Integrated electronic optical switches in future chip ion trap
This presentation is the property of its rightful owner.
Sponsored Links
1 / 21

Integrated electronic optical switches in future chip ion trap PowerPoint PPT Presentation


  • 68 Views
  • Uploaded on
  • Presentation posted in: General

Integrated electronic optical switches in future chip ion trap . Shu, Gang 5/24/2006. Basic concepts of Quantum Computer Ion trap technology Optical Switches in future traps Conclusions. Basic concepts of Quantum Computer Ion trap technology Optical Switches in future traps Conclusions.

Download Presentation

Integrated electronic optical switches in future chip ion trap

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript


Integrated electronic optical switches in future chip ion trap

Integrated electronic optical switches in future chip ion trap

Shu, Gang

5/24/2006


Integrated electronic optical switches in future chip ion trap

  • Basic concepts of Quantum Computer

  • Ion trap technology

  • Optical Switches in future traps

  • Conclusions


Integrated electronic optical switches in future chip ion trap

  • Basic concepts of Quantum Computer

  • Ion trap technology

  • Optical Switches in future traps

  • Conclusions


Integrated electronic optical switches in future chip ion trap

A quantum computer is any device for computation that makes direct use of distinctively quantum mechanical phenomena, such as superposition and entanglement, to perform operations on data.


Integrated electronic optical switches in future chip ion trap

A computer architecture must include two fundamental elements:

A mathematics system that can represent and solve general problems.

A physical system that can realize the mathematics system.

Classical computers are based on real space and realized by macro physics laws (electronics)

Quantum computers are based on functional spaces and realized by quantum mechanics.

Quantum computers supply a new way to express and attack hard problems.

Any other ways? QFT?

Well, any realizable system described by a special mathematics may be a choice.


Why qc

Why QC?

1. We’re approaching the limit of classical chip. The linear increasing computation ability will never catch up with nonlinear increasing complexity.

So, what?

Quantum Algorithms and QC

2. Physicists never forget physics:

We want to study complicated quantum system, why not simulate it with a quantum device?

3. If QC is only a dream, maybe Quantum Algorithms will shine light to some hard problems.


Does it work

Does it work?

No universal algorithm yet 

BUT

some very promising ones such as Shor’s factoring algorithm

which will cause trouble to traditional information security and push people to Quantum information…


Qc s secret

QC’s secret

Q bit

A state vector carrying all information and our hope.


Integrated electronic optical switches in future chip ion trap

  • Basic concepts of Quantum Computer

  • Ion trap technology

  • Optical Switches in future traps

  • Conclusions


Why ion traps

Why Ion traps?

Need a quantum system well isolated from environment

Need some interactions turned on and off as wish

Trapped single ions are isolated from each other

Lasers are nice and controllable, to cool and operate the ions


What is a paul trap

What is a Paul trap?

Use rotating hyperbolic electric field to form a pseudo potential well to trap a ion, and use laser to cool the ion


If a computer not a single qbit

If a computer, not a single Qbit

Our trap and ions

A possible QC scheme


Integrated electronic optical switches in future chip ion trap

  • Basic concepts of Quantum Computer

  • Ion trap technology

  • Optical Switches for future traps

  • Conclusions


Integrated electronic optical switches in future chip ion trap

Easiest to think of but not easy to do

Mirror Array

Drawbacks:

Slow

Vibration

Not so reliable

So what?


Optical switches using eo effect

Optical Switches using EO effect

Very fast !

Very reliable ! – no moving parts

Easier to build ! – just layers

And

expen$ive


Some basic computations

Some basic computations

Use 493nm blue light as example:

Waveguide dimension guided wave profile two guides coupling

100% coupling: L=1.09966mm

dn=0.000540554


Integrated electronic optical switches in future chip ion trap

Some designs

  • Use integrated wave guide instead of free space to propagate lasers.

  • Use simplified electro optical switches to control lasers.


Integrated electronic optical switches in future chip ion trap

The trap and the wave guide.


Integrated electronic optical switches in future chip ion trap

  • Basic concepts of Quantum Computer

  • Ion trap technology

  • Optical Switches for future traps

  • Conclusions


Integrated electronic optical switches in future chip ion trap

  • Ion trap is one of the most promising methods to implement quantum computer.

  • Integrated device is the only way to scale up.

    What else can be integrated?

    Laser diodes

    Modulators


Integrated electronic optical switches in future chip ion trap

Thank you!

Shu, Gang

Dept. of Phys.

5.24.06


  • Login