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Effect of bandpass filter bandwidth on the performance of linear cavity multiwavelength BEFL

We have investigated the self-lasing effect of the linear multiwavelength Brillouin-Erbium fiber laser with different tunable bandpass filter's bandwidth. Two 3dB bandwidth of 1 nm and 3 nm filter were used in this study. The experimental results show that the width of the TBF bandwidth plays a...

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Bibliographic Details
Main Authors: A., Mansoor,, P.Y., Nan,, H.A.A, Rashid,, Z., Yusoff,, M., Othman,
Format: Conference Paper
Language:en_US
Published: IEEE 2015
Subjects:
Bandpass filter
BEFL; Multiwavelength
Online Access:http://ddms.usim.edu.my/handle/123456789/9182
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Summary:We have investigated the self-lasing effect of the linear multiwavelength Brillouin-Erbium fiber laser with different tunable bandpass filter's bandwidth. Two 3dB bandwidth of 1 nm and 3 nm filter were used in this study. The experimental results show that the width of the TBF bandwidth plays an important role in shaping the self-lasing effect. By using the tunable bandpass filter with a broader bandwidth, the self-lasing effect can be suppressed efficiently thus producing higher Brillouin Stokes lines. At 0 dBm Brillouin pump power, up to 11 stable output laser channels can be obtained with the utilization of the 3 nm TBF as compared to only 5 output channels with the utilization of 1 nm TBF. © 2013 IEEE.

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