Chalcogenide photonic crystal fiber for ultraflat mid-infrared supercontinuum generation

Sandeep Vyas; Takasumi Tanabe; Manish Tiwari; Ghanshyam Singh

doi:doi:10.3788/COL201614.123201

Chinese Optics Letters, 2016, 14 (12): 123201, Published Online: Aug. 2, 2018

Chalcogenide photonic crystal fiber for ultraflat mid-infrared supercontinuum generation Download： 1154次

Sandeep Vyas ^1,*Takasumi Tanabe ²Manish Tiwari ³Ghanshyam Singh ⁴

Author Affiliations

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

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

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

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

320.6629 Supercontinuum generation 000.4430 Numerical approximation and analysis 060.4370 Nonlinear optics, fibers 160.4330 Nonlinear optical materials 260.2030 Dispersion

Abstract

In this Letter, we numerically simulate the generation of a 1–15 μm mid-infrared supercontinuum (SC) from a highly nonlinear Ge11.5As24Se64.5-based photonic crystal fiber (PCF). This ultra-broadband SC is achieved in a 100 mm long PCF pumped using 85 fs laser pulses operated at 3.1 μm and a peak pulse power of 3 kW. The proposed design offers a flat dispersion profile with two zero dispersion wavelengths. This broad and flat dispersion profile of the Ge11.5As24Se64.5 PCF, combined with the high nonlinearity (2474 W 1 km 1), generates an ultra-broadband SC.

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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.

Chalcogenide photonic crystal fiber for ultraflat mid-infrared supercontinuum generation Download： 1154次

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