Latest Research Highlights
Discover the latest innovations, experiments, and insights from our research teams at OPC, IIT Delhi.
Silicon Photonics
Semiconductor fabrication | Nanophotonics | Radiation-hard photonic devices | High-Speed Modulator | Optical Communication
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Quantum Photonics
Exploring the generation and manipulation of single photons, squeezed light, and entangled photon pairs with quantum dot cavity systems. The other interests include quantum sensing and cavity optomechanics.
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Fiber and Integrated Optical Sensor
The research involves the studies related to optical mode interaction with the environment as well as among themselves. Also has experties in developing photonic sensors and solutions for measuring minute changes in physical parameters.
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Semiconductors and Fiber Photonics Devices (SFPD)
SFPD deals in the area of Design, Fabrication, and Applications of Semiconductors and Specialty Optical Fibers in different domains such as light sources, amplifiers, sensing, spectroscopy, optical communication, and quantum computing.
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Laser Optics and Nonlinear Photonics (LONP)
The group members envisages to explore 'parity-time' symmetry in linear and nonlinear coupled photonic systems with an aim to devise robust, disorder resistant and efficient multifunctional photonic configurations.
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Singular Optics
Current research activities are in the areas of phase and polarization singularities, correlation optics, interferometry, diffractive optics, polarization optics and topological aspects of light fields.
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Computational Optics
Works on novel imaging concepts that use optical design and advanced reconstruction algorithms to realize unprecedented imaging performance, beating traditional limits in terms of resolution, accuracy, imaging speed, field-of-view, etc.
View ResearchList Of Publications
- Full characterization of partially coherent vector vortex beams via generalized Stokes parameters
- Isotropic and anisotropic edge enhancement using a lemon–star polarization dipole
- Modified phase synthesis for a tunable vortex phase plate working on the Alvarez–Lohmann concept
- Tight Focusing of Linear Basis Stokes Singularities with Gaussian Amplitude Distribution
- Superior self-healing properties of generic Poincaré beam
- SU(2) polarization evolution on higher-order Poincar\'e sphere by using general q-plate
- Dual-polarization interferometer using spin-orbit beams
- Holonomically constrained polarization transformation
- Gadget to realize arbitrary polarization transformation on a higher order Poincar\'e sphere
- Composite polarization vortices using Bessel phase engineering
- Influence of CNT–GNP Hybrid Reinforcements on Microstructure and Tribological Properties of ZrB2–SiC Composites Consolidated via Spark Plasma Sintering
- A Cost-Effective 17-Level Single-Source Switched-Capacitor Multilevel Inverter with Low Device Count and High Voltage Gain
- Backscattering-immune Floquet conversion in ring modulators
- in All-Dielectric Apodized One-Dimensional Photonic Crystals
- Stand-off fabrication of heat resistive superhydrophilic silicon using Nd: YAG laser
- Lunar wheel design optimisation
- Non-interferometric measurement of Pancharatnam-Berry phase using stimulated second-harmonic-generation
- All-optical Stern-Gerlach effect in a parity-time anti-symmetric nonlinear refractive medium
- Non-interferometric measurement of geometric phase through stimulated second harmonic generation
- Conceptualization of electrostatic potential: resource theory perspective
- Dispersion-engineered optical fibers for mid-infrared entangled single-photon generation
- Correlation Between Double-Pulse Signal Characteristics and Brillouin Backscatter Spectrum in Optical Fibers
- Hybrid anti-resonant negative-curvature optical fibers
- Optimizing differential mode delay and crosstalk in nested anti-resonant node-less hollow-core fibers for mode-division multiplexing
- Image Enhancement Using Spiral Phase and Computational Imaging
- Phase tomography with axial structured illumination
- Holographic tomography using single phase structured illumination
- Design of a single lens wavefront coded infrared camera
- Fourier transform ghost imaging with complexity-guided phase retrieval
- Polarization entanglement and qubit error rate dependence on the exciton-phonon coupling in self-assembled quantum dots
- Near-perfect molecular absorption enabled by critical coupling in metamaterial
- Position-Tracking-Based GMR Detection Modality
- Combining diffraction efficiency measurements with RCWA for high-precision grating characterization
- Design of Polarization-Independent multilayer dielectric grating to enhance the diffraction efficiency in off-Littrow configuration for spectral beam combining