2020
DOI: 10.1364/ome.393535
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Self-phase modulation and four-wave mixing in a chalcogenide ridge waveguide

Abstract: Third order optical nonlinear effects relying on the instantaneous Kerr effect are investigated in a straight chalcogenide ridge waveguide. The sample consists of a GeSbSe film deposited on a thermally oxidized silicon substrate. Ridge waveguides were processed using photolithography and dry etching techniques. From a 1.1 cm long integrated GeSbSe device, self-phase modulation with a maximum nonlinear phase shift of 2.02 π for a peak power of 15.8 W and four-wave mixing with an external conversion efficiency o… Show more

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Cited by 9 publications
(3 citation statements)
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“…The aim of this paper is to provide a study of photoinduced changes in Ge-Sb-Se chalcogenide thin films which are of particular interest in the field of photonic integrated circuits for their potential application in non-linear optics [12] and optical sensors in midinfrared domain [13,14]. The nominal composition of Ge 25 Sb 10 Se 65 was chosen based on our previous work related to photosensitivity study on this system [15].…”
Section: Introductionmentioning
confidence: 99%
“…The aim of this paper is to provide a study of photoinduced changes in Ge-Sb-Se chalcogenide thin films which are of particular interest in the field of photonic integrated circuits for their potential application in non-linear optics [12] and optical sensors in midinfrared domain [13,14]. The nominal composition of Ge 25 Sb 10 Se 65 was chosen based on our previous work related to photosensitivity study on this system [15].…”
Section: Introductionmentioning
confidence: 99%
“…Their amorphous nature enables them to be both monolithically and heterogeneously integrated with a wide variety of materials at a low deposition temperature, compatible with the COMS back-end process. These remarkable material properties make them a viable platform for future multilayer optical communications systems [14][15][16][17][18][19][20][21][22][23], mid-infrared integrated photonic devices [22,24,25], sensors [26][27][28] and flexible photonic devices [29][30][31][32].…”
Section: Introductionmentioning
confidence: 99%
“…In 2020, Khonina et al [21] presented a significant improvement of the evanescent field ratio in a ridge waveguide modified into a dual hybrid plasmonic waveguide by tapering the middle section of the waveguide and placing a gold layer on both sides with a subwavelength gap. In 2020, Delcourt et al [22] investigated third-order optical nonlinear effects relying on the instantaneous Kerr effect in a straight chalcogenide ridge waveguide.…”
Section: Introductionmentioning
confidence: 99%