Polarization Controllers

A low-loss and high-speed multi-stage polarization controller useful for polarization control, polarization mode dispersion (PMD) compensation, and polarization scrambling.

Key Specifications

	3-Stage	4-Stage	6-Stage	8-Stage
Insertion Loss	< 3 dB (<2dB opt)
3 dB Bandwidth	>1 MHz
Number of Cascaded Stages (N)	3	4	6	8
2V_o/N (TE/TM rotation, per stage)	< 14 volts
V_pi/N (TE/TM phase shift, per stage)	< 14 volts
\|V_bias/2\|	< 30 volts
PDL	< 0.2 dB
Optical Return Loss	> 50 dB
Operating Wavelength	1.55 micron (C- and L-band)
Input Fiber	SM or PM
Output Fiber	SM or PM
Optical Connectors	FC/UPC standard (FC/APC & others available)
Package Dimensions	4.0" x 0.35" x 0.24" (101.6 x 8.9 x 6.1 mm³)
Options	Lower PDL (< 0.1 dB) Custom number of stages Custom stage lengths 1.06 & 1.3 micron operating wavelength

Need More Information?

This polarization control device was invented and patented by our founder, Suwat Thaniyavarn.

US Patent #4,691,984

Thaniyavarn, Suwat, "Wavelength-independent, optical-damage-immune LiNbO3 TE-TM mode converter," Optics Letters, Vol. 11, No. 1, January 1986, pp. 39-41.

Thaniyavarn, Suwat, "Wavelength independent, optical damage immune Z-propagation LiNbO3 waveguide polarization converter," Applied Physics Letters, Vol. 47, No. 7, 1 October 1985, pp. 674-7.

All specifications subject to change without notice.