Theoretical Quantum Optics and Quantum Technology Group Theoretical Quantum Optics and Quantum Technology Group
Group Leader: Dr. Amarendra Kumar Sarma Group Leader: Dr. Amarendra Kumar Sarma
Research Interests
Quantum Technology
Quantum Optomechanics
Solitons in Physics
Quantum Optics
Nonlinear Fiber Optics
Nano-Optics
Extreme Nonlinear Optics
Present Students
Past Students
There is nothing more satisfying than to find a really difficult and meaty problem and then solve it. A lion hunting and eating its prey could not get more satisfaction!
- Sir John Pendry
Recent Publications
  1. Alolika Roy and Amarendra K. Sarma, Overcoming the Standard Quantum Limit with Electro-Optomechanical Hybrid System for Enhanced Force Sensing, Physical Review A 111, 013509.
  2. Pooja Kumari Gupta, Subhadeep Chakraborty, Sampreet Kalita and Amarendra K. Sarma, Quantum signatures of bistability and limit cycle in Kerr-modified cavity magnomechanics, Physical Review A 110, 063504.
  3. Sampreet Kalita and Amarendra K. Sarma, Domino-cooling Oscillator Networks with Deep Reinforcement Learning, Under review.
  4. Roson Nongthombam, Urmimala Dewan and Amarendra K. Sarma, Generation of bipartite mechanical cat state by performing projective Bell state measurement on a pair of superconducting qubit, Physical Review A 110, 023726.
  5. Pooja Kumari Gupta, Sampreet Kalita and Amarendra K. Sarma, Quantum interference induced magnon blockade and antibunching in a hybrid quantum system, JOSA B 41, 447.
  6. Roson Nongthombam, Pooja Kumari Gupta and Amarendra K. Sarma, Quantum transduction of superconducting qubit in electro-optomechanical and electro-optomagnonical system, Physical Review A , .
  7. Amarendra K. Sarma and Sampreet Kalita, Tutorial: Cavity Quantum Optomechanics (INVITED), Indian Journal of Pure and Applied Physics 61, 622.
  8. Roson Nongthombam, Sampreet Kalita and Amarendra K. Sarma, Synchronization of a superconducting qubit to an optical field mediated by a mechanical resonator, Physical Review A 107, 0135128.
  9. Priyankar Banerjee, Sampreet Kalita and Amarendra K. Sarma, Robust Mechanical Squeezing beyond 3 dB in a Quadratically-coupled Optomechanical System, Journal of Optical Society of America B 40, 1398.
  10. Sampreet Kalita, Pardeep Kumar, Rina Kanamoto, Mishkatul Bhattacharya and Amarendra K. Sarma, Pump-probe cavity optomechanics with a rotating atomic superfluid in a ring, Physical Review A 107, 0135125.
  11. Sampreet Kalita, Saumya Shah and Amarendra K. Sarma, Significant optoelectrical entanglement and mechanical squeezing in a multimodulated optoelectromechanical system, Physical Review A 106, 043501.
  12. Ambaresh Sahoo, Dipti K. Mahato, A. Govindarajan and Amarendra K. Sarma, Switching dynamics of femtosecond soliton steering in parity-time-symmetric coupled optical waveguides, Physical Review A 106, 043502.
  13. Ambaresh Sahoo and Amarendra K. Sarma, Two-way enhancement of sensitivity by tailoring higher-order exceptional points, Physical Review A 106, 023508.
  14. Ambaresh Sahoo, Dipti K. Mahato, A. Govindarajan and Amarendra K. Sarma, Bistable soliton switching dynamics in a PT-symmetric coupler with saturable nonlinearity, Physical Review A 105, 063503.
  15. Sampreet Kalita, Subhadeep Chakraborty and Amarendra K. Sarma, Switching of quantum synchronization in coupled optomechanical oscillators, Journal of Physics Communications (IOP) 5, 115006.
  16. Roson Nongthombam, Ambaresh Sahoo and Amarendra K. Sarma, Ground-state cooling of a mechanical oscillator via a hybrid electro-optomechanical system, Physical Review A 104, 023509.
  17. Ambaresh Sahoo and Amarendra K. Sarma, Microresonator dynamics with frequency-dependent Kerr nonlinearity, Physical Review A 104, 023513.
  18. Arindam Saha and Amarendra K. Sarma, Transitionless Phonon Assisted Photon-qubit Quantum State Transfer in a Hybrid Optomechanical System, Physics Letters A 393, 127176.
  19. Dipti K. Mahato, A. Govindarajan, M. Lakshmanan and Amarendra K. Sarma, Dispersion Managed Generation of Peregrine Solitons and Kuznetsov-Ma Breather in an Optical Fiber, Physics Letters A 392, 127134.
  20. Amarendra K. Sarma, Subhadeep Chakraborty and Sampreet Kalita, Continuous Variable Quantum Entanglement in Optomechanical Systems: A Short Review, AVS Quantum Science (AIP) 3, 015901.
  21. Dipti K. Mahato, A. Govindarajan and Amarendra K. Sarma, Dark Soliton Steering in PT-Symmetric Couplers with third-order and intermodal dispersions, Journal of Optical Society of America B (JOSA B) 37, 3443.
  22. Abdelsalam H. M. Abdelaziz and Amarendra K. Sarma, Effective Control and Switching of Optical Multistability in a Three-level V-type Atomic System, Physical Review A 102, 043719.
  23. Jyoti Prasad Deka, A. Govindarajan, Manas Kulkarni and Amarendra K. Sarma, Multifaceted Nonlinear Dynamics in PT-Symmetric Coupled Lienard Oscillators, Nonlinear Dynamics 100, 1629.
  24. Subhadeep Chakraborty and Amarendra K. Sarma, Delayed Sudden Death of Entanglement at Exceptional Points, Physical Review A 100, 063846.
  25. Koijam Monika Devi, Gagan Kumar and Amarendra K. Sarma, Surface Polaritonic Solitons and Breathers in a Planar Plasmonic Waveguide Structure via Electromagnetically Induced Transparency, Journal of Optical Society of America B 36, 2160.
  26. A. Govindarajan, Amarendra K. Sarma and M. Lakshmanan, Tailoring PT-symmetric Soliton Switch, Optics Letters 44, 663.
  27. A. H. M. Abdelaziz, Parvendra Kumar and Amarendra K. Sarma, Effective Focusing of a Diverging Atomic Beam by a Sequence of Alternatively Chirped Few-cycle Pulsed Laser Fields, Physical Review A 99, 023408.
  28. Jyoti Prasad Deka and Amarendra K. Sarma, Chaotic Dynamics and Optical Power Saturation in Parrity-Time(PT) Symmetric Double Ring Resonator, Nonlinear Dynamics 96, 565.
  29. Bijita Sarma and Amarendra K. Sarma, Tunable Phonon Blockade in Weakly Nonlinear Coupled Mechanical Resonators via Coulomb Interaction, Scientific Reports (Nature) 8, 14583.
Sponsored Research Projects
ongoing ongoing
  1. Exploring Hybrid Circuit QED Systems for Quantum Technology (PI), STARS-2, Ministry of Education, Govt. of India (2024-2027)
completed completed
  1. Soliton Dynamics of the Generalized Nonlinear Schrodinger Models in Parity-Time (PT) Symmetric potentials (PI), SERB (MATRICS), Govt. of India (2020-2023)
  2. Parity-time Symmetry in Nonlinear Optics (PI), DST-SERB (Fast-track), Govt. of India (2014-2017)
  3. Optical Force in a Two and Three Level Atomic System Superimposed to an Intense Ultrashort Pulsed Laser Field beyond the Rotating Wave Approximation (PI), CSIR, Govt. of India (2013-2016)
  4. Few-cycle Optical Solitons in the Context of Soliton Self-switching (PI), DST, Govt. of India (2009-2012)