Robust detection of deeply subwavelength pits in simulated optical data-storage disks using photonic jets
We report a means to detect deeply subwavelength pits in optical data-storage media by employing the recently observed giant backscattering perturbation phenomenon of the photonic jet. We conducted mi...
We report a means to detect deeply subwavelength pits in optical data-storage media by employing the recently observed giant backscattering perturbation phenomenon of the photonic jet. We conducted mi...
Effect of buffer gas ratios on the relationship between cell temperature and frequency shifts of the coherent population trapping resonance
We studied the relationship between pressure ratio of the buffer gases (argon and neon) and the rate of coherent population trapping resonance frequency shift with cell temperature in 85Rb. We found t...
We studied the relationship between pressure ratio of the buffer gases (argon and neon) and the rate of coherent population trapping resonance frequency shift with cell temperature in 85Rb. We found t...
Collinear source of polarization-entangled photon pairs at nondegenerate wavelengths
Appl. Phys. Lett. 92, 211103 (2008); doi:10.1063/1.2924280
Published 28 May 2008
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We report on a simple but highly efficient source of polarization-entangled photon pairs at nondegenerate wavelengths. The fully collinear configuration of the source enables very high coupling efficiency into a single optical mode and allows the use of long nonlinear crystals. With optimized dispersion compensation, it is possible to use a free-running laser diode as pump source and to reach an entanglement fidelity of 99.4% at rates as high as 27 000 pairs/s/mW of pump power.
©2008 American Institute of Physics
| History: | Received 11 January 2008; accepted 18 April 2008; published 28 May 2008 |
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http://link.aip.org/link/?APPLAB/92/211103/1 |
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