K-LAB
At the Laboratory of Photonics and Quantum Measurements (K-LAB) in EPFL we investigate quantum effects in microscopic oscillators on a daily basis. We design and fabricate optical and mechanical mechanical micro and nano-resonators, devices which are capable of confining photons or phonons in small volumes for extended amount of time. We demonstrated that these mesoscopic objects are remarkably subject to the techniques for quantum control routinely employed on atoms, molecules and ions, by driving their dynamics with lasers or strong microwave signals.
In addition we have discovered that the nonlinear optical properties of high-Q microresonators allow the generation of optical frequency combs via soliton formation. Optical frequency combs have revolutionized frequency metrology and laser science over the past decade. Microresonator combs may spur a second revolution by enabling unprecedented integration levels, as well as high optical bandwidth and repetition rates.
2025 APS - Higher Coupling in a Flip-Chip Architecture Transmon-HBAR System
2025 APS - Quantum Collective Motion of Macroscopic Mechanical Oscillators
From FEM to Solitons part 4.3: Soliton Microcombs for Coherent Sensing and LiDAR
From FEM to Solitons part 4.2: Pulse Pumping and Supercontinuum Generation
From FEM to Solitons part 4.1: Photonics Integrated Lasers
From FEM to Solitons part 3.2: Overview of Silicon Nitride Fabrication Process
From FEM to Solitons part 3.1: Periodic Structures
From FEM to Solitons part 2.2: Experimental Data Analysis for Microresonator Characterization
From FEM to Solitons part 2.1: Introduction to FDTD simulations
From FEM to Solitons part 1.4: Bending Loss FEM Simulation for Slab Waveguide
From FEM to Solitons part 1.2: Dispersion Engineering FEM Simulation
From FEM to Solitons part 1.1: Numerical Simulations for Nonlinear Dynamics (LLE)
From FEM to Solitons part 1.3: Bending Loss FEM Simulation
2025 PQE - Nest generation ultra low loss integrated photonics
2024 Plenary Hilton Head - From chipscale combs, traveling wave parametric and Erbium amplifiers
2024 EFTF - From chipscale combs, Erbium amplifier and low noise lasers
ECOC 2024 - Ultrafast tunable photonic integrated extended-DBR Pockels laser - Anat Siddharth, LPQM
2024 NS - Quantum control of mechanical systems: fundamental research to technological applications
2022 ECOC Basel - Hybrid Integrated Photonics: from chipscale frequency combs to Er-doped amplifiers
2024 SPIE Photonics WEST - Ultra low loss Silicon nitride integrated photonics
2021 SPIE Security + Defence - Low-noise, frequency-agile, hybrid integrated lasers for LiDAR
2023 APS - Mechanically induced correlated errors of superconducting qubits with T1 over 400 us
2022 Quantum 2.0 - Silicon Nitride Hybrid Integrated Photonics
2022 Bejing colloquium - Quantum Optomechanics and Photonic Chipscale Frequency Combs
2021 APC plenary - Photonic Chipscale Frequency Combs
2023 EPFL Physics Day - Quantum Optomechanics
2022 CLEO, A Photonic Integrated Circuit-based Erbium-Doped Waveguide Amplifiers
2023 Photonics West, Erbium-doped Photonic integrated circuits (EPIC)
2023 APS - Progress towards a near quantum-limited J-TWPA
2023 APS - Collective Dynamics in Circuit Optomechanical Systems