Dynamically reconfigurable sources for arbitrary Gaussian states in integrated photonics circuits.

Area of Science:

• Quantum optics
• Integrated photonics
• Quantum information science

Background:

• Generating specific quantum states of light is crucial for quantum technologies.
• Current integrated photonic platforms offer potential for on-chip quantum state generation.

Purpose of the Study:

• To present a modular and programmable design for integrated multimode sources of arbitrary Gaussian states of light.
• To demonstrate the feasibility using compound semiconductor technologies.

Main Methods:

• Leveraging on-chip photon manipulation techniques.
• Utilizing the generation of highly squeezed vacuum states in semiconductors.
• Developing a generic, platform-independent design.

Main Results:

• A modular design for integrated programmable multimode sources of arbitrary Gaussian states of light.
• Demonstration of the design's applicability using compound semiconductors.
• Compatibility with current and emerging integrated photonic technologies.

Conclusions:

• The proposed design offers a versatile and scalable solution for generating quantum states of light.
• This integrated source is valuable for diverse quantum protocols, including imaging, communication, and information processing.
• The modularity allows for adaptation to various integrated platforms.