Title

An Electrooptic Feedforward System for Dynamic Control of a Quasi-Continuous-Wave Chirped Laser Source

Authors

Authors

D. Mandridis; I. Ozdur;P. J. Delfyett

Comments

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Abbreviated Journal Title

IEEE Photonics Technol. Lett.

Keywords

Analog-to-digital (A/D) conversion; feedforward systems; laser radar; mode-locked lasers; optical tomography; TO-DIGITAL CONVERTER; MATHEMATICAL-THEORY; COMMUNICATION; JITTER; Engineering, Electrical & Electronic; Optics; Physics, Applied

Abstract

In this letter, a feedforward system is developed for control of a quasi-continuous-wave (CW) chirped source. The goal of this study is to improve the uniformity of the temporal profile of a quasi-CW chirped laser source. The chirped spectrum input to the system is dynamically flattened using a feedforward scheme having bandwidth in excess of 1 GHz, resulting in more than three times reduction on the contrast of the input spectrum. A uniform chirped spectrum laser source can be used in time-stretched photonic analog-to-digital conversion, as part of laser radar system, or for optical coherence tomography.

Journal Title

Ieee Photonics Technology Letters

Volume

21

Issue/Number

17

Publication Date

1-1-2009

Document Type

Article

Language

English

First Page

1226

Last Page

1228

WOS Identifier

WOS:000269213700022

ISSN

1041-1135

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