Sub-wavelength terahertz spin-flip laser based on a magnetic point-contact array

• We suggest a terahertz laser in which stimulated emission of light occurs due to spin-flips of polarized electrons injected into a metallic point contact array. The optical gain can reach gopt ≈ 105 ÷ 106 cm-1.

Subject headings

NATURVETENSKAP  -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)

NATURAL SCIENCES  -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)

Keyword

Laser-based

Polarized electrons

Spin-flip

Sub-wavelength

Tera Hertz

Terahertz lasers

Infrared lasers

Point contacts

Publication and Content Type

ref (subject category)

kon (subject category)