Gain flattened L-band EDFA based on upgraded C-band EDFA using forward ASE pumping in an EDF section

Buxens, A.; Poulsen, H.N.; Clausen, A.T.; Jeppesen, P.

doi:10.1049/el:20000630

Cited by 27 publications

(8 citation statements)

References 8 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…In [5], the L-band amplifier consists of a conventional C-band amplifier followed by a length of EDF. An external cavity laser (ECL) provides signal wavelength tunability from 1530 to1620 nm.…”

Section: A Gain Characteristics Of the L-band Edfamentioning

confidence: 99%

“…Since the typical length of an EDF is only of the order of several tens of meters in a C-band EDFA, its nonlinear effect is very small. However, the length of an L-band EDFA is several times that of the C-band EDFA [4], [5] and this long length will lead to the fact that nonlinear effects can no longer be ignored. Recently, four-wave mixing (FWM) [2], [3] and XPM [6] in L-band EDFAs have been observed and investigated.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Reducing pulsewidth broadening in L-band EDFAs by use of a new L-band EDF

Jeppesen

Pálsdóttir

et al. 2001

IEEE Photon. Technol. Lett.

Self Cite

View full text Add to dashboard Cite

Abstract-Due to a small effective area of erbium-doped fiber (EDF), a short pulse will be broadened because of self-phase modulation when it is amplified in an L-band EDF amplifier (EDFA); hence, it is necessary to develop a new EDF with large Er 3+ concentration to reduce the EDF length and a large effective area to reduce the nonlinear effect in the L-band EDFA. In this letter, it will be demonstrated that the pulsewidth can be maintained when a short pulse is amplified in an L-band EDFA consisting of a new L-band EDF.Index Terms-Erbium-doped fiber, L-band erbium-doped fiber amplifier, self-phase modulation, wavelength conversion.

show abstract

Section: A Gain Characteristics Of the L-band Edfamentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Reducing pulsewidth broadening in L-band EDFAs by use of a new L-band EDF

Jeppesen

Pálsdóttir

et al. 2001

IEEE Photon. Technol. Lett.

Self Cite

View full text Add to dashboard Cite

show abstract

“…Many works on L-band fiber amplifiers and fiber lasers have been reported. The work initiated by Masicott et al [1], which demonstrated the possibility of obtaining optical gain in the L-band region, has led to the design of low-noise, broadband, gain-flattened L-band Er 3ϩ -doped fiber (EDF) amplifiers [2,3]. At the same time, tunable L-band fiber lasers, which can be used either as L-band signal sources in a DWDM transmitter or as characterization tools for L-band optical components, are attracting a great deal of interest [4 -7].…”

Section: Introductionmentioning

confidence: 99%

L‐band efficient and wavelength‐tunable Er³⁺/Yb³⁺ co‐doped cladding‐pumped fiber‐ring laser based on fiber‐loop mirror

Fan

Zhang

et al. 2006

Micro & Optical Tech Letters

View full text Add to dashboard Cite

We propose and demonstrate a novel, all-fiber and wavelength tunable Er 3ϩ /Yb 3ϩ co-doped cladding-pumped fiber-ring laser, which utilized amplified spontaneous emission (ASE) as a secondary source so that it can operate in L-band. The lasing threshold can be reduced to 30% by reflecting backward C-band ASE into the same Er 3ϩ / Yb 3ϩ co-doped fiber (EYDF) using a fiber Bragg grating (FBG). By using a two-section high-birefringence fiber-loop mirror (HiBi-FLM) as the tunable wavelength filter, the tuning-wavelength range can be up to 60 nm, from 1559.2 to 1619.4 nm, and the output power excursion of the laser at different wavelengths can be less than 0.2 dB. Figure 1Schematic diagram of the L-band wavelength tunable EYDF ring laser 892 ABSTRACT: On interrogation by a plane wave, the back-scattering efficiency of a nihility sphere is identically zero, and its extinction and forward-scattering efficiencies are higher than those of a perfectly conducting sphere.

show abstract

“…The work initiated by Masicott et al [5] , which demonstrated the possibility of obtaining optical gain in the L-band region, has led to the design of low noise, broadband, gain flattened L-band Er 3+ -doped fiber amplifiers [6,7] . At the same time, a tunable L-band fiber lasers which can be important either as a backup signal source in a wavelength-division multiplexer transmitter or as a characterization tool for L-band optical components are attracting a great deal of interest [8][9][10][11] .…”

Section: Introductionmentioning

confidence: 99%

An efficient and tunable Er³⁺/Yb³⁺co-doped cladding-pumped fiber ring laser operating in L-band

Zhang

Wang

et al. 2005

SPIE Proceedings

View full text Add to dashboard Cite

An efficient and tunable Er 3+ /Yb 3+ co-doped cladding pumped fiber ring laser operating in L-band is demonstrated. Rejecting the amplified spontaneous emission (ASE) of C-band by a fiber Bragg grating (FBG) into the same Er 3+ /Yb 3+ co-doped fiber, the laser can operate in L-band stably. The insertion of the FBG can reduce the lasing threshold, and narrow the 3dB line-width of output laser. Using a two-section high-birefringence fiber loop mirror as a wavelength filter, the output wavelength can be tuned over 40nm range. The lasing threshold is about 48.80mW and the side mode suppression ratio is better than 51dB.

show abstract

Gain flattened L-band EDFA based on upgraded C-band EDFA using forward ASE pumping in an EDF section

Cited by 27 publications

References 8 publications

Reducing pulsewidth broadening in L-band EDFAs by use of a new L-band EDF

Reducing pulsewidth broadening in L-band EDFAs by use of a new L-band EDF

L‐band efficient and wavelength‐tunable Er³⁺/Yb³⁺ co‐doped cladding‐pumped fiber‐ring laser based on fiber‐loop mirror

An efficient and tunable Er³⁺/Yb³⁺co-doped cladding-pumped fiber ring laser operating in L-band

Contact Info

Product

Resources

About

Gain flattened L-band EDFA based on upgraded C-band EDFA using forward ASE pumping in an EDF section

Cited by 27 publications

References 8 publications

Reducing pulsewidth broadening in L-band EDFAs by use of a new L-band EDF

Reducing pulsewidth broadening in L-band EDFAs by use of a new L-band EDF

L‐band efficient and wavelength‐tunable Er3+/Yb3+ co‐doped cladding‐pumped fiber‐ring laser based on fiber‐loop mirror

An efficient and tunable Er3+/Yb3+co-doped cladding-pumped fiber ring laser operating in L-band

Contact Info

Product

Resources

About

L‐band efficient and wavelength‐tunable Er³⁺/Yb³⁺ co‐doped cladding‐pumped fiber‐ring laser based on fiber‐loop mirror

An efficient and tunable Er³⁺/Yb³⁺co-doped cladding-pumped fiber ring laser operating in L-band