WP1 – Coordination and project management

WP Leader INRiM, Dr. Giulia Aprile

Objectives:

1. Grant fulfilment as intended on-time, on-cost, on-quality;

2. European Commission and partners satisfaction;

3. Management of deployment time scheduling and coordination.

WP2 – Realization of photonic integrated building blocks

WP Leader UGent, Prof. Bart Kuyken

Objectives:

1. Develop the technology for miniaturizing the key building blocks of the quantum enhanced sensors;

2. Realization of photonic integrated tunable lasers on SiN at 780 nm and 1550 nm;

3. Realization of PIC (GaP and LNOI components) and hot vapor Rb MEMS cells

4. Realization of uTP of LNOI and GaP structures on SiN to deliver the PICSq and nano-OMO.

WP3 – Quantum-enhanced optically pumped megnetometer

WP Leader ICFO-CREA, Prof. Morgan Mitchell

Objectives:

1. Develop a photonic-integrated polarization-squeezed light source for OPM applications;

2. Develop squeezed-light-optimized MEMS cells for OPM application;

3. Develop and demonstrate quantum- enhancement protocols tailored to photonic-integrated squeezers and MEMS cells.

WP4 – Development of a Rb-based Optical Clock

WP Leader CSEM, Dr. Laurent Balet

Objectives:

1. Develop the key building blocks for the miniaturization of the OLOSS and ARSS of a two- photon optical clock system, namely the laser source by heterogeneous photonic integration and the Rb cell by using MEMS technology.

2. Investigate the quantum enhancement obtained by squeezed states on the short- and long-term stability of a two-photon optical clock.

3. Develop a photonic integrated squeezed light source to miniaturize the OLOSS of a quantum-enhancement two-photon optical clock and assess its performances.

WP5 – Development of an optomechanical thermometer

WP Leader SU, Dr. Tristan Briant

Objectives:

1. Characterize and demonstrate the operation of novel quantum temperature sensors based on an optomechanical 2D membrane.

2. Provide new standards for self-calibrated embedded sensor applications oroptimized high resolution and high reliability optomechanical sensors based on multi-physics read-out to measure temperature at the nano and mesoscales and over a large temperature range (cryogenic to room temperature).

3. Development of multi-physics classical and quantum optical read-out to make a proof of principle that these new sensors could be either used as very sensitive relative thermometers or directly as primary sensors over a large temperature range (possible replacement for the Standard Platinum Resistance Thermometers, broadly used in temperature metrology).

4. Preliminary test on a highly integrated design.

WP6 – Metrology Assessment of key building blocks and quantum sensors

WP Leader INRiM, Dr. Giulia Aprile

Objectives:

1. Metrological assessment and calibration of free advanced quantum sensors (magnetometer, thermometer, optical clock) and essential building blocks.

WP7 – Dissemination, exploitation and impact

WP Leader UHAM, Dr. Roman Schnabel

Objectives:

1. Develop a communication, dissemination and exploitation successful strategy.

2. Develop its researched technology concepts.

3. Realized hardware towards commercial applications and devices.