Quasinormal-Mode Perturbation Theory for Dissipative and Dispersive Optomechanics

Author(s)

Primo, Andre G. ^{[1, 2]} ; Carvalho, Natalia C. ; Kersul, Caue M. ; Frateschi, Newton C. ; Wiederhecker, Gustavo S. ; Mayer Alegre, Thiago P. ^{[1, 2]}

Affiliation

^[1] Univ Estadual Campinas, Gleb Wataghin Inst Phys, Appl Phys Dept, BR-13083859 Campinas, SP - Brazil

^[2] Univ Estadual Campinas, Gleb Wataghin Inst Phys, Photon Res Ctr, BR-13083859 Campinas, SP - Brazil

• Document type: Journal article
• Source: Physical Review Letters; v. 125, n. 23 DEC 2 2020.
• Web of Science Citations: 1

Abstract

Despite the several novel features arising from the dissipative optomechanical coupling, such effect remains vastly unexplored due to the lack of a simple formalism that captures non-Hermiticity in the engineering of optomechanical systems. In this Letter, we show that quasinormal-mode-based perturbation theory is capable of correctly predicting both dispersive and dissipative optomechanical couplings. We validate our model through simulations and also by comparison with experimental results reported in the literature. Finally, we apply this formalism to plasmonic systems, used for molecular optomechanics, where strong dissipative coupling signatures in the amplification of vibrational modes could be observed. (AU)

• FAPESP's process: 17/19770-1 - Highly-optomechanically-coupled active and passive optical microcavities
• Grantee: Natália Do Carmo Carvalho
• Support Opportunities: Scholarships in Brazil - Post-Doctoral
• FAPESP's process: 18/15580-6 - Optomechanical cavities towards single photon strong coupling
• Grantee: Thiago Pedro Mayer Alegre
• Support Opportunities: Research Grants - Young Investigators Grants - Phase 2
• FAPESP's process: 18/15577-5 - Nonlinear nanophotonics circuits: building blocks for optical frequency synthesis, filtering and signal processing
• Grantee: Gustavo Silva Wiederhecker
• Support Opportunities: Research Grants - Young Investigators Grants - Phase 2
• FAPESP's process: 20/06348-2 - Non-linear effects and dissipation in optomechanical cavities
• Grantee: Cauê Moreno Kersul de Castro Carvalho
• Support Opportunities: Scholarships in Brazil - Doctorate
• FAPESP's process: 19/09738-9 - Near strong coupling optomechanical cavities
• Grantee: André Garcia Primo
• Support Opportunities: Scholarships in Brazil - Doctorate (Direct)
• FAPESP's process: 18/25339-4 - Integrated photonics devices
• Grantee: Newton Cesario Frateschi
• Support Opportunities: Research Projects - Thematic Grants