Photonic integrated polarizers are of interest in systems where the fidelity of the polarization state is crucial, such as coherent communications, quantum information processing and high-performance sensing. This talk will explore novel schemes towards the integration of polarization devices based on integrated tilted gratings in silicate waveguides. Dr. Posner will present methods for the design and fabrication of 45° tilted gratings for use as polarisers [1] and polarising couplers [2] at wavelengths of operation in the telecommunications C-band (1530-1570 nm). The devices’ performance will be described, with details provided on techniques for characterizing polarization extinction ratio and the broad spectral bandwidth. Future directions of investigation will be discussed.

[1] M. T. Posner et al. ,“Integrated polarizer based on 45° tilted gratings,” Opt. Exp., Vol. 27 No. 8 , pp.11174-11181(2019)

[2] M. T. Posner et al., “Integrated polarizing coupler based on tilted gratings,” in Advanced Photonics 2016 (IPR, NOMA, Sensors, Networks, SPPCom, SOF), OSA technical Digest (online) (2016), paper IW3B.3.

Speaker(s): Dr Matthew T. Posner,

Location:
Room: MC603
Bldg: McConnell Engineering Building
McGill University
3480 University Street
Montreal, Quebec
H3A0E9