Continuously tunable microwave-photonic filter design using high-birefringence linear chirped grating

Author

Yi, Xiaoke ; Lu, Chao ; Yang, Xiufeng ; Zhong, Wen-De ; Wei, Fang ; Ding, Lei ; Wang, Yixin

Author_Institution

Network Technol. Res. Center, Nanyang Technol. Univ., Singapore, Singapore

Volume

15

Issue

5

fYear

2003

fDate

5/1/2003 12:00:00 AM

Firstpage

754

Lastpage

756

Abstract

We propose and demonstrate experimentally a novel microwave-photonic filter using a variable polarization delay line based on a high-birefringence linear chirped fiber Bragg grating. The filter is free from the problems associated with the optical coherence interference of the laser. It provides a continuous tuning capability without the need to change the wavelength of the input optical carrier, and offers high resolution filtering for real-time signal processing in radio frequency systems.

Keywords

Bragg gratings; UHF filters; birefringence; chirp modulation; microwave photonics; notch filters; optical delay lines; optical fibre filters; optical tuning; continuous tuning capability; continuously tunable microwave-photonic filter design; differential group delay; high resolution filtering; high-birefringence linear chirped fiber Bragg grating; high-birefringence linear chirped grating; input optical carrier wavelength; microwave-photonic notch filter; radio frequency system; real-time signal processing; variable polarization delay line; Chirp; Delay lines; Gratings; Laser tuning; Nonlinear filters; Optical fiber filters; Optical fiber polarization; Optical filters; Optical signal processing; Tunable circuits and devices;

fLanguage

English

Journal_Title

Photonics Technology Letters, IEEE

Publisher

ieee

ISSN

1041-1135

Type

jour

DOI

10.1109/LPT.2003.809979

Filename

1196159