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Licensed Unlicensed Requires Authentication Published by De Gruyter November 21, 2017

Review on Photonic Generation of Chirp Arbitrary Microwave Waveforms for Remote Sensing Application

  • Sanjeev Kumar Raghuwanshi EMAIL logo , Akash Srivastav and Bidhanshel Singh Athokpam

Abstract

A novel technique to generate an arbitrary chirped waveform by harnessing features of lithium niobate LiNbO3 Mach–Zehnder modulator is proposed and demonstrated. The most important application of chirped microwave waveform is that, it improves the range resolution of radar. Microwave photonics system provides high bandwidth capabilities of fiber-optic systems and also contains the ability to provide interconnect transmission properties, which are virtually independent of length. The low-loss wide bandwidth capability of optoelectronic systems makes them attractive for the transmission and processing of microwave signals, while the development of high-capacity optical communication systems has required the use of microwave techniques in optical transmitters and receivers. These two strands have led to the development of the research area of microwave photonics. So, it should be consider that microwave photonics as the field that studies the interaction between microwave and optical waves for applications such as communications, radars, sensors and instrumentations. In this paper, we have thoroughly reviewed the arbitrary chirped microwave generation techniques by using photonics technology.

Acknowledgment

Authors are thankful to Satellite Application Center (SAC), ISRO, Ahmedabad, India for sponsoring this project. The proposed work is carried out under the project number- ISRO/RES/4/617/2014-15 dated September 1, 2014 entitled “Photonic Microwave Arbitrary Waveform Generation with Adjustable Chirp Parameter based on Remote Sensing Applications” under taken by Dr. Sanjeev Kumar Raghuwanshi and Dr. Raghvendra Kumar Chaudhary.

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Received: 2016-5-19
Accepted: 2016-6-9
Published Online: 2017-11-21
Published in Print: 2017-12-20

© 2017 Walter de Gruyter GmbH, Berlin/Boston

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