  We report on the implementation of a high fidelity universal gate-set on
optical qubits based on trapped $^{88}$Sr$^+$ ions for the purpose of quantum
information processing. All coherent operations were performed using a narrow
linewidth diode laser. We employed a master-slave configuration for the laser,
where an ultra low expansion glass (ULE) Fabry-Perot cavity is used as a stable
reference as well as a spectral filter. We characterized the laser spectrum
using the ions with a modified Ramsey sequence which eliminated the affect of
the magnetic field noise. We demonstrated high fidelity single qubit gates with
individual addressing, based on inhomogeneous micromotion, on a two-ion chain
as well as the M{\o}lmer-S{\o}rensen two-qubit entangling gate.
