Researching | Chalcogenide photonic crystal fiber for ultraflat mid-infrared supercontinuum generation

Chinese Optics Letters, Volume. 14, Issue 12, 123201(2016)

Chalcogenide photonic crystal fiber for ultraflat mid-infrared supercontinuum generation

Sandeep Vyas^1、*, Takasumi Tanabe², Manish Tiwari³, and Ghanshyam Singh⁴

Author Affiliations

¹Department of ECE, Vivekananda Institute of Technology (East), Jaipur 303012, India

²Department of EEE, Keio University, Kanagawa 2238521, Japan

³Department of ECE, Manipal University, Jaipur 303007, India

⁴Department of ECE, Malaviya National Institute of Technology, Jaipur 302017, India

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Fig. 1. Structure of the hexagonal PCF.

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Fig. 2. Electric field distribution of the propagating mode at 3.1 μm.

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Fig. 3. Dispersion curves of the proposed Ge11.5As24Se64.5 glass PCFs.

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Fig. 4. Effective area and corresponding nonlinear coefficient.

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Fig. 5. Confinement loss of the propagating mode of the proposed fiber.

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Fig. 6. Spectral escalation of the SC in PCF (spectral intensity in dB, scale bar on the right).

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Fig. 7. Spectra of the SC for different lengths.

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Table 1. Designing Parameters of PCFs
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Table 1. Designing Parameters of PCFs
Chalcogenide crystals ( ${Ge}_{11.5} {As}_{24} {Se}_{64.5}$ ) Rings $Λ_{1}$ $Λ_{2}$ $Λ_{3}$ $Λ_{4}$ $Λ_{5}$ $d_{1} / Λ_{1}$ $d_{2} / Λ_{2}$ $d_{3} / Λ_{3}$ $d_{4} / Λ_{4}$ $d_{5} / Λ_{5}$
PCF 5 2.4 μm 2.5 μm 2.6 μm 2.7 μm 2.8 μm 0.7 0.8 0.8 0.9 0.9

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Sandeep Vyas, Takasumi Tanabe, Manish Tiwari, Ghanshyam Singh. Chalcogenide photonic crystal fiber for ultraflat mid-infrared supercontinuum generation[J]. Chinese Optics Letters, 2016, 14(12): 123201

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Paper Information

Category: Ultrafast Optics

Received: Jun. 1, 2016

Accepted: Oct. 21, 2016

Published Online: Aug. 2, 2018

The Author Email: Sandeep Vyas (vyas.sandeep@vitej.ac.in)

DOI:10.3788/COL201614.123201

Topics

laser devices and laser physics

Lasers and Laser Optics

laser manufacturing

Instrumentation, Measurement and Metrology