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  • 110 GHz Plasmonic​ Imbalanced Mach-Zehnder Modulator Chip​
  • 110 GHz Plasmonic​ Imbalanced Mach-Zehnder Modulator Chip​

MZM-C110

110 GHz Plasmonic Mach-Zehnder Modulator

Leave competition behind with the fastest modulator in the world, specified at 110 GHz bandwidth, but proven to work above 500 GHz.

Key Features

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    3-dB electro-optic bandwidth >110 GHz

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    C-band operation

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    Lumped, low-capacitance RF design

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    Chip dimensions 1.5 mm x 2 mm

Description

The plasmonic Mach-Zehnder Modulator (MZM) featuring a bandwidth beyond 110 GHz makes it a first choice for applications in measurement systems, radio-over-fiber (RoF) and for high-data-rate optical transmission. Polariton offers the product in two variants: balanced and imbalanced.

The optical spectrum of the balanced MZM has a gaussian shape around the central coupling wavelength of its grating couplers. This allows operation in a 3 dB optical bandwidth of around 60 nm. To set the operating point, the balanced MZM contains thermo-optic phase-shifter, which shifts the whole spectrum in the y-axis.

The imbalanced MZM has a resonant spectrum with peaks and extinctions. This allows for a change of the operating point by tuning the wavelength of the laser source, making an additional voltage unnecessary.

Delivered as a chip or semi-packaged chip, this product can be tailored to your needs.

Related Papers

Download data sheet (balanced)
Download data sheet (imbalanced)

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Performance Data

Insertion loss (IL)

<18 dB

Static extinction ratio (ER)​

>25 dB

DC bias on/off voltage​

<1.5 V

3dB EO bandwidth

>110 GHz

Vп, eq @ 100 kHz​ @ 50 Ohm

<5 V

Maximum Ratings

Optical input power: long term​ / 500 h

0 dBm / 3 dBm

RF input power @50 Ohm

18 dBm

DC voltage at RF input

0 V

DC bias voltage / current

2.5 V / 20 mA

Operating / storage temperature​

~25 °C

Mechanical and Optical Specifications​


Optical input and output

Grating coupler (GC), 127 µm pitch

Center wavelength

1550 nm at 8° GC angle

Electrical RF interface​

G-S-G, 60-200 µm pitch (balanced), 50-110 µm pitch (imbalanced)

Electrical DC interface​

+/-, 30-230 µm pitch (balanced), 70-190 µm pitch (imbalanced)

Optical source for operation of imbalanced MZM

Tunable laser, 1550 nm ± 10 nm range

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