Table 1 Comparison between traditional methods and the proposed coherent detector

From: Coherent detector for the non-separability measurement of vectorial structured light

Reference

Principle

Single-shot?

Spatial complexity

Require SLM/DMD?

Superposition state detection

29,34,37,38

Basis-dependent: Switch demodulating holograms

No

1

Yes

No

37,39

Basis-dependent: Demultiplexing hologram

Yes

12 for ref. 37

8 for ref. 39

Yes

No

34,36

Basis-independent: Stokes parameters measurement

Yes

4

No

No

This work

Coherent detection: Off-axis holography

Yes

2

No

Yes