Entanglement is a key resource for quantum information processing. Due to their robustness and unique capability for transmission over long distances, photons have proven to be an indispensable tool for investigation of entanglement and its applications. Discrete frequency bin entanglement – and encoding of quantum information in the frequency domain – is emerging as an active new research area. This form of photon entanglement offers potential both for practical advantages, e.g., compatibility with on-chip generation and fiber transmission, and for more fundamental ones, particularly generation of entangled states with high dimensionality (qudits rather than qubits). In this talk I discuss recent advances in manipulation and measurement of quantum states encoded and entangled in the photonic frequency degree of freedom or hyperentangled in time and frequency degrees of freedom. Although the perspective is primarily experimental, I will also attempt to provide examples of questions and challenges that connect to near-term quantum information.

Andrew Weiner is best known for pioneering work on programmable femtosecond pulse shaping and ultrafast signal processing. Weiner is a member of the National Academy of Engineering and National Academy of Inventors, was selected as a Department of Defense National Security Science and Engineering Faculty Fellow, and has received the OSA Wood Prize and the IEEE Photonics Society Quantum Electronics Award, among others. He is author of the textbook Ultrafast Optics and recently concluded a six year term as Editor-in-Chief of Optics Express.

Purdue Center for Science of Information, Purdue Quantum Science and Engineering Institute

Researchers should cite this work as follows:

• Andrew M Weiner (2019), "Frequency Bin Quantum Photonics," https://nanohub.org/resources/30622.

  BibTex | EndNote

1. entanglement
2. nanophotonics
3. quantum optics
4. quantum science and information