Spectral noise in quantum frequency down-conversion from the visible to the telecommunication C-band
arXiv:1902.02728 · doi:10.1364/OE.27.014298
Abstract
We report a detailed study of the noise properties of a visible-to-telecom photon frequency converter based on difference frequency generation (DFG). The device converts 580 nm photons to 1541 nm using a strong pump laser at 930 nm, in a periodically poled lithium niobate ridge waveguide. The converter reaches a maximum device efficiency of 46 % (internal efficiency of 67 %) at a pump power of 250 mW. The noise produced by the pump laser is investigated in detail by recording the noise spectra both in the telecom and visible regimes, and measuring the power dependence of the noise rates. The noise spectrum in the telecom is very broadband, as expected from previous work on similar DFG converters. However, we also observe several narrow dips in the telecom spectrum, with corresponding peaks appearing in the 580 nm noise spectrum. These features are explained by sum frequency generation of the telecom noise at wavelengths given by the phase matching condition of different spatial modes in the waveguide. The proposed noise model is in good agreement with all the measured data, including the power-dependence of the noise rates, both in the visible and telecom regime. These results are applicable to the class of DFG converters where the pump laser wavelength is in between the input and target wavelength.
arXiv comment10 pages
References in corpus (18)
- Experimental loophole-free violation of a Bell inequality using entangled electron spins separated by 1.3 km
- Deterministic delivery of remote entanglement on a quantum network
- Visible-to-telecom quantum frequency conversion of light from a single quantum emitter
- Photonic quantum state transfer between a cold atomic gas and a crystal
- GHz QKD at telecom wavelengths using up-conversion detectors
- Quantum frequency conversion to telecom of single photons from a nitrogen-vacancy center in diamond
- Multi-mode and long-lived quantum correlations between photons and spins in a crystal
- Two-photon interference in the telecom C-band after frequency conversion of photons from remote quantum emitters
- Downconversion quantum interface for a single quantum dot spin and 1550-nm single-photon channel
- Quantum frequency conversion of memory-compatible single photons from 606 nm to the telecom C-band
- Quantum frequency conversion between infrared and ultraviolet
- Generation of light with multimode time-delayed entanglement using storage in a solid state spin-wave quantum memory
- Quantum frequency conversion of quantum memory compatible photons to telecommunication wavelengths
- A low-noise frequency down-conversion to the telecommunication band for a quantum communication based on NV centers in diamond
- Entanglement of distinguishable quantum memories
- Neutral atom wavelength compatible 780 nm single photons from a trapped ion via quantum frequency conversion
- A two-way photonic interface for linking Sr+ transition at 422 nm to the telecommunications C-band
- Two-step frequency conversion for connecting distant quantum memories by transmission through an optical fiber
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- Fiber-integrated Quantum Frequency Conversion for Long-distance Quantum Networking