This website uses cookies to deliver some of our products and services as well as for analytics and to provide you a more personalized experience. Lithium niobate modulators for fiber optic communications systems. These drivers offer excellent performance in compact surfacemount packages and include features such as gain control and peak detection, as well as the capability to be used in either linear or. They use lithium niobate linbo3, magnesiumoxidedoped lithium niobate mgo. This device includes internal temperature compensation for excellent output stability over temperature, and exhibits both high output and low power dissipation. Osa nanophotonic lithium niobate electrooptic modulators. Lithium niobate definition is a crystalline material linbo3 whose physical properties change in response to pressure or the presence of an electric field and which is used in fiber optics and as a. In contrast, ring modulators based on silicononinsulator are of interest for chipscale electrooptical modulation, but unstrained crystalline silicon does not exhibit a. The operational wavelength range of the mbx extends from 1250 nm to 1610 nm. Product introductionthe kywba10gdpl pulse electric amplifier is a driver amplifier for low duty cycle and narrow pulse amplification,and mainly used for lithium niobate electrooptic intensity and phase modulator. Outstanding performance in an easy to use instrument form.
The nrz driver module utilizes four stages of gaas phemt mmic amplifiers integrated with an output level detector and feedback loop to provide thermal stability and external control of the output swing. In comparison, nondoped lithium niobate has a damage threshold of 1 wmm2 at 1. Express 26 this is a symmetric spectrum but for clarity only the upper portion is displayed. Limiting and linear optical modulator drivers renesas. Engineered thin film lithium niobate substrate for high. Of all oxides, lithium niobate linbo3 is the gold standard electrooptical material in fiberoptic transmission systems. Eospace inc specializes in manufacturing the highest performance electrooptic eo integrated circuits and components for the designers and builders of nextgeneration optical telecommunication and photonic systems. Sep 10, 2014 home forums system linbo3 phase modulator linbo3 phase modulator jaffar emad kadum joined april 2014 participant hi please i want to use dualport linb mzm as phase modulator, what are the parameters switching bias voltage, switching rf voltage, bias voltage1, bias voltage2 and vpi should i use to operate the dual more info. Hybrid silicon and lithium niobate electrooptical ring modulator article pdf available in optica 12. Osa thin film lithium niobate electrooptic modulator with terahertz operating bandwidth. The mbx is one of a range of linbo3 electrooptic modulator driver and control instruments developed by thorlabs to meet a variety of application requirements. Sapphire lasers as well as modulator for fiber optics we also supply black wafers free of pyroelectric discharge. This operational diagram of an iq modulator shows the waveguides blue lines split into four paths embedded in the surface of the lithium niobate green.
Hybrid silicon and lithium niobate electrooptical ring modulator. Descriptionthe kypm series electrooptic phase modulator utilizes the electrooptical effect of lithium niobate to achieve phase modulation of optical signals, and uses titanium diffusion or proton exchange process to fabricate optical waveguides, which can achieve dualpolarization or singlepolarization phase modulation. Bonded thin film lithium niobate modulator on a silicon photonics platform exceeding ghz 3db electrical modulation bandwidth peter o. Conventional ln modulators however are bulky, expensive and power hungry, and cannot meet the growing demand in modern optical data links.
Microsemi offers optical modulator driver amplifiers for 100g 200g optical. The resulting lithium niobate on silicon linos modulator is demonstrated to operate from dc to 110 ghz. The higher electrical conductivity minimizes pyroelectric effect, and reduces saw device fabrication and operation difficulties. The technology meets the performance and reliability requirements of current 2. Product introductionthe kywba10gdpl pulse electric amplifier is a driver amplifier for low duty cycle and narrow pulse amplification,and mainly used for lithium. Coronavirus outbreak impact and key startegy to overcome for. Electrooptic intensity modulator electrooptic modulator. It is the material of choice for the manufacture of surface acoustic wave devices. Osa hybrid silicon and lithium niobate electrooptical. We also supply black wafers free of pyroelectric discharge. Used, 100gbps pmqpsk modulator, fujitsu ftm7977hq, lithium.
Our full range of linbo 3 modulators includes these and our phase modulators. Automated bias controller for lithium niobate linbo3. Prather, thin film lithium niobate electrooptic modulator with terahertz operating bandwidth, opt. All thorlabs fibercoupled lithium niobate modulators are fully compatible with our eo modulator drivers. Input requirements, test setups, and mounting instructions will be covered. Citeseerx document details isaac councill, lee giles, pradeep teregowda. For some uses it can be replaced by lithium tantalate, li ta o 3. Coronavirus outbreak impact and key startegy to overcome.
Automated bias controller for lithium niobate linbo3 modulators. For allinone solutions in highspeed fiber optic test and measurement, we offer reference transmitters. The input light is first affected by each mzis modulating rf drive voltages, and then by each mzis dc bias voltages, as shown by the translucent regions. They are available from 780 nm to 2500 nm and feature an electrooptical bandwidth of up to 40 ghz with low insertion loss, low vp, high per. Lithium niobate definition of lithium niobate by merriam. Other uses are in laser frequency doubling, nonlinear optics, pockels cells, optical parametric oscillators, q. Lithium niobate electrooptic modulators, fibercoupled. May 15, 2020 osa thin film lithium niobate electrooptic modulator with terahertz operating bandwidth. Thorlabs mbx bias controller provides complete and precise control of dc bias and optical output power for any fibercoupled lithium niobate linbo3 electrooptic intensity modulator, regardless of signal speed. Descriptionthe kypm series electrooptic phase modulator utilizes the electrooptical effect of lithium niobate to achieve phase modulation of optical signals, and uses titanium diffusion or proton exchange process to fabricate optical waveguides, which can achieve dual. The model pspl5865 driver amplifier is intended for use driving lithium niobate modulators or as a linear amplifier. Electrooptical and mechanical connections introduction the purpose of this document is to describe how to use a lucent technologies lithium niobate linbo 3 modulator. The frequency and intensity of the applied rf signal will determine how much an optical beam is modulated, deflected, or tuned. The input light is first affected by each mzis modulating rf drive voltages, and then by each mzis dc bias.
Lithium niobate modulators for fiber optic communications. Idts driver solutions are optimized to interface with the latest lithium niobate and indium phosphide optical modulators, available in both gppo module and surface mount smt packages. Accordingly, this paper proposes and demonstrates the integration of a thin linbo3 device layer with silicon and a novel tuning process that matches the propagation velocities between the propagating radiofrequency rf and optical waves. If the crystal exhibits photorefractive damage, the damage can be removed by heating annealing the crystal slowly to about 5070 c, thereby mobilizing the charge carriers. The 1550 nm lithium niobate integrated optical circuit is based on emcores state of the art lithium niobate foundry producing chips with consistent split ratio, linear modulation properties and exceptionally high polarization extinction values. Home forums system linbo3 phase modulator linbo3 phase modulator jaffar emad kadum joined april 2014 participant hi please i want to use dualport linb mzm as phase modulator, what are the parameters switching bias voltage, switching rf voltage, bias voltage1, bias voltage2 and vpi should i use to operate the dual more info. Titanium indiffused zcut lithium niobate low drive voltage longterm bias stability telcordia gr468 compliant integrated photodetector the ln82sfc is a 0. A 43gbps lithium niobate modulator driver module citeseerx. Lithium niobate wafers applications and specifications. Lithium niobate is used extensively in the telecommunications market, e. Ln modulators are used primarily as optical modulators that change highspeed electrical signals at 10 gbits to optical signals for long distance. Many technologies are based on this material which has unique piezoelectric, optical and photoelastic properties while exhibiting mechanical and chemical stability. Thinning or machining of the linbo 3 substrate has been proposed to facilitate velocity. Examples of common applications of lithium niobate linbo 3 are illustrated in this diagram.
Each modulator driver includes an rf amplifier with amplitude and eyecrossing controls and accepts. Sapphire lasers as well as modulator for fiber optics. Eospace products utilize proprietary lithium niobate linbo3 integrated optics dev. Dec 30, 2019 this website uses cookies to deliver some of our products and services as well as for analytics and to provide you a more personalized experience. Modulators based on diffused waveguides in bulk linbo3 substrates are, however, relatively large.
Lithium niobate modulator drivers general purpose linear lab amplifier the picosecond advantage. Black lithium niobate saw device fabrication and performance evaluation chemically reduced lithium niobate wafers exhibit higher dc electrical conductivity and increased nearuv optical absorption. As a first approach, lithium niobate could be used. Apr 21, 2020 osa nanophotonic lithium niobate electrooptic modulators. Modulation bandwidths extending into the gigahertz range are possible with the use of lasercontrolled modulators. The modulation may be imposed on the phase, frequency, amplitude, or polarization of the beam. Electrooptic properties 1 st optical fiber semiconductor laser planar integrated optic prism coupling p. Our fibercoupled tunable lasers provide an ideal cband or lband source for use with these modulators. The lithium niobate intensity modulators we offer are listed in the table at lowerright. Its single crystals are an important material for optical waveguides, mobile phones, piezoelectric sensors, optical modulators and various other linear and nonlinear optical applications. The nrz driver module utilizes four stages of gaas phemt mmic amplifiers integrated with an output level detector and feedback loop to provide thermal stability and. An electrooptic modulator eom is an optical device in which a signalcontrolled element exhibiting an electrooptic effect is used to modulate a beam of light. We produce periodicallypoled lithium niobate ppln jin two forms. With an operational wavelength range of 1250 nm to 1610 nm, each modulator driver provides control for an external fibercoupled linbo 3 eo modulator.
Linbo3, and ktp crystals which have large electrooptic coef. Devices and applications article in journal of crystal growth 2881. An rf driver generates an rf signal that is used to generate the acoustic wave within the crystal of an ao device. Oa3hvqdsl is a quad channel highperformance broadband 32 gbps, adjustable gain, differential input, singleended output lithium niobate linbo 3 or indium phosphide inp optical modulator driver amplifier for long haul, core, and regional optical transponders utilizing dpqpsk dp16qam nrz pam4 per channel modulation techniques. To prevent damage to your rf driver you should optimize the frequency match between the modulator and.
Lithium niobate ln modulators are used primarily as optical modulators that change highspeed electrical signals at 10 gbits to optical signals for longdistance communication systems. Hybrid silicon and lithium niobate electrooptical ring. The nanophotonic lithiumniobate modulator supports direct cmos driving with high bandwidths 100 ghz a, while traditional modulators require large and powerconsuming electrical driver ampli ers and have limited bandwidths. It also incorporates internal sequencing circuitry. This paper describes the realization of a 43gbps lithium niobate modulator driver module. Input requirements linbo 3 modulators need three types of input. Optical modulator drivers for longhaul and metro networking. Dec 12, 20 lithium niobate linbo 3 has long been the dominant material for electrooptic modulation in both data transmission and microwave photonic applications, due to its high electrooptic figure of merit, availability in largearea, high quality wafers, and welldeveloped device fabrication technology. The oa4smm5 is a small high performance broadband 40gbs electroabsorption and lithium niobate optical modulator driver amplifier with low jitter, 3. Integrated lithium niobate electrooptic modulators. They are available from 780 nm to 2500 nm and feature an electrooptical bandwidth of up to 70 ghz with low insertion loss, low vp, and also very high optical extinction ratio. Lithium niobate linbo 3 applications include electrooptic modulator and qswitch for nd. Driver ics intended for driving such ln modulators are becoming key devices that impact the performance of a system as much as ln modulators.