Thermo optic switch pdf

We demonstrated a pmmabased thermooptic switch consisting of a machzehnder mz type waveguide drawn by proton beam writing pbw and working at. This device was fabricated on silicononinsulator soi platform. The mz waveguide was drawn by symmetrically coupling two y junctions with a core width of 8. Wideband siliconphotonic thermooptic switch in a wavelength. Osa submilliwatt thermooptic switches using freestanding.

Pdf polymerbased thermooptic switch for optical true time. The described work is study and design of multimode interference based thermooptic switch using silicon on insulator soi technology. In the bottom layer, two series of waveguides intersect each other at an angle of around. Demonstration of thermooptic switch consisting of mach. The coupling coefficient for directional couplers is difficult to calculate accurately, because it is affected by the coupling between the bent.

The study on reliability of multilayer structure of thermo optic switch under thermal mechanical coupling effect is the basic research subject in modern microoptoelectronics. Bpm method, the result showed that the power consumption of the thermo. Polymer is the most attractive material to fabricate thermooptic switches for its high thermooptic coecient. Highperformance grapheneintegrated thermooptic switch.

A low power machzehnder interferometer thermooptic switch using freestanding silicononinsulator strip. Photonic crystal waveguides pcws were used to replace conventional channel waveguides in the phase shifters of a machzehnder interferometer mzi. The optical switch can be used to complete or break an optical path. Thermooptic characterization of silicon nitride resonators. E cient, compact and low loss thermooptic phase shifter in. This thesis is significantly devoted towards the design and simulation work of optical switch based on 2. Masters thesis, universiti teknologi malaysia, faculty of electrical engineering. Pdf the described work is study and design of multimode interference based thermooptic switch using silicon on insulator soi technology.

This provides an effective means to reduce the power. The main focus of this work is to analysis of thermooptical. Such a design permits the waveguide length to be extended for increased phase shift, without the need for increased heated volume. The switching operation is achieved through thermooptic effect. A low power machzehnder interferometer thermo optic switch using freestanding silicononinsulator strip waveguides is demonstrated. With the increase of temperature, the wax expands inside the thermoelement, causing the displacement of the stainless steel pin, compressing the spring and opening the valve, which allows the passage of the liquid to the radiator.

Benzocyclobutene polymer in glass multimode interference. Thermo optic switch will send light down a wave guard. This makes them suitable for making digital optical switches where large refractiveindex change is required. Twodimensional design and analysis of trenchcoupler based silicon machzehnder thermooptic switch opt.

Then the light is recombined and the path lengths of the lights are measured. The main focus of this work is to analysis of thermo optical. The biomate 160 spectrophotometer offers preprogrammed assay methods for nucleic acid and protein concentration as well as cell culture m. In the experiments, an extinction ratio about 25 db at the wavelength of 1590 nm is obtained. Thermooptic switch how is thermooptic switch abbreviated. Thermooptic switching archives fiber cabling solution. Extremelylowpowerconsumption thermooptic switch with siliconsilica hybrid. Polymer is the most attractive material to fabricate thermo optic switches for its high thermo optic coecient. Thermooptic effect can be expressed by the empirical formula below 15. Reconfigurable thermooptic polymer switch based true time. The optomechanical switch may be regarded as the oldest type of optical switches.

Oct 29, 2014 in addition, thermo optic switch, electro optic switch and acousto optic optical switch are also used in some specific applications. A scheme to achieve rolltoroll fabrication of reconfigurable thermooptic polymer switch truetimedelay lines using compatible printing techniques for phased array antenna application is shown in this work. Based on these designs and simulations, hybrid polymersilica thermooptic 1. Printable thermooptic polymer switches utilizing imprinting. Alloptical control of light on a grapheneonsilicon nitride. Compact sibased asymmetric mzi waveguide on soi as a thermo. Therefore, we studied photoniccrystal phc slabbased thermo optic switches, whose size could be drastically re. They are robust, enjoy longterm stability and their.

Printable thermo optic polymer switches utilizing imprinting and inkjet printing xiaohui lin,1,4 tao ling,2,4 harish subbaraman,3 l. If a switching command is issued, one of the wave guard arms is heated and the light within the wave guard will change its optical path length. Photosensitive benzocyclobutene bcb 402440 polymer based coupler material was chosen due to its high thermooptic coefficient, which offers. The measured onchip loss on the transmission band is as low as 1db. Definition of optical switch photonic switches an alloptical fiber optic switching device that maintains the signal as light from input to output, no matter what the line speed or protocol. Synthesis and evaluation of thermoplastic polyurethanes as. Benzocyclobutene polymer in glass multimode interference thermo optic switch yaacob, maslina 2010 benzocyclobutene polymer in glass multimode interference thermo optic switch. The light is then split into different wave guards. Dec 02, 2003 a thermo optic interferometer switch is arranged to operate in a pushpull mode by placing approximately a quarterwavelength effective pathlength difference 90 degree bias between the arms of an interferometer switch in the zerodrive state, and then driving one arm to activate the switch to one state e.

At 500 nm after 1 hour warmup switch consists of two cascaded waveguide couplers with thermo optic heaters on both waveguide arms connecting the two couplers. The switching operation is achieved through thermo optic effect. Koyama, thermo optic effect in linbo3 for light deflection and switching, electron. Power consumption and response time are the most important performance indexes. Cascaded phaseshift thermo optic switch our switch is based on the machzehnder interferometer mzi, with adiabatic wideband 3db splitters 9. The thermooptic effect of the uvcured acrylic polymers was examined. This provides an effective means to reduce the power consumption of thermooptic switches, as well as a compact geometry desirable for the development of switch arrays.

Advanced optical components optical switch fiber optic. Effects of device structure on thermooptic switch and design. The acrylic monomer 6 was designed to have urethane bonds under the. Osa compact and low power thermooptic switch using.

Perform quantitative measurements in life science laboratories with the automated and networkcapable thermo scientific biomate 160 uvvisible spectrophotometer. By exploiting the small bend radius achievable using highindexcontrast silicon photonic wire waveguides, we demonstrate a new low power thermo optic switch arranged in a dense, double spiral geometry. The acrylic monomer 6 was designed to have urethane bonds under the expectation of a large thermo optic effect. International conference on advances in electrical, electronics, information, communication and bioinformatics aeeicb16 thermooptic switch. The optic switch is one of the most indispensable devices used in optical network systems, particularly in future photonic network systems, where the development of compact, crossconnect, optic switches is urgently required.

Index termsmmi coupler, mmimzi, optical switch, polymer, thermooptic, waveguide. Wavelength tuning and switching of a thermooptic microring. Jons,1,2 and val zwiller2 1kavli institute of nanoscience, delft university of technology, 2628 cj delft, the netherlands. Mar 12, 2014 the thermo optic effect of the uvcured acrylic polymers was examined. Twodimensional design and analysis of trenchcoupler based silicon machzehnder thermo optic switch opt. Hybrid polymersilica thermooptic vertical coupler switches. The air gap provides thermal isolation between the waveguide interferometer arms and the underlying silicon substrate.

Optical switches may separate signals at different wavelengths and direct them to different ports. Optical mode switch based on multimode interference couplers. Passive fiber optic switches will route an optical signal without electrooptical or optoelectrical conversion. And today, we will mainly introduce the first two types. Extremelylowpowerconsumption thermooptic switch with silicon. Thermooptic characterization of silicon nitride resonators for cryogenic photonic circuits ali w. Photonic crystal thermo optic switch tao chu1, hirohito yamada1, 2, satomi ishida3, and yasuhiko arakawa3 1optoelectronic industry and technology development association oitda 2nec corporation, fundamental and environmental research laboratories 34, miyukigaoka, tsukuba, ibaraki 3058501, japan phone. A thermo optic switch using total internal reflection waveguide was fabricated for optical true time delay. Experimental result shows that the crosstalk in the bar state is as low as 42db and the total insertion loss is only 4db at the wavelength. Optoelectronic research group, department of electronics and electrical engineering, university of glasgow, oakfield avenue, glasgow g12 8lt, scotland 2.

The described work is study and design of multimode interference based thermo optic switch using silicon on insulator soi technology. The waveguide can be easily fabricated by direct ultraviolet photolithography and wet etching processes. The main focus of this work is to analysis of thermo optical switches. Jan 22, 2015 optical switch or fiber optic switch can be a mechanical, optomechanical, or electronic device that opens or closes an optical circuit. Pushpull thermooptic switch lucent technologies inc. Low loss and high extinction ratio strictly non blocking 16. The highly confined optical modes of the strip waveguides enable miniature heated crosssections. Thermo optic waveguide switches have the advantages of relying on guided lightwaves no free space optics and not having moving parts. With the increase of temperature, the wax expands inside the thermo element, causing the displacement of the stainless steel pin, compressing the spring and opening the valve, which allows the passage of the liquid to the radiator. Osa submilliwatt thermooptic switches using freestanding silicon. The multilayer structures were optimized by thermal analysis. Ultracompact and widespectrumrange thermooptic switch. Chen1, 1department of electrical and computer engineering, the university of texas at austin, 10100 burnet rd, austin.