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Broadband photon-counting Raman spectroscopy in short optical waveguides
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10.1063/1.4767220
/content/aip/journal/apl/101/21/10.1063/1.4767220
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/21/10.1063/1.4767220
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Figures

Image of FIG. 1.
FIG. 1.

Method for broadband photon-counting Raman spectroscopy in optical waveguides. SPD, single photon detector.

Image of FIG. 2.
FIG. 2.

Experimental setup for SpRS measurement. ISO, isolator; WDM, wavelength-division multiplexer; ATT, attenuator; PC, polarization controller; Pol, inline polarizer; PM, power meter; BPF, band-pass filter; PBS, polarization beam splitter; ASE, amplified spontaneous emission; SPD, single-photon detector.

Image of FIG. 3.
FIG. 3.

Measurement of the SpRS photon count rate with respect to detuning from the pump frequency at room temperature (293 K, red circles) and at liquid nitrogen temperature (77 K, blue triangles).

Image of FIG. 4.
FIG. 4.

Measurement of the SpRS photon count rate with respect to detuning from the pump frequency with polarization parallel (green diamonds) and perpendicular (brown squares) to the pump.

Image of FIG. 5.
FIG. 5.

The Raman-gain (red circles) for glass extracted from the SpRS measurements and superimposed onto a spectrum from a bulk sample measured using the scattering method (dashed black line).17

Image of FIG. 6.
FIG. 6.

The measured Stokes and predicted anti-Stoke SpRS for room temperature (red circles) and 77 K (blue triangles). The anti-Stokes calculation uses the extracted Raman-gain for the parallel polarized component of the Stokes SpRS.

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/content/aip/journal/apl/101/21/10.1063/1.4767220
2012-11-21
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Broadband photon-counting Raman spectroscopy in short optical waveguides
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/21/10.1063/1.4767220
10.1063/1.4767220
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