As bandwidth requirements and integration of photonic components in computing systems increase, the optical microring resonator are becoming an important building block for dense, highbandwidth interconnects. We show that geometrical and scalar approaches are not sufficiently accurate for calculating resonator parameters. In the last decade, most research effort in the area of microoptical gyros has been concentrated on a configuration that takes advantage of a singlemode passive ring resonator, which is usually fabricated using integrated optical technologies. Dissipative kerr solitons dkss in the highq microresonator corresponds to selforganized short pulse in time domain via double balance between dispersion and kerr nonlinearity, as well as cavity loss and parametric gain. A computersimulated ring resonator depicting continuous wave input at resonance.
In this paper, we propose and analyze a coupledringresonatorbased modulator, in which. Silicon microring modulator modeling yonsei university. The huge dispersion leads to narrowing of the spectral linewidth of the resonator. Among the existing techniques to perform the detection, many require the use of labels due to the lack of sensitivity to detect analytes at low concentrations. Many theoretical designs have been proposed to optimize the filter response and other properties. Micro ring resonators have been widely employed, in recent years, as wavelength filters, switches and frequency converters in optical communication circuits, but can also be successfully used as transducing elements in optical sensing and biosensing. An alloptical logic shifter circuit with the help of gaasalgaas based microring resonator is proposed and described. Pdf design of micro loop ring resonator tunable filter.
Metallic nanoparticle on micro ring resonator for bio. For the au nanoparticle, because it has smaller real refractive index than air and large absorption refractive index, we found that there is a blue shift for the ring resonance. The term ring resonator is typically used to indicate any looped resonator, but in the. A micro ring resonator includes a bus optical waveguide and a circular optical waveguide positioned adjacent to the bus optical waveguide so as to provide evanescent coupling of light between the waveguides. An optical ring resonator is a set of waveguides in which at least one is a closed loop coupled to some sort of light input and output. Micro resonator cavitycoupling to a rectangular wg cavity 1the penetration depth h is tunable for impedance adjustment. Coupledringresonator structures composed of a sequence of microresonators coupled to an optical waveguide have been reported 8, 9. Several generic resonator geometries, namely fabry. This work describes the polarization study in the optical micro ring resonator systems. Unlimited viewing of the articlechapter pdf and any associated supplements and figures. We propose and experimentally demonstrate the enhancement in the filtering quality q factor of an integrated micro ring resonator mrr by embedding it in an integrated fabryperot fp cavity formed by cascaded sagnac loop reflectors. In the former case this leads to twoport devices, which act as allpass filters and introduce a wavelengthdependent. Micro ring resonator 1 introduction microring resonators are versatile wavelengthselective elements that can be used to synthesize a wide class of filter functions 1 and 2. In this paper, we first experimentally demonstrate deterministic generation and switching of dkss in a thermally controlled micro ring resonator based on highindex doped.
Passive ring resonator microoptical gyroscopes iopscience. Jul 12, 2017 modelling and simulation of a thermally induced optical transparency in a dual micro ring resonator abstract the geometric configuration of the resonators, and the implementation of a simulated broadband excitation source, results in the realization of optical transparencies in the combined through port output spectrum. Design of microring resonatorbased alloptical logic shifter. Pdf design and fabrication of soi microring resonators based on. We have numerically investigated the unique effects of metallic nanoparticle on the ring resonator, especially multiple au nanoparticles on the micro ring resonator with the 4port configuration on chip. Micro ring resonator figure 16 shows the simulated dropped signals from the terminal 2 of the constructed ring resonator for both te and tm polarizations. The microstrip ring resonator has found three main uses. In this paper, we demonstrated athermal microring resonator.
As a narrowband antenna, possibly operating at a higher mode where the bandwidth is wider and somewhat more useful 3. Allpass ring resonators in its simplest form a ring resonator can be constructed by feeding one output of a directional coupler back into its input, the socalled allpass. Microring resonator quality factor enhancement via an. Pdf 3d simulation of silicon microring resonator with. Defect modes in microring resonator arrays article pdf available in optics express 20. Numerical analysis of perforated microring resonator based. We used ormocore photoresist for fabricating a micro ring resonator due to its very low losses at wavelengths 1550 nm and 0 nm and also used a tapered fiber to couple light into the bus. Pdf 3d simulation of silicon microring resonator with comsol. The aim of biofos is to develop a simple, fast, lowcost, sensitive, portable and reliable, screening tool for insitu detection of food contaminations. Metallic nanoparticle on micro ring resonator for bio optical. Their purpose is to produce the desired magnetic susceptibility magnetic response in various types of metamaterials up to 200 terahertz. Transmission performance of one waveguide and double microring resonator using 3. The use of polymeric materials for micro ring resonator structures recently has gained major interests due to many.
Sep 01, 2010 the two bus waveguides are evanescently coupled to the micro ring resonator, with the coupling gap 100nm. A coupled resonatorinduced transparency crit may be introduced into the output spectrum of a microring resonator by generating contrarotating modes within the microring resonator. When the shape is elongated with a straight section along one direction typically along the coupling section the term racetrack resonator is also used. Design of microring resonator based alloptical parity. The remaining light in the bus waveguide is then fed into a photodiode, which is used to monitor the tuning of all rings.
The two bus waveguides are evanescently coupled to the micro ring resonator, with the coupling gap 100nm. An energyefficient silicon microring resonatorbased. A transparent broadband ultrasonic detector based on an optical microring resonator for photoacoustic microscopy. A splitring resonator srr is an artificially produced structure common to metamaterials. Highly dispersive microring resonator based on one. Brimont, a, fy gardes, p sanchis, d marrismorini, pieter dumon, jm fedeli, l ofaolain, et al. These can be, but are not limited to being, waveguides. In this paper we provide 3d fullvector static electromagnetic simulation of silicon microring resonator operating. For example, to maintain an acceptable radiation loss due to waveguide bending, is typically designed larger than 20 for micro ring resonators fabricated on the soi platform 36 and even larger. When the wavelength of operation approaches the bandgap of the periodic structure, the modal dispersion is significantly increased. 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. Rib waveguidebased athermal microring resonator springerlink.
The dimensions of the ring wg and bus wg can vary based on symmetric or asymmetric coupling. In this paper, we propose and analyze a coupled ring resonator based modulator, in which. By utilizing coherent interference within the fp cavity to reshape the transmission spectrum of the mrr, both the q factor and the extinction ratio. The theory of coupled atomic resonant systems using coherent optical media has been presented and similarities can be seen between micro. Silicon ring resonator adddrop multiplexers semantic scholar. 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. Wo20177977a1 modulator using a microring resonator. For the au nanoparticle, because it has smaller real refractive index than air and large absorption refractive index, we found that there is a blue shift for the ring resonance wavelength. We numerically analyzed the temperature sensitivity of soi rib waveguide microring resonators for different waveguide dimensions with over laying of negative thermooptic coefficient toc polymer materials. Figure 2 shows a typical transmission spectrum of a microring resonator black line.
Silicon microring resonators photonics research group. The performance of the device is analyzed theoretically and a 12. Previously, these structures are used for slow light or nonlinear optics. In this work perforated microring resonator based refractive index sensor is. Our analytical solution of transmittance is suitable for either linearly distributed coupler or circularly symmetric distributed coupler. In this work perforated microring resonator based refractive index sensor is presented. This device has been constructed by laser beam direct write lithography technique lbl. Perot resonators, circular gratings as well as microring resonators, are discussed and their particular.
A microring resonator includes a bus optical waveguide and a circular optical waveguide positioned adjacent to the bus optical waveguide so as to provide evanescent coupling of light between the waveguides. The concepts behind optical ring resonators are the same as those behind whispering galleries except that they use light and obey the properties behind constructive interference and total internal. This basic cell can roughly be divided into three building blocks. Mar 28, 2014 a transparent broadband ultrasonic detector based on an optical microring resonator for photoacoustic microscopy.
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. The transmission of each branch could be measured independently. 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. The cladding of the circular optical waveguide comprises an electrooptic polymer with an index of refraction that can be changed through application of an electric.
By utilizing coherent interference within the fp cavity to reshape the transmission spectrum of the mrr, both the q factor and the extinction ratio er can. The alloptical analogue to electromagnetic inducted transparency. Numerical analysis of perforated microring resonator based refractive index sensor m. The simulation results show that an athermal ring resonator can be achieved by a narrow width waveguide structure of a certain. Design of a microring resonator electrooptical modulator. 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. 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. The fundamental building blocks of microringbased devices are a micro ring plus one or two waveguides. A micro ring modulator 10 comprises a micro ring resonator 12 having a light confining closed loop structure, for example a ring, racetrack or disk structure, of which the ring structure is shown in fig. In the last decade, most research effort in the area of micro optical gyros has been concentrated on a configuration that takes advantage of a singlemode passive ring resonator, which is usually fabricated using integrated optical technologies. The microringresonator mrr consists of unidirectional coupling between a ring resonator and inputoutput waveguides. New microring resonator creates quantum entanglement on a. The basic configuration of microring resonator mrr consisting of two straight bus waveguides coupled to a microring cavity in between is described in fig. The au nanoparticle was placed at the outside edge of the micro ring resonator.
Automated tuning and channel selection for cascaded micro. The microstrip ring resonator for characterising microwave. In the former case this leads to twoport devices, which. Molecularly imprinted solgel for tnt detection with. Tunable slow and fast light in a magnetooptic microring. By proposing a microloop ring resonator built on photonic crystal fiber pcf, we presented an analysis of a tunable optical filter by considering steady state response of the resonator with a loop length of about 628 mum. We quantify the power and bandwidth variations with the applied magnetic field and locate a broadening bandwidth area in the fastlight region. We show theoretically that the characteristic low dispersion enables phasematching over a tuning range. These media create the necessary strong magnetic coupling to an applied electromagnetic field, not otherwise available in conventional materials. 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. A fraction k 1 coupling coefficient between input wave guide and the ring of the incoming field is transferred to the ring having radius r as shown in fig. 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.
We numerically analyzed the temperature sensitivity of soi rib waveguide micro ring resonators for different waveguide dimensions with over laying of negative thermooptic coefficient toc polymer materials. Each ring taps a single wavelength from a bus waveguide. Java how to design login and register form in java netbeans duration. Quite strong dependence of ring resonator radius on waveguide width is revealed. In european conference on integrated optics, 14th, proceedings, ed. Design and fabrication of a polymer micro ring resonator. Optical micro ring resonator based sensor can sense using a label free technology. The procedure comprises obtaining the digital signal, mapping the. Coupled ring resonator structures composed of a sequence of micro resonators coupled to an optical waveguide have been reported 8, 9. Low power four wave mixing in an integrated, microring. This paper presents silicon ring resonatorbased photonic transmitter prototypes that address the limited intrinsic bandwidth of carrierinjection. A study on refractive index sensors based on optical micro.
In this paper we provide 3d fullvector static electromagnetic simulation of silicon micro ring resonator operating. This waveguide was split into 4 parallel branches with microrings. In this article, we describe our work on design and fabrication of a polymer micro ring resonator. An optical signal is modulated by a digital signal using the resonator.
May 30, 2011 simulation with awcm full grid method. A microring 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. In this paper, we first experimentally demonstrate deterministic generation and switching of dkss in a thermally controlled microring resonator based on high. Osa low power four wave mixing in an integrated, microring. A record high conversion efficiency for this kind of device is achieved over a bandwidth of 20nm. We show a scheme for achieving highspeed operation for carrierinjection based silicon electrooptical modulator, which is optimized for small size and high modulation depth. Dissipative kerr solitons dkss in the highq micro resonator corresponds to selforganized short pulse in time domain via double balance between dispersion and kerr nonlinearity, as well as cavity loss and parametric gain. Silicon microring resonatorbased alloptical digitalto. Also, it should be mentioned at this point that microring resonators have a very small cou pling region which is undesirable since the coupling of light into the ring.
Optical microring resonator based corrosion sensing. Coupledringresonatorbased silicon modulator for enhanced. The term ring resonator is typically used to indicate any looped resonator, but in the narrow sense it is a circular ring. Biofos microring resonatorbased biophotonic system for. A sensitive optical micromachined ultrasound sensor omus based on a silicon photonic ring resonator on an acoustical membrane. Department of electrical and electronic engineering.
Pdf labelfree biosensing by means of optical microring. Mar 18, 2015 in this paper, we demonstrated athermal micro ring resonator. Design of a microring resonator electrooptical modulator embedded in a reverse biased pn junction. Modelling and simulation of a thermally induced optical. Degtyarev and others published 3d simulation of silicon microring resonator with comsol find, read and cite all the research you need on researchgate. A transparent broadband ultrasonic detector based on an.
Chapter 6 microwave resonatorschapter 6 microwave resonators. Two basic configurations of an optical micro ring resonator. Polymerbased microring resonator with the multimode. Transmission performance of one waveguide and double micro. The concepts behind optical ring resonators are the same as those. Aug 15, 20 the micro ring resonator mrr consists of unidirectional coupling between a ring resonator and inputoutput waveguides. 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. The design of the microring resonator array chip consisted of a waveguide connected to a fibercoupled coherent light source.
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. Jan 31, 2020 in this work, we use four cascaded micro rings implemented in a silicon photonic device operating in the cband. As a resonator with several well defined resonant frequencies for the purposes of measuring microstrip properties 2. The simulation results show that an athermal ring resonator can be achieved by a. In this book, recent application of micro ring resonators reported. Polarization dependence of su8 micro ring resonator sciencedirect. Deterministic generation and switching of dissipative kerr. Each resonator has a light confining closed loop structure, such as a ring structure, and two, three or more electrodes associated with the lightconfining structure, and may be a microresonator. Design and simulation of a low loss soi optical microring.
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