  We introduce a method for detection of chiral molecules using sequences of
three pulses driving a closed-loop three-state quantum system. The left- and
right-handed enantiomers have identical optical properties (transition
frequencies and transition dipole moments) with the only difference being the
sign of one of the couplings. We identify twelve different sequences of
resonant pulses for which chiral resolution with perfect contrast occurs. In
all of them the first and third pulses are $\pi/2$-pulses and the middle pulse
is a $\pi$-pulse. In addition, one of the three pulses must have a phase shift
of $\pi/2$ with respect to the other two. The simplicity of the proposed chiral
resolution technique allows for straightforward extensions to more efficient
and more robust implementations by replacing the single $\pi/2$ and
$\pi$-pulses by composite pulses. We present specific examples of chiral
resolution by composite pulses which compensate errors in the pulse areas and
the detuning of the driving fields.
