Patent ID: 11927800
Assignee: ZHEJIANG UNIVERSITY
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 1:
2. The electronically controlled depolarizer based on the crossed-slit waveguide according to claim 1, wherein broad-spectrum TM (transverse magnetic) polarized light is inputted to the 45-degree polarization rotation waveguide (2) through the horizontal-slit waveguide (1), the 45-degree polarization rotation waveguide (2) converts a half of the broad-spectrum TM polarized light into broad-spectrum TE (transverse electric) polarized light; the broad-spectrum TE polarized light and the other half of the broad-spectrum TM polarized light, both of which are outputted from the 45-degree polarization rotation waveguide (2), enter an input end of the crossed-slit waveguide (3); the broad-spectrum TE polarized light is transmitted in the vertical slit of the crossed-slit waveguide (3), and the broad-spectrum TM polarized light is transmitted in a horizontal slit of the crossed-slit waveguide (3); the broad-spectrum TE polarized light and the other half of the broad-spectrum TM polarized light form depolarized light at an output end of the crossed-slit waveguide (3).