Latest Quantum cryptography Stories

2011-08-31 14:42:52

Thanks to advances in experimental design, physicists at the National Institute of Standards and Technology (NIST) have achieved a record-low probability of error in quantum information processing with a single quantum bit (qubit)—the first published error rate small enough to meet theoretical requirements for building viable quantum computers.

2011-08-11 05:45:00

Physicists have discovered that the quantum properties of ions can be manipulated using microwaves, instead of lasers.

2011-08-02 16:37:52

Dr Xiao-Qi Zhou and colleagues at the University of Bristol's Centre for Quantum Photonics and the University of Queensland, Australia, have shown that controlled operations — ones that are implemented on the condition that a "control bit" is in the state 1 — can be dramatically simplified compared to the standard approach.

2011-08-01 12:07:38

No-one likes a know-it-all but we expect to be able to catch them out: someone who acts like they know everything but doesn't can always be tripped up with a well-chosen question.

2011-07-07 19:14:55

Researchers at the National Institute of Standards and Technology (NIST) have created a tunable superconducting circuit on a chip that can place a single microwave photon (particle of light) in two frequencies, or colors, at the same time.

2011-06-15 11:51:11

Researchers in Singapore and Norway implement a perfect eavesdropper that illustrates an overlooked loophole in secure communications technology.

2011-03-17 12:02:59

A team of physicists in the United Kingdom has taken a giant step toward realizing efficient single-photon sources, which are expected to enable much-coveted completely secure optical communications, also known as "quantum cryptography."

2011-03-10 18:27:56

Northwestern University researchers have developed a new switching device that takes quantum communication to a new level.

2011-03-02 09:25:19

A research group led by scientists from the University of Bristol has demonstrated the quantum operation of new components that will enable compact circuits for future photonic quantum computers.

Word of the Day
  • To play, gamble.
  • To impose upon; delude; trick; humbug; also, to joke; chaff.
  • A deceitful game or trick; trickery; humbug; nonsense.
The word 'gammon' in the sense of 'joke, trick' may come from 'backgammon'.