Near-infrared to ultra-violet frequency conversion in chalcogenide metasurfaces.
Jiannan Gao,Maria Antonietta Vincenti,Jesse A. Frantz,Anthony Clabeau,Xingdu Qiao,Liang Feng,Michael Scalora,Natalia M. Litchinitser +7 more
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TLDR
In this article, a phase locking mechanism between the pump and the inhomogeneous portion of the third harmonic signal is proposed to enable near-infrared to ultraviolet frequency conversion in an As2S3-based metasurface.Abstract:
Chalcogenide photonics offers unique solutions for a broad range of applications from mid-infrared sensing to integrated, ultrafast, ultrahigh-bandwidth signal processing. However, to date its usage has been limited to the infrared part of the electromagnetic spectrum, thus avoiding ultraviolet and visible ranges due to absorption of chalcogenide glasses. Here, we experimentally demonstrate and report near-infrared to ultraviolet frequency conversion in an As2S3-based metasurface, enabled by a phase locking mechanism between the pump and the inhomogeneous portion of the third harmonic signal. Due to the phase locking, the inhomogeneous component co-propagates with the pump pulse and encounters the same effective dispersion as the infrared pump, and thus experiences little or no absorption, consequently opening previously unexploited spectral range for chalcogenide glass science and applications, despite the presence of strong material absorption in this range. The use of chalcogenide glass in optical science and applications at the UV frequencies has been so far hindered by its absorption in this spectral region. Here the authors demonstrate that a nanostructured chalcogenide glass can efficiently generate third harmonic radiation, leading to a strong UV light source at the nanoscale.read more
Citations
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Recent Advances in Tunable Metasurfaces: Materials, Design, and Applications.
Omar A. M. Abdelraouf,Zichen Wang,Hailong Liu,Zhaogang Dong,Qian Wang,Ming Ye,Xiao Renshaw Wang,Qi Jie Wang,Hong Liu +8 more
TL;DR: In this paper , a review of recent advances in tunable metasurfaces in terms of the active materials and tuning mechanisms, design methodologies, and practical applications is presented.
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Soliton Microcombs in Integrated Chalcogenide Microresonators
Di Xia,Zelin Yang,Pingyang Zeng,Bin Zhang,Jiayue Wu,Zifu Wang,Jiaxin Zhao,M. Gao,Yufei Huang,Jianteng Huang,Liyang Luo,Dong Liu,Shuixian Yang,Hairun Guo,Zhaohui Li +14 more
TL;DR: In this paper , a home-developed chalcogenide glasses-Ge25Sb10S65 (GeSbS) for nonlinear photonic integration and for dissipative soliton microcomb generation is presented.
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Integrated Chalcogenide Photonics for Microresonator Soliton Combs
Di Xia,Zelin Yang,Pingyang Zeng,Bin Zhang,Jiayue Wu,Zifu Wang,Jiaxin Zhao,Jianteng Huang,Liyang Luo,Dong Liu,Shuixian Yang,Hairun Guo,Zhaohui Li +12 more
TL;DR: In this article , a chalcogenide glass, Ge25Sb10S65 (GeSbS), is presented for nonlinear photonic integration and for dissipative soliton microcomb generation.
Journal ArticleDOI
The past, present and future of photonic glasses: A review in homage to the United Nations International Year of Glass 2022
Wilfried Blanc,Yong Gyu Choi,Xianghua Zhang,Marcelo Nalin,Kathleen Richardson,Giancarlo C. Righini,Maurizio Ferrari,Animesh Jha,Jonathan Massera,Shibin Jiang,John Ballato,Laeticia Petit +11 more
TL;DR: A review of the past, present, and future of photonic glasses can be found in this article , where the authors pay homage to the United Nations International Year of Glass 2022.
Journal ArticleDOI
All-optical tunable wavelength conversion in opaque nonlinear nanostructures
Jian Xun Gao,Maria Antonietta Vincenti,Jesse A. Frantz,Anthony Clabeau,Xingdu Qiao,Liang Feng,Michael Scalora,Natalia M. Litchinitser +7 more
TL;DR: In this paper , a femtosecond-scale wavelength tunable, subwavelength-thick nanostructure that performs efficient wavelength conversion from the infrared to the ultraviolet was demonstrated.
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