CA2478314A1 - Amplifiers and light sources employing s-band erbium-doped fiber and l-band thulium-doped fiber with distributed suppression of amplified spontaneous emission (ase) - Google Patents
Amplifiers and light sources employing s-band erbium-doped fiber and l-band thulium-doped fiber with distributed suppression of amplified spontaneous emission (ase) Download PDFInfo
- Publication number
- CA2478314A1 CA2478314A1 CA002478314A CA2478314A CA2478314A1 CA 2478314 A1 CA2478314 A1 CA 2478314A1 CA 002478314 A CA002478314 A CA 002478314A CA 2478314 A CA2478314 A CA 2478314A CA 2478314 A1 CA2478314 A1 CA 2478314A1
- Authority
- CA
- Canada
- Prior art keywords
- cladding
- section
- core
- band
- fiber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 239000000835 fiber Substances 0.000 title claims abstract description 441
- 230000001629 suppression Effects 0.000 title abstract description 15
- 230000002269 spontaneous effect Effects 0.000 title description 22
- 238000005253 cladding Methods 0.000 claims abstract description 401
- 230000000994 depressogenic effect Effects 0.000 claims abstract description 123
- 239000011149 active material Substances 0.000 claims abstract description 40
- 238000000034 method Methods 0.000 claims description 91
- 230000005855 radiation Effects 0.000 claims description 71
- 239000000463 material Substances 0.000 claims description 54
- 238000010168 coupling process Methods 0.000 claims description 53
- 238000005859 coupling reaction Methods 0.000 claims description 53
- 229910052691 Erbium Inorganic materials 0.000 claims description 51
- 230000008878 coupling Effects 0.000 claims description 51
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 claims description 46
- 238000005086 pumping Methods 0.000 claims description 34
- 239000011521 glass Substances 0.000 claims description 27
- 230000003287 optical effect Effects 0.000 claims description 25
- 230000007246 mechanism Effects 0.000 claims description 22
- 229910052775 Thulium Inorganic materials 0.000 claims description 21
- 238000001228 spectrum Methods 0.000 claims description 19
- 239000011358 absorbing material Substances 0.000 claims description 10
- 238000010899 nucleation Methods 0.000 claims description 10
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 8
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 7
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 6
- 230000008713 feedback mechanism Effects 0.000 claims description 6
- 239000011574 phosphorus Substances 0.000 claims description 6
- 229910052698 phosphorus Inorganic materials 0.000 claims description 6
- 230000001747 exhibiting effect Effects 0.000 claims description 4
- 239000004065 semiconductor Substances 0.000 claims description 3
- 238000003491 array Methods 0.000 claims description 2
- 238000000295 emission spectrum Methods 0.000 description 38
- 230000003321 amplification Effects 0.000 description 21
- 238000003199 nucleic acid amplification method Methods 0.000 description 21
- 230000006870 function Effects 0.000 description 20
- 238000010586 diagram Methods 0.000 description 18
- 238000012360 testing method Methods 0.000 description 17
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 15
- 230000000694 effects Effects 0.000 description 15
- 230000008569 process Effects 0.000 description 15
- -1 Erbium ions Chemical class 0.000 description 14
- 238000010521 absorption reaction Methods 0.000 description 13
- 239000002019 doping agent Substances 0.000 description 13
- 150000002500 ions Chemical class 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 13
- 238000013459 approach Methods 0.000 description 11
- 230000008901 benefit Effects 0.000 description 9
- 238000013461 design Methods 0.000 description 8
- 238000009826 distribution Methods 0.000 description 8
- 230000001902 propagating effect Effects 0.000 description 8
- 238000005452 bending Methods 0.000 description 7
- 230000010287 polarization Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 230000036961 partial effect Effects 0.000 description 6
- 230000003595 spectral effect Effects 0.000 description 6
- FRNOGLGSGLTDKL-UHFFFAOYSA-N thulium atom Chemical compound [Tm] FRNOGLGSGLTDKL-UHFFFAOYSA-N 0.000 description 6
- 239000000377 silicon dioxide Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 239000013307 optical fiber Substances 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 4
- 230000002829 reductive effect Effects 0.000 description 4
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 3
- 229910052779 Neodymium Inorganic materials 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 239000005350 fused silica glass Substances 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- 230000009897 systematic effect Effects 0.000 description 3
- UIAFKZKHHVMJGS-UHFFFAOYSA-N 2,4-dihydroxybenzoic acid Chemical compound OC(=O)C1=CC=C(O)C=C1O UIAFKZKHHVMJGS-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 2
- 238000001069 Raman spectroscopy Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 2
- 230000003466 anti-cipated effect Effects 0.000 description 2
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000002189 fluorescence spectrum Methods 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 238000010348 incorporation Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 241001436672 Bhatia Species 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 230000018199 S phase Effects 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- 238000000862 absorption spectrum Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000003190 augmentative effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000012407 engineering method Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000009022 nonlinear effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 238000003325 tomography Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06754—Fibre amplifiers
- H01S3/06758—Tandem amplifiers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S2301/00—Functional characteristics
- H01S2301/02—ASE (amplified spontaneous emission), noise; Reduction thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
- H01S3/06712—Polarising fibre; Polariser
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
- H01S3/06716—Fibre compositions or doping with active elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
- H01S3/0672—Non-uniform radial doping
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
- H01S3/06729—Peculiar transverse fibre profile
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06754—Fibre amplifiers
- H01S3/06762—Fibre amplifiers having a specific amplification band
- H01S3/06766—C-band amplifiers, i.e. amplification in the range of about 1530 nm to 1560 nm
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06754—Fibre amplifiers
- H01S3/06762—Fibre amplifiers having a specific amplification band
- H01S3/0677—L-band amplifiers, i.e. amplification in the range of about 1560 nm to 1610 nm
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06754—Fibre amplifiers
- H01S3/06762—Fibre amplifiers having a specific amplification band
- H01S3/06775—S-band amplifiers, i.e. amplification in the range of about 1450 nm to 1530 nm
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
- H01S3/16—Solid materials
- H01S3/1601—Solid materials characterised by an active (lasing) ion
- H01S3/1603—Solid materials characterised by an active (lasing) ion rare earth
- H01S3/1608—Solid materials characterised by an active (lasing) ion rare earth erbium
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
- H01S3/16—Solid materials
- H01S3/1601—Solid materials characterised by an active (lasing) ion
- H01S3/1603—Solid materials characterised by an active (lasing) ion rare earth
- H01S3/1616—Solid materials characterised by an active (lasing) ion rare earth thulium
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Lasers (AREA)
Applications Claiming Priority (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/095,303 | 2002-03-08 | ||
| US10/095,303 US6909538B2 (en) | 2002-03-08 | 2002-03-08 | Fiber amplifiers with depressed cladding and their uses in Er-doped fiber amplifiers for the S-band |
| US10/163,557 US6970631B2 (en) | 2002-06-05 | 2002-06-05 | Suppression of cladding mode loss in fiber amplifiers with distributed suppression of amplified spontaneous emission (ASE) |
| US10/163,557 | 2002-06-05 | ||
| US10/194,680 | 2002-07-12 | ||
| US10/194,680 US6844962B2 (en) | 2002-03-08 | 2002-07-12 | S-band light sources using erbium-doped fiber with depressed cladding |
| US10/348,802 | 2003-01-21 | ||
| US10/348,802 US6995900B2 (en) | 2003-01-21 | 2003-01-21 | Method of making a short-pass fiber with controlled cut-off wavelength |
| PCT/US2003/006971 WO2003077381A2 (en) | 2002-03-08 | 2003-03-07 | Amplifiers and light sources employing s-band erbium-doped fiber and l-band thulium-doped fiber with distributed suppression of amplified spontaneous emission (ase) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2478314A1 true CA2478314A1 (en) | 2003-09-18 |
Family
ID=27808765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002478314A Abandoned CA2478314A1 (en) | 2002-03-08 | 2003-03-07 | Amplifiers and light sources employing s-band erbium-doped fiber and l-band thulium-doped fiber with distributed suppression of amplified spontaneous emission (ase) |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1488482A4 (de) |
| JP (1) | JP2005520326A (de) |
| AU (1) | AU2003217981A1 (de) |
| CA (1) | CA2478314A1 (de) |
| WO (1) | WO2003077381A2 (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1317600C (zh) * | 2003-12-30 | 2007-05-23 | 武汉光迅科技股份有限公司 | 用自发辐射光源为辅助泵浦的增益位移型掺铥光纤放大器 |
| FI20045308A (fi) * | 2004-08-26 | 2006-02-27 | Corelase Oy | Optinen kuituvahvistin, jossa on vahvistuksen muotoerottelu |
| EP1744189A1 (de) * | 2005-07-14 | 2007-01-17 | TRUMPF Laser GmbH + Co. KG | Hochleistungslichtleiter mit Streuzentren |
| GB2517322B (en) * | 2009-05-27 | 2016-02-24 | Silixa Ltd | Apparatus for optical sensing |
| KR101386108B1 (ko) | 2013-05-31 | 2014-04-16 | 광주과학기술원 | 광섬유를 이용한 광 증폭기 |
| US20210296844A1 (en) * | 2018-08-30 | 2021-09-23 | Ofs Fitel, Llc | Wide gain bandwidth c-band optical fiber amplifier |
| RU206388U1 (ru) * | 2020-12-29 | 2021-09-08 | федеральное государственное бюджетное образовательное учреждение высшего образования "Московский государственный технический университет имени Н.Э. Баумана (национальный исследовательский университет)" (МГТУ им. Н.Э. Баумана) | Волоконный тулиевый усилитель мощности ультракоротких импульсов на длине волны 1,9 мкм |
| CN114779394B (zh) * | 2022-06-17 | 2022-12-02 | 武汉华锐超快光纤激光技术有限公司 | 正常色散掺铥单模光纤及其制备方法、激光器 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8724736D0 (en) * | 1987-10-22 | 1987-11-25 | British Telecomm | Optical fibre |
| GB9625231D0 (en) * | 1996-12-04 | 1997-01-22 | Univ Southampton | Optical amplifiers & lasers |
| US5892615A (en) * | 1997-03-17 | 1999-04-06 | Sdl, Inc. | Output power enhancement in optical fiber lasers |
| US5852690A (en) * | 1997-06-30 | 1998-12-22 | Minnesota Mining And Manufacturing Company | Depressed cladding fiber design for reducing coupling to cladding modes in fiber gratings |
| GB9914549D0 (en) * | 1999-06-23 | 1999-08-25 | Univ Leeds | A wide band optical amplifier |
| WO2001050639A2 (fr) * | 1999-12-30 | 2001-07-12 | Alcatel | Procede de transmission de signaux a l'aide de fibres optiques et fibre pour la mise en oeuvre de ce procede |
| WO2001069734A1 (en) * | 2000-03-10 | 2001-09-20 | Corning Incorporated | Optical fiber with absorbing overclad glass layer |
| US6721092B2 (en) * | 2001-02-21 | 2004-04-13 | Nippon Telegraph And Telephone Corporation | Thulium-doped fiber amplifier using pump light for improving conversion efficiency in S-band |
| US6636675B2 (en) * | 2001-03-12 | 2003-10-21 | Verrillon, Inc. | Optical fiber with reduced cladding-mode loss |
-
2003
- 2003-03-07 WO PCT/US2003/006971 patent/WO2003077381A2/en active Application Filing
- 2003-03-07 EP EP03713958A patent/EP1488482A4/de not_active Withdrawn
- 2003-03-07 CA CA002478314A patent/CA2478314A1/en not_active Abandoned
- 2003-03-07 AU AU2003217981A patent/AU2003217981A1/en not_active Abandoned
- 2003-03-07 JP JP2003575476A patent/JP2005520326A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP1488482A2 (de) | 2004-12-22 |
| AU2003217981A1 (en) | 2003-09-22 |
| AU2003217981A8 (en) | 2003-09-22 |
| JP2005520326A (ja) | 2005-07-07 |
| WO2003077381A3 (en) | 2004-08-19 |
| EP1488482A4 (de) | 2005-11-23 |
| WO2003077381A2 (en) | 2003-09-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |