A holographic data storage system is like a big bookshelf that can store lots of information. Think of it like a library for your computer. But instead of using regular books, holographic storage uses something called holograms.
A hologram is like a special kind of picture that shows lots of details in 3-D. You might have seen holograms on stickers or on credit cards before. But in a holographic data storage system, these holograms are used to store information.
Here's how it works: Imagine you have a bunch of tiny little books that you want to store on a shelf. You could stack them all up in a big messy pile, but that would be really hard to find the one you want later. Instead, you organize them onto shelves and label each one with the title of the book.
In a holographic data storage system, each tiny little book is like a bit of information. Instead of stacking them up on shelves, they're organized into a big grid of holograms. Each hologram can hold lots of information, almost like a tiny library all by itself.
But just like with regular books on a shelf, you need to be able to find the information you want later. That's where the labeling comes in. Each hologram is labeled with a special code that tells the computer where to find the information it needs. It's kind of like a "call number" in a library.
So when you want to access the information stored in a holographic data storage system, your computer can find the right hologram and use a special laser to read the information stored inside. It's like reading a book, but instead of looking at the words on the page, you're reading the hologram with a special laser.
Overall, a holographic data storage system is like a really big, fancy library for your computer. Instead of using regular books, it stores information using holograms. And just like in a library, you need to be able to find the right book (or hologram) to access the information you need later.