You can mimic a "deep" glow by applying the standard AE Glow effect 3 or 4 times. Set the first one with a small radius and high intensity, and each subsequent one with a much larger radius and lower intensity.

If you are looking to professionalize your motion graphics, here is everything you need to know about getting Deep Glow the right way, why it’s worth the investment, and how to manage your license. What is Deep Glow?