Journal
REPORTS ON PROGRESS IN PHYSICS
Volume 84, Issue 1, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/1361-6633/abcd7a
Keywords
quantum optics; quantum computation; quantum cryptography
Categories
Funding
- Canada Research Chairs (CRC)
- Canada First Excellence Research Fund (CFREF)
- Ontario's Early Researcher Award (ERA)
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Observation of two-particle interference, starting with two-photon interference nearly 30 years ago, has led to a new quantum era with distinct advantages and potential applications. The unique properties of quantum physics can be harnessed for surpassing classical computations, secure communication, simulating complex systems, and increasing measurement sensitivity.
Nearly 30 years ago, two-photon interference was observed, marking the beginning of a new quantum era. Indeed, two-photon interference has no classical analogue, giving it a distinct advantage for a range of applications. The peculiarities of quantum physics may now be used to our advantage to outperform classical computations, securely communicate information, simulate highly complex physical systems and increase the sensitivity of precise measurements. This separation from classical to quantum physics has motivated physicists to study two-particle interference for both fermionic and bosonic quantum objects. So far, two-particle interference has been observed with massive particles, among others, such as electrons and atoms, in addition to plasmons, demonstrating the extent of this effect to larger and more complex quantum systems. A wide array of novel applications to this quantum effect is to be expected in the future. This review will thus cover the progress and applications of two-photon (two-particle) interference over the last three decades.
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