Publications in 2016

Quasiperiodic air hole arrays for broadband and omnidirectional suppression of reflection
Anuradha Patra, Ajith P. Ravishankar, Arvind Nagarajan, Somendu Maurya, and Venu Gopal Achanta, J. Appl. Phys. 119, 113107 (2016) link here

Multi-channel programmable power supply with temperature compensation for Silicon sensors
Raghunandan Shukla, Venu Gopal Achanta, Shashikant Dugad, James Freeman, Chandrashekhar Garde, Sunil Gupta, Prasad Khandekar, Akhil Kurup, Sarrah Lokhandwala, Sergey Los, S.S. Prabhu, and Pankaj Rakshe, Rev. Sci. Instruments 87, 015114 (2016) link here

Observation of giant Goos-hanchen and angular shifts at designed interfaces
V. J. Yallapragada, A. P. Ravishankar, G. J. Mulay, G. S. Agarwal, and V. G. Achanta, Sci. Rep. 6, 19319 (2016) link here

Broadband linear and nonlinear optical response of plasmonic quasicrystals
A. P. Ravishankar, V. J. Yallapragada, S. Kasture, A. Nagarajan, and V. G. Achanta, Opt. Comm. 366, 57-60 (2016). link here


Publications in 2015

Photonic crystals with plasmonic patterns: novel type of the heterostructures for enhanced magneto-optical activity
N. E. Khokhlov, A. R. Prokopov, A. N. Shaposhnikov, V. N. Berzhansky, M. A. Kozhaev, S. N. Andreev, Ajith P. Ravishankar, Venu Gopal Achanta, D. A. Bykov, A. K. Zvezdin, V. I. Belotelov, J. Phys. D: Appl. Phys. 48 095001 (2015). link here

Plasmonic Quasicrystals
Venu Gopal Achanta, Prog. Quant. Electron. 39, 1-23 (2015). link here

Influence of lead and cadmium fluoride variation on white light emission characteristics in oxyfluoride glasses and glass ceramics
Gopi Sharma, Ruchika Bagga, Nancy Mahendru, Mauro Falconieri, Venu Gopal Achanta, Ashutosh Goel, Shaik Nayab Rasool, Navooru Vijaya, Journal of Luminescence 159, 38-46 (2015). link here

Publications in 2014

Transformation of mode polarization in gyrotropic plasmonic waveguides
A.N. Kalish, D.O. Ignatyeva, V.I. Belotelov, L.E. Kreilkamp, I.A. Akimov, Achanta Venu Gopal, M. Bayer, A.P. Sukhorukov, Laser Phys. 24, 094006(2014). link here

Optical properties of serrated GaN nanowires
Anuradha Patra, Zheng Ma, Latika Menon, and Achanta Venu Gopal, Opt. Mat. Express. 4, 1373 (2014). link here

Plasmonic quasicrystals with broadband transmission enhancement
Sachin Kasture, Ajith P R, V J Yallapragada, Raj Patil, Nikesh V. V., Gajendra Mulay, and Achanta Venu Gopal, Sci. Rep. 4, 5257 (2014). link here

Optical reflectionless potentials for broadband, omnidirectional antireflection
L. V. Thekkekara, Achanta Venu Gopal, and S. Dutta Gupta, Opt. Express 22, 17382 (2014). link here

A micron resolution optical scanner for characterization of silicon detectors
R. A. Shukla, S. R. Dugad, C. S. Garde, Achanta Venu Gopal, S. K. Gupta, and S. S. Prabhu, Rev. Sci. Instrum. 85, 023301 (2014).link here

Photonic-crystal-based polarization selector for planar architectures
Richa Goel, A. Tulapurkar, and Achanta Venu Gopal, J. Nanophoton. 8, 083891 (2014).link here

Fabrication of large-area two-dimensional array of air holes with different hole shapes for optical and terahertz wavelength regions
Raj Patil, S. Lan, and Achanta Venu Gopal, J. Nanophoton. 8, 083896 (2014).link here

Magnetophotonic intensity effects in hybrid metal-dielectric structures
V. I. Belotelov, L. E. Kreilkamp, A. N. Kalish, I. A. Akimov, D. A. Bykov, S. Kasture, V. J. Yallapragada, Achanta Venu Gopal, A. M. Grishin, S. I. Khartsev, M. Nur-E-Alam, M. Vasiliev, L. L. Doskolovich, D. R. Yakovlev, K. Alameh, A. K. Zvezdin, and M. Bayer, Phys. Rev. B 89, 045118 (2014).link here

Publications in 2013

Nanostructured materials for photonics and plasmonics
Achanta Venu Gopal, KIRAN Bull. Indian Laser Assoc. 24(3), 30-33 (2013).

Polarization dependent color switching by extra-ordinary transmission in H-slit plamsonic metasurface
P. Mandal, S. Anantha Ramakrishna, Raj Patil, and Achanta Venu Gopal, J. Appl.Phys. 114, 224303 (2013).link here

Physical, optical and nonlinear properties of InS single crystal
Pallavi Kushwaha, Anuradha Patra, E. Anjali, Harshad Surdi, C. Gurada, S. Ramakrishnan, S. S. Prabhu, Achanta Venu Gopal, and A. Thamizhavel, Opt. Materials 36, 616-620 (2014).link here

Luminescence study of mixed valence Eu-doped nanocrystalline glass-ceramics
R. Bagga, Venu Gopal Achanta, A. Goel, J. M. F. Ferreira, N. P. Singh, D. P. Singh, V. Contini, M. Falconieri, and G. Sharma, Opt. Materials 36, 198-206 (2013).link here

Strong localization of terahertz wave and significant enhancement in electric field achieved in U-shaped resonators with a large aspect ratio
Rong-Rong Lin, Ye-Bin Xu, Hai-Ying Liu, Sheng Lan, and Achanta Venu Gopal, Appl. Phys. Lett. 103, 123505 (2013).link here

Tuning of the transverse magneto-optical Kerr effect in magnetoplasmonic crystals
M. Pohl, L.E.Kreilkamp, V.I. Belotelov, I.A. Akimov, A.N. Kalish, N.E. Khokhlov, V.J. Yallapragada, Achanta Venu Gopal, M. Nur-E-Alam, M. Vasiliev, D.R. Yakovlev, K. Alameh, A.K. Zvezdin and M. Bayer, New Journal of Physics 15, 075024 (2013). link here

Plasmon-mediated magneto-optical transparency
V. I. Belotelov, L. E. Kreilkamp, I. A. Akimov, A. N. Kalish, D. A. Bykov, S. Kasture, V. J. Yallapragada, Achanta Venu Gopal, A. M. Grishin, S. I. Khartsev, M. Nur-E-Alam, M. Vasiliev, L. L. Doskolovich, D. R. Yakovlev, K. Alameh, A. K. Zvezdin, and M. Bayer, Nature Commun. 4:2128 (2013).link here

Nonlinearity induced critical coupling
K. Nireekshan Reddy, Achanta Venu Gopal, and S. Dutta Gupta, Opt. lett. 38, 2517 (2013).link here

Strong coupling of in-plane propagating plasmon modes and their control
S. Kasture, P. Mandal, S. Dutta Gupta, Achanta Venu Gopal, Opt. Express 21, 13187-13192 (2013).link here

Goos-Hänchen shifts in harmonic generation from metals
V. J. Yallapragada, Achanta Venu Gopal, G. S. Agarwal, Opt. Express, 21 Issue 9, pp.10878-10885 (2013).link here

Semiconductor waveguide circuit for coupling an InGaAs quantum dot spin to a path encoded photon
I. J. Luxmoore, N. A. Wasley, A. J. Ramsay, A. C. T. Thijssen, R. Oulton, M. Hugues, S. Kasture, Achanta Venu Gopal, A. M. Fox, M. S. Skolnick, Phys. Rev. Letts. 110 037402 (2013).link here

Efficient three-photon luminescence with strong polarization dependence from a scintillating silicate glass co-doped with Gd3+ and Tb3+
G-C. Li, C-Y. Zhang, H-D. Deng, G-Y. Liu, S. Lan, Q. Qian, Z-M. Yang, and Achanta Venu Gopal, Opt. Expr. 21, 6020 (2013).link here

Dy3+ -doped nano-glass ceramics comprising NaAlSiO4 and NaY9Si6O26 nanocrystals for white light generation
R. Bagga, Achanta Venu Gopal, A. Goel, J. M. F. Ferreira, N. P. Singh, D. P. Singh, M. Falconieri, and G. Sharma, Mat. Sci. Engn. B 178, 218 (2013).link here

Structural and optical investigation of rare earth doped oxyfluoride glasses
R. Bagga, M. Falconieri, Achanta Venu Gopal, J. M. F. Ferreira, A. Goel, N. P. Singh, N. Sharma, and G. Sharma, Trans. Indi. Ceramic Soc. 72:1, 18 (2013).link here

Publications in 2012

Near Dispersion-less surface plasmon polariton resonances at a metal-dielectric interface with patterned dielectric on top
S. Kasture, P. Mandal, A. Singh, A. Ramsay, A. S. Vengurlekar, S. Dutta Gupta, V. Belotelov, Achanta Venu Gopal, Appl. Phys. Lett. 101, 091602 (2012). link here

Studying periodic nanostructures by probing the in-sample optical far-field using coherent phonons
C. Bruggemann, J. Jager, B. A. Galvin, V. I. Belotelov, I. A. Akimov, S. Kasture, Achanta Venu Gopal, A. S. Vengurlekar, D. R. Yakovlev, A. V. Akimov, and M. Bayer, Appl. Phys. Letts. 101, 243117 (2012).link here

Coherent perfect absorption mediated anomalous refelction and refraction
S. Dutta-Gupta, R. Deshmukh, Achanta Venu Gopal, O. F. J. Martin, and S. Dutta Gupta, Opt. Lett. 37, 4452 (2012).

Proximity error correction method for continuous moving stage electron beam writing
S. Kasture, Nikesh V.V., Gajendra Mulay, Achanta Venu Gopal, J. Vac. Sci. Technol. B 30, 050602 (2012). link here

Modulation of a surface plasmon-polariton resonance by subterahertz diffracted coherent phonons
C. Bruggemann, A. V. Akimov, B. A. Glavin, V. I. Belotelov,I. A. Akimov, J. Jager, S. Kasture, Achanta Venu Gopal, A. S. Vengurlekar, D. R. Yakovlev, A. J. Kent, and M. Bayer, Phys. Rev. B 86, 121401R (2012)

Plasmonic crystals for ultrafast nanophotonics: optical switching of surface plasmon polaritons
M. Pohl, V. I. Belotelov, I. A. Akimov, A. S. Vengurlekar, A. V. Gopal, A. K. Zvezdin, D. R. Yokovlev, M. Bayer, Phys. Rev. B. 85, 081401(R) (2012).

Fabry-Perot plasmonic structures for nanophotonics
V. I. Belotelov, A. N. Kalish, A. K. Zvezdin, Achanta Venu Gopal, A. S. Vengurlekar, J. Opt. Soc. Am. B 29, 294 (2012).

High spatial frequency periodic structures induced on metal surface by femtosecond laser pulses
J.-W. Yao, C.-Y. Zhang, H.-Y. Liu, Q-F. Dai, L.-J. Wu, S. Lan, Achanta Venu Gopal, V. A. Trofimov, T. M. Lysak, Opt. Expr. 20, 905 (2012).

Publications in 2011

Femtosecond laser micromachining of ZnO nanorods for efficient two-photon-pumped random lasing and optical data storage
Zhi-Cheng Fu, Jun Dai, Tao Li, Hai-Ying Liu, Qiao-Feng Dai, Li-Jun Wu, Sheng Lan, Xia Wan, Shao-Long Tie, Achanta Venu Gopal, Vyacheslav A. Trofimov, and Tatiana M. Lysak ---Appl. Phys. B (Published Online 26th November 2011).

Assembling of three-dimensional crystals by controlling the effective Soret coefficient”, Hai-Dong Deng
Ting Sun, Zhi-Cheng Fu, Hai-Ying Liu, Qiao-Feng Dai, Li-Jun Wu, Sheng Lan, and Achanta Venu Gopal, Opt. Expr. 20, 9616 (2012).

Intensity magnetooptical effect in magentoplasmonic crystals
V. I. Belotelov, I.A. Akimov, M. Pohl, A. N. Kalish, S. Kasture, A. S. Vengurlekar, Achanta Venu Gopal, V. A. Kotov, D. Yakovlev, A. K. Zvezdin, and M. Bayer, J. Phys: Conf. Series 303, 012038 (2011).

Effect of detuning on the phonon induced dephasing of optically driven InGaAs/GaAs quantum dots
A. J. Ramsay, T. M. Godden, S. J. Boyle, E. M. Gauger, A. Nazir, B. W. Lovett, Achanta Venu Gopal, A. M. Fox, and M. S. Skolnick, J. Appl. Phys. 109, 102415 (2011).

Plasmon assisted intense blue-green emission from ZnO/ZnS nanocrystallites
P. Mandal, Amandev Singh, Sachin Kasture, Achanta Venu Gopal, A. S. Vengurlekar, Opt. Mat.33,1786(2011)

Enhanced magneto-optical effects in magnetoplasmonic crystals
V.I. Belotelov, I.A. Akimov, M. Pohl, V.A. Kotov, S. Kasture, A.S. Vengurlekar, Achanta Venu Gopal, D.R. Yakovlev, A.K. Zvezdin, M. Bayer, Nature NanoTech. 6, 370-376 (2011)

Millimeter wave microstrip line
Shilpa Kharche, R. C. Sethi, Gaurav Jaiswal, S. S. Prabhu, Achanta Venu Gopal, P. U. Dere, Int. J. Res. Engn. Sci. Technol. (Accepted).

Defect modification and energy extraction in a one-dimensional terahertz photonic crystal
S. Liang, H-Y Liu, Q-F Dai, L-J Wu, S. Lan, Achanta Venu Gopal, J. Appl. Phys. 109, 024902 (2011)

Publications in 2010 and Before

Size dependent tuning of Mn2+ d emission in Mn2+-doped CdS nanocrystals : Bulk vs Surface
Angshuman Nag, Roby Cherian, Priya Mahadevan, Achanta Venu Gopal, Abhijit Hazarika, Akshatha Mohan, A. S. Vengurlekar, and D. D. Sarma, J. Phys. Chem C 114, 18323 (2010).

Optical trapping and manipulation of magnetic holes dispersed in a magnetic fluid
T. Sun, Z-C. Fu, W-R Zhao, H-D Deng, Q-F Dai, L-J Wu, S. Lan, and Achanta Venu Gopal, J. App. Phys. 107 094306 (2010).

Damping of exciton Rabi rotations by acoustic phonons in optically excited InGaAs/GaAs quantum dots
Andrew Ramsay, Achanta Venu Gopal, E. M. Gauger, A. Nazir, B. W. Lovett, A. M. Fox, M. S. Skolnick, Phys. Rev. Lett. 104 017402 (2010)

All optical switching mediated by magnetic nanoparticles
Q-F. Dai, H-D Deng, W-R Zhao, Liu, L-J Wu, S Lan, Achanta Venu Gopal, Opt. Letts. 35 97 (2010)

Effects of optical forces on the transmission of magnetic fluids investigated by Z-scan technique
Zi-Ming Meng, Hai-Ying Liu, Wei-Ren Zhao, Wei Zhang, Hai-Dong Deng, Qiao-Feng Dai, Li-Jun Wu, Sheng Lan, Achanta Venu Gopal, J. Appl. Phys. 106, 044905 (2009)

Influence of trapping power and scanning speed on the quality of ordered structures formed in Z-scan-based optical trapping
Q-F. Dai, H-Y Liu, J. Liu, L-J Wu, Q. guo, W. Hu, X-B yang, S-H Liu, S. lan, Achanta Venu Gopal, V. A. Trofimov, Euro Phys. Letts. 85 18004 (2009).

In-situ characterization of three-dimensional optical matters by light diffraction
L-D. Jiang, Q-F. Dai, T-H Feng, J. Lin, L-J wu, S. lan, Achanta Venu Gopal, V. A. Trofimov, Chn. Phys. Lett. 26, 074201 (2009)

Manipulation of microparticles in colloidal liquids by z-scan based optical trapping
J. Liu, Q-F Dai, t-H Feng, H-Y Liu, L-J Wu, Q Guo, W Hu, S-H Liu, Sheng Lan, Achanta Venu Gopal, V. A. Trofimov, J. Appl. Phys. 104 114308 (2008).

Dynamics of optical matter creation and annihilation in colloidal liquids controlled by laser trapping power
J. Liu, Q-F Dai, X-G Huang, L-J Wu, Q Guo, W Hu, X-B Yang, Sheng Lan, Achanta Venu Gopal, V. A. Trofimov, Opt. Lett. 33 2617 (2008).

All-optical switching using controlled formation of large volume three-dimensional optical matter
J. Liu, Q-F Dai, Z-M Meng, X-G Huang, L-J Wu, Q Guo, W Hu, Sheng Lan, Achanta Venu Gopal, V. A. Trofimov, Appl. Phys. Lett. 92, 233108 (2008).

Enhancement of switching speed by laser-induced clustering of nanoparticles in magnetic fluids
H-D. Deng, J Liu, W-R Zhao, W. Zhang, X-S Lin, T. Sun, Q-F dai, L-J Wu, Sheng Lan, Achanta Venu Gopal, Appl. Phys. Lett. 92 233103 (2008).

Self-induced transparency in colloidal liquids by Z-scan based optical trapping.
Q-F. Dai, H-Y Liu, J Liu, L-J Wu, Q Guo, W Hu, X-B yang, S-H Liu, Sheng Lan, Achanta Venu Gopal, V. A. Trofimov, Appl. Phys. Lett. 92 153111 (2008).

Self-Induced Anderson Localization and Optical Limiting in Photonic Crystal Coupled Cavity Waveguides with Kerr Nonlinearity.
Hai-Ying Liu, Sheng Lan, Li-Jun Wu, Qi Guo, Wei Hu, and Song-Hao Li, Xu-Sheng Lin, Achanta Venu Gopal, Appl. Phys. Letts. 90, 213507 (2007).

Femtosecond pulse distortion at surface plasmon resonances in a plasmonic crystal.
A. S. Vengurlekar, Achanta Venu Gopal, and T. Ishihara, Appl. Phys. Letts. 89, 181927 (2006).

Propagation effects in spectrally resolved transient four wave mixing measurements on excitons in GaAs multiple quantum wells.
Bipul Pal, A. S. Vengurlekar, Achanta Venu Gopal, and S.S. Prabhu, Physica E21, 77-84 (2004).

Intensity correlated nonlinear photoluminescence spectra in undoped and p-doped GaAs and GaAs Quantum Wells
Bipul Pal, Achanta Venu Gopal, S. S. Prabhu, and A. S. Vengurlekar, Phys. Rev. B 65, 045312 (2002).

Unequal dependence of the dephasing rates for inhomogeneously broadened excitons on the intensities of the exciting beams in four-wave-mixing measurements.
Bipul Pal, Achanta Venu Gopal, and A. S. Vengurlekar, Phys. Rev. B 63, 33301 (2000).

Well width dependence of light hole exciton dephasing in GaAs quantum wells.
Achanta Venu Gopal, and A. S. Vengurlekar, Phys. Rev. B 62, 4624 (2000).

Exciton-exciton scattering in GaAs/AlAs lateral superlattice
Achanta Venu Gopal, A. S. Vengurlekar, F. Laruelle, B. Etienne, and J. Shah, Solid State Commn. 115, 517 (2000).

Photoluminescence study of exciton-optical phonon scattering in bulk GaAs and GaAs quantum wells.
Achanta Venu Gopal, Rajesh Kumar, A. S. Vengurlekar, A. Bosacchi, S. Franchi, L. N. Pfeiffer, and J. Shah, J. Appl. Phys.. 87, 1858 (2000).

Carrier Dynamics in GaAs/AlAs Quantum Wire Arrays.
Achanta Venu Gopal, Rajesh Kumar, A. S. Vengurlekar, T. Mèlin, F. Laruelle, and B. Etienne, Ind. J. Pure & Appl. Phys. 37, 635 (1999).

Exciton-Phonon Scattering in GaAs/AlAs Quantum Wires.
Achanta Venu Gopal, Rajesh Kumar, A. S. Vengurlekar, T. Mèlin, F. Laruelle, and B. Etienne, Appl. Phys. Lett. 74, 2474 (1999).

Exciton Formation and Relaxation Dynamics in Quantum Wires.
Rajesh Kumar, A. S. Vengurlekar, Achanta Venu Gopal, T. Melin, F. Laruelle, B. Etienne, and J. Shah, Phys. Rev. Lett. 81, 2578 (1998).