Photonics Research, Volume. 6, Issue 6, 609(2018)
Watt-level and spectrally flat mid-infrared supercontinuum in fluoroindate fibers
Figures & Tables(6)
Fig. 1. (a) Experimental setup of the MIR SC fiber source. PA, pre-amplifier; CMS, cladding mode stripper; DCF, double-clad fiber; SCF, single-clad fiber; ISO, 2 μm optical isolator (Thorlabs, IO-K-2000); L, fiber length. (b) Spectral distribution of the Er/Yb amplifier (blue line), output of the fiber isolator (green line), and the Tm amplifier (black and red lines).
Fig. 2. (a) Spectral distribution of the Tm amplifier (black line) injected into fluoride fibers. The SCs from the 20-m ZBLAN and 20-m
Fig. 3. (a) Spectral distribution at the output of the 20-m long
Fig. 4. (a) 10-dB spectral bandwidth as a function of the SC output power. (b) SC output power as a function of the Tm amplifier output power. (c) Spectral distribution at the output of fluoride fibers. The laser power from the Tm amplifier was fixed to 2.3 W for the three cases presented, and the SC output powers are indicated in parenthesis.
Table 1. Characteristics of Fluoroindate-Fiber-Based SC Laser Sources
a View tableView in ArticleTable 1. Characteristics of Fluoroindate-Fiber-Based SC Laser Sources
a Reference Short Description 20 dB Spectral Range (μm) Average Power (W) [ 11 ]70 fs OPA ( ) injected in 16 μm core fiber 2.6–4.8 0.0001 [ 12 ]Er-ZBLAN fiber amplifier injected in 13.5 μm core fiber 2.5–5.3 0.008 [ 13 ]70 ps OPO ( ) injected in 9 μm core fiber 1.9–5.3 0.008 [ 23 ]100 fs Tm-doped silica fiber laser injected in 7 μm core fibers 1.25–4.2 0.25 [ 6 ]100 ns Tm-doped silica fiber laser injected in 16.7 μm core fibers 1.9–2.4 1.02 [ 24 ]1 ns Er-doped and Tm-doped silica fiber injected in 9 μm core fiber 1.87–3.9 1.4 [ 25 ]35 ps Tm-doped silica fiber injected in 9 μm core fiber 1.7–4.3 1.76 [ 26 ]1 ns Er-doped silica fiber laser injected in 16.7 μm core fibers 1.05–2.65 2.09
Table 2. Fiber Parameters Summary
a View tableView in ArticleTable 2. Fiber Parameters Summary
a Parameter ZBLAN Sample_A Sample_B Core diameter (μm) 8.5 9.5 9 Clad diameter (μm) 125 100 100 ZDW (μm) 1.6 1.9 1.9 NA 0.23 0.3 0.3 Cutoff (μm) 2.4 3.7 3.4 Min. MIR loss (dB/m) 0.003 0.002 0.015 Manufacturer LVF LVF LVF
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Francis Théberge, Nancy Bérubé, Samuel Poulain, Solenn Cozic, Louis-Rafaël Robichaud, Martin Bernier, Réal Vallée, "Watt-level and spectrally flat mid-infrared supercontinuum in fluoroindate fibers," Photonics Res. 6, 609 (2018)
Paper Information
Category: Nonlinear Optics
Received: Feb. 12, 2018
Accepted: Apr. 17, 2018
Published Online: Jul. 2, 2018
The Author Email: Francis Théberge (francis.theberge@drdc-rddc.gc.ca)
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