OPTICAL FREQUENCY SHIFTER TECHNIQUE BASED ON STIMULATED BRILLOUIN-SCATTERING IN BIREFRINGENT OPTICAL-FIBER

被引:3
作者
DUFFY, CJ [1 ]
TATAM, RP [1 ]
机构
[1] CRANFIELD INST TECHNOL, CTR PHOTON & OPT ENGN, OPT SENSORS GRP, CRANFIELD MK43 0AL, BEDS, ENGLAND
来源
APPLIED OPTICS | 1993年 / 32卷 / 30期
关键词
FIBER OPTICS; NONLINEAR OPTICS; SIGNAL PROCESSING;
D O I
10.1364/AO.32.005966
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
An optical technique for producing a heterodyne carrier frequency suitable for electronic signal-processing schemes in sensing applications is described. The technique exploits stimulated Brillouin scattering (SBS) generated in birefringent optical fiber. Systems based on single-fiber and dual-fiber topologies are reported that yield 10.6 +/- 8.0- and 665 +/- 10.0-MHz carrier frequencies, respectively. Frequency instabilities arose from nonlinear dynamical effects inherent to the SBS process. The implications of the results for future signal-processing and sensing schemes based on SBS are then discussed.
引用
收藏
页码:5966 / 5972
页数:7
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