Thulium-doped fiber laser utilizing a photonic crystal fiber-based optical low-pass filter with application in 1.7 μm and 1.8 μm band.
Identifieur interne : 000081 ( Main/Exploration ); précédent : 000080; suivant : 000082Thulium-doped fiber laser utilizing a photonic crystal fiber-based optical low-pass filter with application in 1.7 μm and 1.8 μm band.
Auteurs : Siamak Dawazdah Emami ; Amin Khodaei ; Shumithira Gandan ; Richard Penny ; Kok Sing Lim ; Hairul Azhar Abdul-Rashid ; Harith AhmadSource :
- Optics express [ 1094-4087 ] ; 2015.
Abstract
This paper describes a low pass filter based on photonics crystal fiber (PCF) partial ASE suppression, and its application within a 1.7 µm to 1.8 µm band thulium-doped fiber amplifier (TDFA) and a thulium-doped fiber laser (TDFL). The enlargement of air holes around the doped core region of the PCF resulted in a low-pass filter device that was able to attenuate wavelengths above the conventional long cut-off wavelength. These ensuing long cut-off wavelengths were 1.85 μm and 1.75 μm, and enabled a transmission mechanism that possessed a number of desirable characteristics. The proposed optical low-pass filter was applied within a TDFA and TDFL system. Peak spectrum was observed at around 1.9 μm for conventional TDF lasers, while the proposed TDF laser with PCF setup had fiber laser peak wavelengths measured at downshifted values of 1.74 μm and 1.81 μm.
PubMed: 26367625
Affiliations:
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Le document en format XML
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<front><div type="abstract" xml:lang="en">This paper describes a low pass filter based on photonics crystal fiber (PCF) partial ASE suppression, and its application within a 1.7 µm to 1.8 µm band thulium-doped fiber amplifier (TDFA) and a thulium-doped fiber laser (TDFL). The enlargement of air holes around the doped core region of the PCF resulted in a low-pass filter device that was able to attenuate wavelengths above the conventional long cut-off wavelength. These ensuing long cut-off wavelengths were 1.85 μm and 1.75 μm, and enabled a transmission mechanism that possessed a number of desirable characteristics. The proposed optical low-pass filter was applied within a TDFA and TDFL system. Peak spectrum was observed at around 1.9 μm for conventional TDF lasers, while the proposed TDF laser with PCF setup had fiber laser peak wavelengths measured at downshifted values of 1.74 μm and 1.81 μm.</div>
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<tree><noCountry><name sortKey="Abdul Rashid, Hairul Azhar" sort="Abdul Rashid, Hairul Azhar" uniqKey="Abdul Rashid H" first="Hairul Azhar" last="Abdul-Rashid">Hairul Azhar Abdul-Rashid</name>
<name sortKey="Ahmad, Harith" sort="Ahmad, Harith" uniqKey="Ahmad H" first="Harith" last="Ahmad">Harith Ahmad</name>
<name sortKey="Emami, Siamak Dawazdah" sort="Emami, Siamak Dawazdah" uniqKey="Emami S" first="Siamak Dawazdah" last="Emami">Siamak Dawazdah Emami</name>
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<name sortKey="Lim, Kok Sing" sort="Lim, Kok Sing" uniqKey="Lim K" first="Kok Sing" last="Lim">Kok Sing Lim</name>
<name sortKey="Penny, Richard" sort="Penny, Richard" uniqKey="Penny R" first="Richard" last="Penny">Richard Penny</name>
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