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Near Term Laser Space Propulsion to Move Twenty Times Faster in the Solar System
This will enable velocities of 100 to 200 km/s, and would enable a mission to the solar gravity lens location of 550 AU in less than 15 years. This will be nine to eighteen times faster than the Dawn Mission (11.5 km/s).
Brophy's talk starts 25 minutes into the video.
John discusses using 3-micron thick thin-film solar cells. They could be used to generate power at below one kilogram per kilowatt. They could have a mass of 100 to 200 grams per square meter. The more power that be generated for less weight the faster you can travel.