Yes, the same author, and while science fiction's operative word is 'fiction', many things our dear old Jules wrote about have become very much reality. In fact, his story about time travel - you've just experienced it.
You are now in the 21st century, Holmes. Welcome to it, in all its debauched and improper glory.
As for how I've come to know your name, well. You were closer with the papers theory than the Yard. Those darling men and I aren't on speaking terms, in a manner of speaking.