Mode-resolved photon counting via cascaded quantum frequency conversion

Yu Ping Huang*, Prem Kumar

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

33 Scopus citations


Resources for the manipulation and measurement of high-dimensional photonic signals are crucial for implementing qudit-based applications. Here we propose potentially high-performance, chip-compatible devices for such purposes by exploiting quantum frequency conversion in nonlinear optical media. Specifically, by using sumfrequency generation in a χ(2) waveguide, we show how mode-resolved photon counting can be accomplished for telecom-band photonic signals subtending multiple temporal modes. Our method is generally applicable to any nonlinear medium with arbitrary dispersion properties.

Original languageEnglish (US)
Pages (from-to)468-470
Number of pages3
JournalOptics Letters
Issue number4
StatePublished - Feb 15 2013

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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