Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Radhakant Singh"'
Thin film silicon nitride (75 nm$ of 3dB bandwidth. We present a detailed design strategy, simulation, fabrication and characterization data on the effect of various parameters on the coupling.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3bc8ba2242dba9d57683b2d0815f9346
https://doi.org/10.1364/opticaopen.22194964
https://doi.org/10.1364/opticaopen.22194964
Autor:
Partha Mondal, Venkatachalam P., Radhakant Singh, Sneha Shelwade, Gali Sushma, Shankar K. Selvaraja
We demonstrate the linear and nonlinear characterization of a plasma-enhanced chemical vapor deposited silicon-rich silicon nitride (SRSN) racetrack ring resonator for on-chip applications within the telecommunication wavelength range. The SRSN waveg
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::254337bb2184cf3133a596c21215fde8
Publikováno v:
Optics Letters. 47:4704
We demonstrate an on-chip in-plane polarization independent multi-spectral color filter in the visible to near-infrared wavelength band. We experimentally show a four-channel transmission and in-plane spectral filter characteristics spanning a 400-nm
Publikováno v:
RSC Advances. 8:27946-27955
This work demonstrates the fabrication of chalcogenide microstructures such as gratings, lenses and needles using a lithographically directed, evaporative self-organization of chalcogenide thin liquid films for the first time. Using a two-step anneal
Publikováno v:
Journal of Non-Crystalline Solids. 476:46-51
In this paper, Arsenic sulfide (As 2 S 3 ) and Arsenic selenide (As 2 Se 3 ) chalcogenide thin films are prepared by solution phase spin coating and thermal evaporation technique. Optical properties (band gap and refractive index) and electrical prop
Autor:
Radhakant Singh, Venugopal Rao Soma, Narra Vamsi Krishna, Lingamallu Giribabu, Debasis Swain, Varun Kumar Singh
Publikováno v:
J. Mater. Chem. C. 2:1711-1722
Two novel sterically demanding zinc phthalocyanines were synthesized and characterized. Their optical and electrochemical properties were investigated in detail. The emission spectra were recorded in different solvents and the fluorescence yields obt
Publikováno v:
SPIE Proceedings.
We report design, fabrication and characterization of molded chalcogenide microlens array for Infrared sensing applications. A master of desired microlens array with high sag value is prepared using ultraviolet lithography and thermal reflow method o
Publikováno v:
AIP Conference Proceedings.
Chalcogenide (ChG) are the choice materials for IR applications due to their high refractive index, mid IR transparency and high nonlinear optical properties. In this work, we study the characteristics of solution processed Chalcogenide films, As2S3
Publikováno v:
Journal of Nonlinear Optical Physics & Materials. 26:1750038
We demonstrate the fabrication and nonlinear optical (NLO) characterization of chalcogenide glass thin films obtained from the solution phase driven approach. The characterization of the films was ahieved using FESEM, AFM, micro-Raman, FTIR, UV-Visib