There are 18 qubits stored in 6 photons, where each photon effectively have 3 qubits from its 3 different degrees of freedom. Reading the arxiv document prepar

There are 18 qubits stored in 6 photons, where each photon effectively have 3 qubits from its 3 different degrees of freedom. Reading the arxiv document prepared by Microsoft Word is so painful. Can't Microsoft learn something from TeX?