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Polarization Scrambler PolaMix

Reference: GPC-PCD-104

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Alexandre Besson
Business Unit Director
+33 5 57 10 92 84
a.besson@laser2000.fr

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Product description

Polarization Scrambler PCD-104 PolaMix

Ce brouilleur de polarisation utilise une conception technologique tout fibre (all-fiber) afin de de randomiser (scrambler) efficacement les états de polarisation. La dépolarisation par brouillage de polarisation a de nombreuses applications. Le brouillage de polarisation du signal dentrée peut éviter les incertitudes de mesure provoquées par la sensibilité dépendante de la polarisation du matériel d'essai. La dégradation des performances due à le gain dépendant de polarisation (PDG) induite dans les amplificateurs optiques peut être supprimée par le brouillage de l'état de polarisation (SOP). En complément, le brouillage de polarisation peut également être utilisé dans des systèmes pour faciliter et simplifier la surveillance de la PMD. Basé sur une technologie brevetée du tout-fibre, le PCD-104 offre des performances supérieures avec une faible perte d'insertion (insertion loss) et de perte par réflexion (return loss), et une très faible phase résiduelle et la modulation d'amplitude.

Applications :

PDG mitigation
Elimination of polarization sensitivity
Faciliting PMD emulation
Faciliting PMD compensation
Faciliting PDL mesurement

Points clé :

No insertion Loss and No Back Refecflection
Low residual Phase and Amplitude Modulation
Built-in RS-232, GPIB and Ethernet ports
Remote Operation Wavelenght Control

Spécifications :

Insertion Loss	<0.05dB (without connectors) <0.6 dB (with connectors)
Center Operating Wavelength¹	Remote or manual selection of 980 nm, 1060 nm, 1310 nm, 1480 nm, 1550 nm, 1600 nm
Operating Wavelength Range²	>100 nm
Output Degree of Polarization(DOP)^{3, 4}	<5 %
Average PMD	<0.05 ps
Intrinsic PDL	<0.05 dB
Return Loss	>65 dB (without connectors)
Optical Power Handling	>1000 mW
Residual Amplitude Modulation	< ± 0.01 dB
Residual Phase Modulation	< 0.1 ?
Power Supply⁵	100 ~ 120 VAC, 50-60 Hz or 200 ~ 240 VAC, 50 - 60 Hz
Power Consumption	12 W typical
Scrambling Frequencies⁴	Factory set 4 fixed frequencies, distributed between DC and > 700 kHz³
Communication Interfaces	RS-232, Ethernet, GPIB
Operating Temperature	10 ~ 45 °C
Storage Temperature	-10 ~ 50 °C
Dimensions	2U, 19" half rack width, 3.5" × 8.5" × 14." (H × W × L)

Notes:

¹ Please note that the fiber used determines the operating wavelength range. The standard fiber covers wavelengths in the 1260 - 1650 nm range. The PCD-104 can also be configured to cover the 970 - 1300 nm range using a different fiber. This fiber can handle wavelengths up to 1650 nm, but if it is coupled to SMF-28 fiber, the performance may not be quite as good as normal due to mode mismatch. Please contact General Photonics for details.

² Center Wavelength ± 50 nm.

³ At 500 Hz detection bandwidth.

⁴ Measured from a photodetector at PCD-104 output using a spectrum analyzer. A polarizer is placed in front of the

photodetector to convert polarization modulation to amplitude modulation.

⁵ Universal power supply.