Publications by authors named "Shankar Kumar Selvaraja"

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High-efficiency broadband out-of-plane fiber-to-polymer waveguide grating coupler.
Siddharth Nambiar, Venkatachalam P, Radhakant Singh, Pravin Rawat, Shankar Kumar Selvaraja

Opt Lett· December 2024

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Passive wavelength selective polarization rotator in a hybrid waveguide platform.
Rahul K Dash, Shankar Kumar Selvaraja

Opt Express· April 2024

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Embedded silicon gratings for high-efficiency light-chip coupling to thin film silicon nitride waveguides.
Pravin Rawat, Siddharth Nambiar, P Venkatachalam, Radhakant Singh, Shankar Kumar Selvaraja

Opt Express· August 2023

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Polarization independent grating in a GaN-on-sapphire photonic integrated circuit.
Suraj, Shashwat Rathkanthiwar, Srinivasan Raghavan, Shankar Kumar Selvaraja

Opt Express· July 2023

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Thin-film wafer-scale mid-IR Fabry Perot cavity gas sensor.
Pavithra Rao, Akshay Keloth, Shankar Kumar Selvaraja

Opt Express· March 2023

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Guided mode resonance aided polarization insensitive in-plane spectral filters for an on-chip spectrometer.
Dipak Rout, P Venkatachalam, Radhakant Singh, P Shree Lakshmi, Shankar Kumar Selvaraja

Opt Lett· September 2022

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Polar Semiconducting Scandium Nitride as an Infrared Plasmon and Phonon-Polaritonic Material.
Krishna Chand Maurya, Dheemahi Rao, Shashidhara Acharya, Pavithra Rao, Ashalatha Indiradevi Kamalasanan Pillai, Shankar Kumar Selvaraja

Nano Lett· July 2022

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On-chip silicon nano-slab photodetector integrated wavelength division de-multiplexer in the 850  nm band.
Avijit Chatterjee, Shankar Kumar Selvaraja

Appl Opt· February 2022

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Comprehensive grating enabled silicon nitride fiber-chip couplers in the SNIR wavelength band.
Siddharth Nambiar, Avijit Chatterjee, Shankar Kumar Selvaraja

Opt Express· January 2022

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High-efficiency vertical fibre-to-polymer waveguide coupling scheme for scalable polymer photonic circuits.
Abhai Kumar, Siddharth Nambiar, Rakshitha Kallega, Praveen Ranganath, Priya Ea, Shankar Kumar Selvaraja

Opt Express· March 2021

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Compact ring resonator enhanced silicon metal-semiconductor-metal photodetector in SiN-on-SOI platform.
Avijit Chatterjee, Saumitra Yadav, Sujit Kumar Sikdar, Shankar Kumar Selvaraja

Opt Express· October 2020

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On-chip silicon photonics based grating assisted vibration sensor.
Viphretuo Mere, Aneesh Dash, Rakshitha Kallega, Rudra Pratap, Akshay Naik, Shankar Kumar Selvaraja

Opt Express· September 2020

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Enhanced nonlinear spectral broadening and sub-picosecond pulse generation by adaptive spectral phase optimization of electro-optic frequency combs.
B S Vikram, Roopa Prakash, Shankar Kumar Selvaraja, V R Supradeepa

Opt Express· April 2020

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Microwave power induced resonance shifting of silicon ring modulators for continuously tunable, bandwidth scaled frequency combs.
K P Nagarjun, Piyush Raj, Vadivukkarasi Jeyaselvan, Shankar Kumar Selvaraja, V R Supradeepa

Opt Express· April 2020

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Optical frequency comb based on nonlinear spectral broadening of a phase modulated comb source driven by dual offset locked carriers.
K P Nagarjun, B S Vikram, Roopa Prakash, Ajay Singh, Shankar Kumar Selvaraja

Opt Lett· February 2020

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Broadly tunable and low power penalty radio frequency phase shifter using a coupled silicon microcavity.
Awanish Pandey, Shankar Kumar Selvaraja

Appl Opt· January 2020

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High efficiency DBR assisted grating chirp generators for silicon nitride fiber-chip coupling.
Siddharth Nambiar, Praveen Ranganath, Rakshitha Kallega, Shankar Kumar Selvaraja

Sci Rep· December 2019

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Alignment-tolerant broadband compact taper for low-loss coupling to a silicon-on-insulator photonic wire waveguide.
Purnima Sethi, Shankar Kumar Selvaraja

Appl Opt· August 2019

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High-speed waveguide integrated silicon photodetector on a SiN-SOI platform for short reach datacom.
Avijit Chatterjee, Saumitra, Sujit Kumar Sikdar, Shankar Kumar Selvaraja

Opt Lett· April 2019

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Compact broadband low-loss taper for coupling to a silicon nitride photonic wire.
Purnima Sethi, Rakshitha Kallega, Anubhab Haldar, Shankar Kumar Selvaraja

Opt Lett· July 2018

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Generation of tunable, high repetition rate optical frequency combs using on-chip silicon modulators.
K P Nagarjun, Vadivukarassi Jeyaselvan, Shankar Kumar Selvaraja, V R Supradeepa

Opt Express· April 2018

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Efficient and tunable strip-to-slot fundamental mode coupling.
Viphretuo Mere, Rakshitha Kallega, Shankar Kumar Selvaraja

Opt Express· January 2018

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Tunable coupling-induced resonance splitting in a self-coupled silicon ring cavity with robust spectral characteristics.
Awanish Pandey, Shankar Kumar Selvaraja

Opt Lett· July 2017

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Supercontinuum generation in hydrogenated amorphous silicon waveguides at telecommunication wavelengths.
Jassem Safioui, François Leo, Bart Kuyken, Simon-Pierre Gorza, Shankar Kumar Selvaraja

Opt Express· February 2014

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Silicon-organic hybrid (SOH) IQ modulator using the linear electro-optic effect for transmitting 16QAM at 112 Gbit/s.
Dietmar Korn, Robert Palmer, Hui Yu, Philipp C Schindler, Luca Alloatti, Shankar Kumar Selvaraja

Opt Express· June 2013

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