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Related Experiment Video

Updated: Jun 20, 2026

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

Published on: March 20, 2017

Modulation-format agile, reconfigurable Tb/s transmitter based on optical arbitrary waveform generation.

David J Geisler¹, Nicolas K Fontaine, Tingting He

¹Department of Electrical and Computer Engineering, University of California, Davis, One Shields Avenue, Davis, California 95616, USA. djgeisler@ucdavis.edu

|September 3, 2009

Summary

This study introduces an optical arbitrary waveform generator (OAWG) for synthesizing Tb/s signals. It demonstrates high spectral efficiency for QPSK and 16QAM, complex waveforms for optical-label switching, and accurate duobinary signals.

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Quasi-light Storage for Optical Data Packets

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Last Updated: Jun 20, 2026

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

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Published on: March 20, 2017

Quasi-light Storage for Optical Data Packets

Quasi-light Storage for Optical Data Packets

Published on: February 6, 2014

Area of Science:

Optical Communications
Signal Processing

Background:

High-speed optical communication systems require advanced signal generation techniques.
Arbitrary waveform generation is crucial for flexible and efficient data transmission.

Purpose of the Study:

To present an optical arbitrary waveform generator (OAWG) capable of synthesizing Tb/s optical signals.
To demonstrate the generation of various complex modulation formats and data packet waveforms.

Main Methods:

Utilized static OAWG (line-by-line pulse shaping) for generating repeated arbitrary waveforms.
Employed theoretical and experimental approaches for waveform synthesis and validation.
Simulated dynamic OAWG for continuous data stream encoding.

Main Results:

Achieved high spectral efficiencies in Quadrature Phase-Shift Keying (QPSK) and 16 Quadrature Amplitude Modulation (16QAM).
Generated complex data packet waveforms for Optical-Label Switching (OLS) with payload and label encoding.
Demonstrated repeatability and accuracy of duobinary (DB) data packet waveforms with Bit Error Rate (BER) measurements.

Conclusions:

The OAWG concept enables the synthesis of Tb/s optical signals with arbitrary modulation formats.
Static OAWG is effective for generating repeatable arbitrary waveforms, while dynamic OAWG allows for continuous data streams.