2010
DOI: 10.1007/s00340-010-4320-3
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Multiwavelength L-band fiber laser with bismuth-oxide EDF and photonic crystal fiber

Abstract: A multiwavelength laser comb using a bismuth-based erbium-doped fiber and 50 m photonic crystal fiber is demonstrated in a ring cavity configuration. The fiber laser is solely pumped by a single 1455 nm Raman pump laser to exploit its higher power delivery compared to that of a single-mode laser diode pump. At 264 mW Raman pump power and 1 mW Brillouin pump power, 38 output channels in the L-band have been realized with an optical signal-tonoise ratio above 15 dB and a Stokes line spacing of 0.08 nm. The laser… Show more

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Cited by 11 publications
(5 citation statements)
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“…In comparison to other works, the 55 lasing lines depicted in figure 3 is the highest number of Brillouin Stokes lines obtained by using only a 2.15 m long Bi-EDF and applying a pump power of only 2 × 120 mW [14,15,[24][25][26]. The number of Stokes lines generated out of the ASE (free-running) region is about 18.…”
Section: Resultsmentioning
confidence: 69%
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“…In comparison to other works, the 55 lasing lines depicted in figure 3 is the highest number of Brillouin Stokes lines obtained by using only a 2.15 m long Bi-EDF and applying a pump power of only 2 × 120 mW [14,15,[24][25][26]. The number of Stokes lines generated out of the ASE (free-running) region is about 18.…”
Section: Resultsmentioning
confidence: 69%
“…The highest lasing power in the ASE is about −24 dB m at 1570.78 nm. It is expected that by emitting BP with a wavelength close to 1570.78 nm, the maximum number of Stokes lines can be generated according to the method used in MBEFL generation [14,15,[23][24][25][26][27]. Generally, in MBEFL systems, the number of Brillouin Stokes lines is reduced when the BP wavelength is detuned away from the effective ASE wavelength range due to the decrement of erbium gain in this region in the cavity.…”
Section: Resultsmentioning
confidence: 99%
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“…The simplicity, cost-effectiveness, immunity to electromagnetic interference, and seamless integration into optical communication systems make these lasers highly favored. However, amplifiers and lasers based on erbium-doped fiber (EDF) face a limitation due to strong mode competition in closely spaced wavelengths caused by the homogeneously broadened linewidth of EDF [7]. A laser cavity might be modified to incorporate nonlinear effects such as nonlinear polarization rotation (NPR) [8], four-wave mixing, or nonlinear amplifier loop mirror to further reduce wavelength competition and provide high-stability dual-wavelength operating in an EDFL.…”
Section: Introductionmentioning
confidence: 99%
“…In these systems, the shortest-wavelength channel is most depleted as it can pump many channels simultaneously as long as the wavelength difference is within the bandwidth of the Raman gain [22]. Recently, among all non-silica fibers with large nonlinearities, fibers based on bismuth oxide (Bi 2 O 3 ) have attracted considerable attention in recent years for applications related to nonlinear fiber optics [23][24][25][26][27].…”
Section: Introductionmentioning
confidence: 99%