Driver for mz modulator

The gx62474 is a high performance parallel low vpi linear machzender modulator mzm driver. This modulation current reflects a modulation voltage of 1. An internal closecoupled 43 gbaud rf driver helps optimize signal integrity to the mz modulator, and monolithically integrated inp soa functions on the modulator help compensate for additional optical losses at higher modulation rates up to dp16qam. Onet1151m data sheet, product information and support. The proposed modulator driver adopts a triplestacking topology with a dynamic biasing to. Modulator drivers qorvos optical modulator drivers are designed for 100, 200 and 400 gbs linear modulator functions for optical networks. The type of driver you need depends on which modulator you have and how its being used. Introduction to ixblue rf drivers and amplifiers for optical. The driver is able to deliver a modulation current of 40ma pp to 120ma pp, with an edge speed of 23ps typical 20% to 80%. A temperature independent driver for machzehnder modulators. Braulio gomez saavedra, norman wolf, lei yan, christian meuer, jung han choi, karlotto velthaus, marko gruner, colja schubert, heinzgunther bach, martin schell, first 105 gbs low power, small footprint pam8 impedanceengineered tosa with inp mz modulator and customized driver ic using predistortion. Driver for silicon photonics mz modulator to 56 gbaud neophotonics.

The gx62474b is a surface mount device smd packaged. We also offer liquid crystal eo modulators for speeds up to 2. Neophotonics gaas 53 gbaud pam4 driver ic is a linear, differential driver optimized for 1 x 100 gbps and 4 x 100 gbps applications requiring pam4 modulation. Back to top the gx62474 is a highperformance parallel low vpi linear machzender modulator mzm driver designed for 100g dpqpsk longhaul optical transmitters. This is a particular issue in siliconphotonics systems due to high power density, where high temperature variation is inevitable. While the above specification is a full description of the specific embodiments, various modifications, alternative constructions and equivalents may be used.

The dran modulator driver comes in a compact connectorized module that matches mechanically and impedance directly with ixblue phase and intensity. Qorvos optical modulator drivers are designed for 100, 200 and 400 gbs linear modulator functions for optical networks. The gx62474 is a surface mount device smd packaged solution consisting of 4 x 32 gbs broadband amplifiers, each capable of driving a linear output voltage of 6. Neophotonics hbcdm is implemented in a small form factor 25 x 12 x 5 mm package which copackages a linear, quadchannel, differential 64 gbaud driver with an indium phosphide based machzehnder mz quadrature modulator chip. Our worldclass optical modulator drivers lead the industry by offering the lowest power consumption, higher linearity and convenience of surfacemount technology smt assembly. A modulator bias controller is also available for use with fibercoupled intensity modulators. Gigoptix 100g dpqpsk broadband amplifier gppo rf mz. A 10gbs 6vpp differential machzehnder modulator driver is implemented in 65nm cmos technology.

A major difficulty associated with the setup shown in figure 7 occurs when a user needs to operate with a pulse regime at very low duty cycle. This driver fabricated using a nm cmos process can achieve a differential output voltage swing of up to. The single drive configuration can be either zcut or xcut, since xcut is. If a voltage is applied across one of the arms, a phase shift is induced for the wave passing through that arm. The proposed scheme, with direct interface to the digital to analog converter, is suitable for coherent high order modulation formats intended for data transmission over optical fiber at a. Eamz modulator driver is intended for electro absorption and mz modulators and dfb lasers in fiber optic communications.

The modulator driver is a high bandwidth amplifier built with a cascade of mmics monolithic microwave integrated circuit based on the gallium arsenide gaas technology and on a distributed amplifier topology, designed to drive an optical modulator in the best suited conditions. The maom003407 is a high performance linear quad channel mz modulator driver ic. If the electrical field in both mz branches is identical the dual drive configuration will be chirp free. Microsemi offers optical modulator driver amplifiers for 100g 200g optical. The driver features programmable output voltage swing as well as monitoring, crossing point. Optical interferometric synthesis of pam4 signals based on. The maom003407 takes a differential input signal that can range up to 600mvpp differential to provide a single ended output that can range up to 6vpp. Gx62474 4x32gbs linear mz modulator driver renesas.

Microsemi offers optical modulator driver amplifiers for 100g 200g optical transceivers used in longhaul, metro, and data center applications. The hmc465lp5e amplifiers ios are internally matched to 50 ohms. Integrated coherent trosa up to 43 gbaud symbol rate. The laser driver in this work exhibits robustness in bandwidth and gain across the temperature range 27oc to 5oc. The gx62474 is a highperformance parallel low vpi linear machzender modulator mzm driver designed for 100g dpqpsk longhaul optical transmitters. The maom002105 is a high performance mz modulator driver ic for 40g dqpsk and 100g dpqpsk applications. This driver, implemented in a highperformance gaas phemt process, provides rf output voltage that is well suited to modulate silicon and inp machzender modulators mzm while maintaining exceptional tdecq. Apr 19, 2018 the modulator driver design assumes that there will be sufficient decoupling capacitance 300 pf on the driver 300 between vcco, vcci, vbiasvext and gnd. Aug 22, 2017 in an embodiment, the pam4 driver 200 is implemented in association with the 2bit dac as described in fig. It consists of 3 amplifier stages packaged in a surface mount package with builtin decoupling capacitors.

Us20070212075a1 dualparallelmz modulator bias control. The pam4 driver is configured as 2bit cmos digitaltoanalog convertor including a drive control module for receiving a pair of incoming differential digital data and generating a first processed reference signal and a second processed reference signal. The driver can also find application in as a broadband high output swing limiting amplifiers from dc to 12gbs. In a specific embodiment, the dualchannel pam4 driver 300 is laid out in a 2. Macom has a large portfolio of optical modulator drivers for applications covering distances of hundreds of meters up to thousands of kilometers at data rates from 1 gbps up to 100 gbps and beyond.

High speed bicmos linear driver core for segmented inp mach. The modulator output soa function provides power adjustment and shuttering capabilities. Maxlinear launches the mxl9244 45gbaud linear machzehnder. The in3214hg provides smt differential inputs and gppo outputs. 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.

The modulation may be imposed on the phase, frequency, amplitude, or polarization of the beam. The model 4002, 4004, and 4104 broadband devices have no internal impedance matching, so the modulator s input impedance is determined only by the crystal capacitance 1020 pf. Freespace amplitude, phase, or resonant modulators can operate at speeds up to 100 mhz. This includes drivers for high performance machzehnder modulators, externally modulated lasers eml and directly modulated lasers dml. Optical iq modulators for coherent 100g and beyond. The input waveguide is split up into two waveguide interferometer arms. This ic is available in a small 19 mm x mm smd package.

Analog mz modulator bias controller from ixblue pulse mz modulator bias controller from ixblue minimbc from yylabs. The part requires an external low frequency choke, ac coupling capacitors, and dc control circuitry for operation in a system environment. The gx62474b is a highperformance parallel low vpi limiting machzender modulator mzm driver designed for 100g dpqpsk longhaul. Performance summary table for hittites optical modulator driver family. The mz modulator driver is typically designed to use both 50. Thorlabs selection of electrooptic eo modulators includes freespace and fibercoupled linbo 3 modulators. A pam4 driver with at least 56 gbps speed for driving a machzehnder modulator. Back to top the gx62474b is a highperformance parallel low vpi limiting machzender modulator mzm driver designed for 100g dpqpsk longhaul optical transmitters. The gx62474 is a surface mount device smd packaged. The dualparallel mz modulator is a combination of three nested machzehnder mz modulators.

Mz modulators are either dual drive or single drive. The gx62474 is a small form factor sff with differential inputs and single ended outputs. Our worldclass optical modulator drivers lead the industry by offering the lowest power consumption, higher linearity and convenience of. The dual drive configuration uses data and inverted data to generate the intensity modulation. A dualparallel mz dpmz modulator is a device that has recently been gaining popularity in the communications field for increasing the distance of transmission of an optical signal and for increasing the bit rates, both of which are in high demand. Driver for silicon photonics mz modulator to 56 gbaud. The gx62474 is a highperformance parallel low vpi linear machzender modulator mzm driver.

Measurement results demonstrate clean optical eye diagrams with 4db extinction ratio while consuming 0. Powerful optical modulator driver family for metro. Mxl, a leading provider of radio frequency rf and mixedsignal integrated circuits for the connected home and wired and wireless infrastructure markets, today announced the mxl9244, a quadchannel linear machzehnder mz modulator driver for nextgeneration 200gbps 400gbps coherent systems. Optical iq modulators for coherent 100g and beyond lightwave. 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. The amplifier provides 17 db of gain, 8vpp saturated output swing and features output swing cross point adjustment. Figure 52 is an example of an mz modulator driver, which consists of a threestage predriver and cascode differential output driver 99. Home products fixed wavelength lasers and high speed driver ics driver for silicon photonics mz modulator to 56 gbaud product overview neophotonics gaas 53 gbaud pam4 driver ic is a linear, differential driver optimized for 1 x 100 gbps and 4 x 100 gbps applications requiring pam4 modulation. Task of the driver on mach zehnder modulator electrical. The low level of power might not be enough for the vbias electronics to be able to. Mar 16, 2017 maxlinear announced the mxl9244, a quadchannel linear machzehnder mz modulator driver for nextgeneration 200gbps 400gbps coherent systems.