveguides are evanescently coupled to the cavity.
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