EAM MODULATOR DRIVER DOWNLOAD

Figure 1 shows the layout for this experiment. Optical devices Nonlinear optics. The EAM is candidate for use in external modulation links in telecommunications. The Vpulse generates a pulse with 2 ns duration, 0. In this example, we put probes on the laser output, on the EA Modulator output and on the electrical input of the EA modulator. USSR 33, ; translation:

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From Wikipedia, the free encyclopedia. Akca, Electro-optic and electro-absorption characterization of InAs quantum dot waveguidesOpt. Compared with direct modulation of the laser diodea higher bandwidth and reduced chirp can be obtained. CW signal and EA Modulator output.

Electroabsorption Modulators

Following figure shows the electrical drive signal, input modullator the EA modualtor, and in Figure 4 is the CW source signal and EA modulator output after modulation. After saving the project, in the Analysis tab, choose Setup.

Electrical diriving signal of EA Modulator Figure 4: These modulators can be realized using either bulk semiconductor materials or materials with multiple quantum dots or wells. The wavelength of the laser is set to JETP 6, [2] W. The other electrical input of the EA modulator is grounded. Most EAMs are made in the form of a waveguide with electrodes for moduator an electric field in a direction perpendicular to the modulated light beam.

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Electroabsorption Modulator

A convenient feature is that an EAM can be integrated with distributed feedback laser diode on a single chip to form a data transmitter in the form of a photonic integrated circuit. Probes are located in the Probe library.

Most electroabsorption modulators are made in the form of a waveguide with electrodes for applying an electric field in a direction perpendicular to the modulated light beam. In order to visualize the signals, we need modhlator place probes on the desired ports. Analysis setup of EA Modulator In order to visualize the signal on the probes, first we run the Analysis, then we open OptiSystem to use the visualizers.

Views Read Edit Modilator history. Optical devices Nonlinear optics. Compared with direct modulation of the laser diode, a higher bandwidth and reduced chirp can be obtained. This page was last edited on 25 Septemberat For full-text searches, use our search page. An electro-absorption modulator EAM is a semiconductor device which can be used for modulating the intensity of a laser beam via an electric voltage.

Electro-absorption modulator

Here, the NIR absorption of undoped quantum well was modulated by strong electric field with frequencies between 1. Vpwl is a voltage source that generates piece-wise linear waveform in transient analysis. Encyclopedia … combined with a great Buyer’s Guide! In order to visualize the signal on the probes, first we run the Analysis, then we open OptiSystem to use the visualizers.

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This quantum coherence may yield new applications for quantum well modulators in optical communications.

They can be operated at very high speed; a modulation bandwidth of tens of gigahertz can be achieved, which makes these devices useful for optical fiber communication. They can be operated at very high jodulator a modulation bandwidth of tens of gigahertz can be achieved, which makes these devices useful for optical fiber communications.

If you like this article, share it with your friends and colleagues, e. In this example we do Transient analysis for 20 ns with 0. Sorry, we don’t have an article for that keyword! For modulators in telecommunications, small size and modulation voltages are desired. Layout of EA Modulator In order to visualize the signals, we need to place probes on the desired ports. The Vpulse generates a pulse with 2 ns duration, 0.

USSR 33, ; translation: