Zobrazeno 1 - 10
of 41
pro vyhledávání: '"Rabindra Biswas"'
Autor:
Suman Chatterjee, Medha Dandu, Pushkar Dasika, Rabindra Biswas, Sarthak Das, Kenji Watanabe, Takashi Taniguchi, Varun Raghunathan, Kausik Majumdar
Publikováno v:
Nature Communications, Vol 14, Iss 1, Pp 1-8 (2023)
Abstract Excitonic states trapped in harmonic moiré wells of twisted heterobilayers is an intriguing testbed for exploring many-body physics. However, the moiré potential is primarily governed by the twist angle, and its dynamic tuning remains a ch
Externí odkaz:
https://doaj.org/article/31915bf33f354051a850861329de6368
Publikováno v:
APL Photonics, Vol 8, Iss 8, Pp 086109-086109-11 (2023)
In this work, we report single- and two-photon absorption (TPA) induced transmission and resonance modulation in a multilayer gallium selenide (GaSe) integrated silicon nitride (Si3N4) waveguide and ring resonator operating in the 700–800 nm wavele
Externí odkaz:
https://doaj.org/article/ce2f0ca48c6944a3a701c4c43c5ffe22
Autor:
Rabindra Biswas, Medha Dandu, Asish Prosad, Sarthak Das, Sruti Menon, Jayanta Deka, Kausik Majumdar, Varun Raghunathan
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
Abstract We report strong second-harmonic generation (SHG) from 2H polytype of multilayer Tin diselenide (SnSe2) for fundamental excitation close to the indirect band-edge in the absence of excitonic resonances. Comparison of SHG and Raman spectra fr
Externí odkaz:
https://doaj.org/article/75e7cd6c58814a85a9cebf9cb2bfe7c0
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
Abstract Piezoelectric response in two-dimensional (2D) materials has evoked immense interest in using them for various applications involving electromechanical coupling. In most of the 2D materials, piezoelectricity is coupled along the in-plane dir
Externí odkaz:
https://doaj.org/article/8304f865d8634d97943ecd308181dc64
Publikováno v:
Micromachines, Vol 11, Iss 4, p 449 (2020)
Nonlinear optics is an important area of photonics research for realizing active optical functionalities such as light emission, frequency conversion, and ultrafast optical switching for applications in optical communication, material processing, pre
Externí odkaz:
https://doaj.org/article/51c01ac3e1f54979b6ff157b75d66f49
Publikováno v:
Nanophotonics. 12:29-42
The integration of two-dimensional (2D) materials with resonant photonic structures is seen as a promising direction for enhancing its nonlinear optical response. The design of such heterogeneous resonant structures has often relied on multi-paramete
Autor:
Ramesh Rajarapu, Prahalad Kanti Barman, Renu Yadav, Rabindra Biswas, Manikandan Devaraj, Saroj Poudyal, Bubunu Biswal, Vijay Laxmi, Gopal K. Pradhan, Varun Raghunathan, Pramoda K. Nayak, Abhishek Misra
Publikováno v:
ACS Nano. 16:21366-21376
Publikováno v:
Advanced Optical Materials.
Publikováno v:
2D Photonic Materials and Devices VI.
Publikováno v:
2D Photonic Materials and Devices VI.