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S-band erbium-doped fiber ring laser using a fiber Bragg grating

✍ Scribed by H. Ahmad; N. K. Saat; S. W. Harun

Publisher
John Wiley and Sons
Year
2005
Tongue
English
Weight
98 KB
Volume
2
Category
Article
ISSN
1612-2011

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✦ Synopsis

A short wavelength band erbium-doped fiber laser
(S-band EDFL) is demonstrated utilizing a fiber Bragg grating
(FBG) in unidirectional ring configuration. The amplification in
S-band is achieved using an erbium-doped fiber with depressed
cladding, which suppressed gains at longer wavelength. The laser
operates at 1500 nm, which coincides with the FBG wavelength. The
optimum EDFL operation is obtained by routing only 10% of the
laser output into the cavity. The laser has an output power of
7.8 dBm, more than 60 dB of peak to floor separation and 3 dB
bandwidth of less than 0.08 nm. This fiber laser provides an
inexpensive source for tunable output in the wavelength range from
1480 to 1520 nm.

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