Magnetic tunability of fiber optical parametric oscillators with optical clock extraction

doi:10.1007/s12200-011-0217-y

Front Optoelec Chin

2011, Vol. 4

Issue (3) : 325-329 https://doi.org/10.1007/s12200-011-0217-y

RESEARCH ARTICLE

Magnetic tunability of fiber optical parametric oscillators with optical clock extraction

Tianzhi LE, Baojian WU(

), Feng WEN, Kun QIU

Key Lab of Broadband Optical Fiber Transmission and Communication Networks of the Ministry of Education, University of Electronic Science and Technology of China, Chengdu 611731, China

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Abstract

A 10 Gb/s all-optical clock extraction based on magnetically controllable fiber optical parametric oscillator (MC-FOPO) is demonstrated. The operation properties of the magnetic control unit, composed of a solenoid and a magneto-optic crystal of high Verdet constant, are experimentally investigated. By adjusting the drive current of the solenoid, the magneto-optic crystal unit may serve as a tunable optical fiber delay line with polarization control to some extent. The experimental results show that the MC-FOPO is capable of repetitively magnetic tunability desirable for all-optical clock recovery.

Keywords fiber optical parametric oscillator (FOPO) clock extraction magnetic control

Corresponding Author(s): WU Baojian,Email:bjwu@uestc.edu.cn

Issue Date: 05 September 2011

Cite this article:

Tianzhi LE,Baojian WU,Feng WEN, et al. Magnetic tunability of fiber optical parametric oscillators with optical clock extraction[J]. Front Optoelec Chin, 2011, 4(3): 325-329.

URL:

https://academic.hep.com.cn/foe/EN/10.1007/s12200-011-0217-y
https://academic.hep.com.cn/foe/EN/Y2011/V4/I3/325

Fig.1 Magnetic control methods used in fiber optical parametric oscillators. (a) Centralized magnetic control; (b) distributed magnetic control

Tab.1 Some parameters of solenoid and toroid coil

Fig.2 Magnetic field response of magneto-optic crystal. (a) Insertion loss; (b) Faraday rotation angle and Verdet constant

Fig.3 Relation between magnitude of magnetic field and drive current

Fig.4 Magnetic field distribution of solenoid

Fig.5 Schematic diagram of MC-FOPO

Fig.6 Eye diagrams of clock extraction. (a) Optimal eye diagram when =0 A; (b) adjust to 2.5 A; (c) optimal eye diagram by tuning PC and ODL; (d) adjust to 0 A; (e) adjust to 2.5 A

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[1]	Sigang YANG, Kenneth K. Y. WONG, Minghua CHEN, Shizhong XIE. Fiber optical parametric oscillator based on highly nonlinear dispersion-shifted fiber[J]. Front Optoelec, 2013, 6(1): 25-29.

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