Gradient’s parameters:


Choose the already well known
Ellipse Tool (U) to draw a flare on the logo’s surface.
After that select the
Delete Anchor Point Tool to move off the circle’s top. The
Convert Pont Tool will be helpful in correcting the circle’s shape.

The layer’s parameters:
Fill 0% on the layers.
Blending Options>Gradient Overlay
Gradient’s parameters: 

The logo is finally drawn!