This article was posted by CrystalWind.ca

A+ A A-

Scientists ‘Freeze’ Light For an Entire Minute

scientists_freeze_light

In what could prove to be a major breakthrough in quantum memory storage and information processing, German researchers have frozen the fastest thing in the universe: light. And they did so for a record-breaking one minute. It sounds weird and it is. The reason for wanting to hold light in its place (aside from the sheer awesomeness of it) is to ensure that it retains its quantum coherence properties (i.e. its information state), thus making it possible to build light-based quantum memory.

And the longer that light can be held, the better as far as computation is concerned. Accordingly, it could allow for more secure quantum communications over longer distances. Needless to say, halting light is not easy — you can't just put in the freezer.

Light is electromagnetic radiation that moves at 300 million meters per second. Over the course of a one minute span, it can travel about 11 million miles (18 million km), or 20 round trips to the moon. So it's a rather wily and slippery medium, to say the least. But light can be slowed down and even halted altogether.

And in fact, researchers once kept it still for 16 seconds by using cold atoms. For this particular experiment, researcher Georg Heinze and his team converted light coherence into atomic coherences.

They did so by using a quantum interference effect that makes an opaque medium — in this case a crystal — transparent over a narrow range of light spectra (a process called electromagnetically induced transparency (EIT)). The researchers shot a laser through this crystal (a source of light), which sent its atoms into a quantum superposition of two states.

A second beam then switched off the first laser, and as a consequence, the transparency. Thus, the researchers collapsed the superposition — and trapped the second laser beam inside.

 

light_pulse_graph

And they proved the accomplishment by storing — and then successfully retrieving — information in the form of a 100-micrometer-long picture with three horizontal stripes on it.

"The result outperforms earlier demonstrations in atomic gases by about six orders of magnitude and offers exciting possibilities of long-storage-time quantum memories that are spatially multiplexed, i.e., can store different quantum bits as different pixels," notes physicist Hugues de Riedmatten in an associated Physics Review article.

In future, the researchers will try to use different substances to increase the duration of information storage even further.


Source Here

Read the entire study at Physical Review Letters: "Stopped Light and Image Storage by Electromagnetically Induced Transparency up to the Regime of One Minute."

Sources: New Scientist - American Physical Society

 


CrystalWind.ca is free to access and use.
Please support us with a small gift of $11.11 or $22.22 or $33.33. 

or
Please buy us a coffee!
Thank you!
ॐ Namasté - Blessings!
"Life is an echo, what you send out comes back."
© 2008-2021 crystalwind.ca. All rights reserved.
Pin It

Featured Writers

Free Reading Here!!

crystal-wind-oracle-mobile-app
 
Cut Through The Illusions!
Available On The
Apple  / Android / Amazon
NEW Expanded Version - 53 cards!

Articles: AndEl: Technology

Who is Online Now

We have 1489 guests and no members online

Featured This Month

Page:

Gemini

Gemini

GEMINI May 21 - June 20 Spirit: To investigate Objectives: To advance by ... Read more

Birth Totem - Deer

Birth Totem - Deer

Birth dates: May 21 - June 20 Birth Totem is: Deer Clan of: Butterfly (Air... Read more

Citrine

Citrine

The Clearing Stone Citrine’s wide range of colours enables it to help balan... Read more

Deer Medicine

Deer Medicine

Deer is not only a medicine someone can carry, it is a Native American birth... Read more

Yarrow

Yarrow

Helps you create the future of your dreams Gender: Feminine Planet: Venus ... Read more

Litha - The Midsummer Solstice

Litha - The Midsummer Solstice

The Litha festival is one of the lesser Sabbats of the Witches annual calend... Read more

Gemini Mythology

Gemini Mythology

The Story Behind the Gemini Zodiac Sign The origins of some constellation m... Read more

Celestite

Celestite

The Divine Listener Stone Celestite has remarkable relaxing and uplifting a... Read more

Rutilated Quartz

Rutilated Quartz

The Energy Buster Stone Rutilated Quartz is an illuminator for the soul, pr... Read more

Crystal Gem: Grids and Gridding

Crystal Gem: Grids and Gridding

What are Crystal Gem Grids? They are tools for empowerment, for blessings, ... Read more

Litha Sabbat - The Summer Solstice

Litha Sabbat - The Summer Solstice

Gardens are blooming, and summer is in full swing. Fire up the barbeque, turn ... Read more

Sun in Gemini

Sun in Gemini

Sun in Gemini May 22 through June 21 An Overview of Sun Sign Characteristic... Read more

The Hawthorn Tree - May 13 - June 9

The Hawthorn Tree - May 13 - June 9

Celtic Symbol : The Chalice Zodiac Degrees : 21º00` Taurus - 17º59 Gemini ... Read more

Cornplanting Moon

Cornplanting Moon

Deer – Moss Agate – Yarrow – Green and White May 21 to June 20 The Cornpla... Read more

A Simple Summer Solstice Ritual with Crystal…

A Simple Summer Solstice Ritual with Crystals

June 20, 2016 is this year’s summer solstice, marking&n... Read more

© 2008-2021 CrystalWind.ca. Site Creation by CreativeInceptions.com.
X

Right Click

No right click