Abstract
We present an algorithm for transforming an arbitrary input polarization state into a nonorthogonal but otherwise arbitrary output polarization state, by using two quarter-wave retarders. Such an array reduces the number of retarders employed in the well-known Simon-Mukunda gadget, which consists of one half-wave and two quarter-wave retarders. The latter was designed to realize arbitrary SU(2) transformations on qubits. The gadget presented here accomplishes a related task, allowing to transforming an input qubit into a target qubit, by choosing a particular SU(2) transformation that is realizable with two quarter-wave plates.
| Original language | English |
|---|---|
| Pages (from-to) | 1664-1668 |
| Number of pages | 5 |
| Journal | Physics Letters, Section A: General, Atomic and Solid State Physics |
| Volume | 376 |
| Issue number | 19 |
| DOIs | |
| State | Published - 9 Apr 2012 |
Keywords
- Birefringence
- Polarization optics
- Single-qubit gates
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