Stable single-frequency travelling-wave fiber loop laser with integral saturable absorber based tracking narrowband filter
Cheng, Y., Kringlebotn, J.T., Loh, W.H., Laming, R.I. and Payne, D.N. (1995) Stable single-frequency travelling-wave fiber loop laser with integral saturable absorber based tracking narrowband filter. Optics Letters, 20, (8), 875-877. (doi:10.1364/OL.20.000875).
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We demonstrate stable single-frequency and polarization operation of a travelling-wave Er3+:Yb3+-doped fiber loop laser by incorporating an unpumped Er3+-doped fiber section butted against a narrowband feedback reflector. The saturable absorber acts as a narrow bandpass filter which automatically tracks the lasing wavelength, thus ensuring single-frequency operation. Output powers up to 6.2 mW at 1535 nm were obtained for launched pump powers of 175 mW at 1064 nm. At this output, the RIN was less than -112 dB/Hz at frequencies above 200 kHz and the laser linewidth less than 0.95 kHz whilst the lasing frequency was observed to drift slowly (~ 170 MHz/hr) due to environmental effects.
|Subjects:||T Technology > TK Electrical engineering. Electronics Nuclear engineering
Q Science > QC Physics
|Divisions:||University Structure - Pre August 2011 > Optoelectronics Research Centre
|Date Deposited:||11 Mar 2010|
|Last Modified:||02 Mar 2012 13:45|
|Contributors:||Cheng, Y. (Author)
Kringlebotn, J.T. (Author)
Loh, W.H. (Author)
Laming, R.I. (Author)
Payne, D.N. (Author)
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