The calculation of the interband absorption coefficient was carried out in the classical case, when the frequency of light was assumed to bind two miniband subbarrier states of different bands. The influence of two dimensional Mott excitons on this absorption was studied and a comparison was made with the experiment. All of these considerations were done taking into account the photon wave vector (the phase spatial heterogeneity). The basic traits of the energy spectra of superlattice semiconductors, their kinetic and optical properties, and possible means of electromagnetic wave intensification were examined. By the density matrix method, a theory of electrical and electromagnetic properties of superlattices was suggested

Arutyunyan, G. M.

Nerkararyan, K. V.

English

NASA Technical Reports Server

UNCLASSIFIED
SEQUENCE HR: CSB80226457 USER-ZVET I HAE SEARCH ID-83JUN09/17.40.41/A63
TITLE:
DOCREFEREHCE:
INFOLOCATION:
INFODATE:
COSATI:
CLASS/DOWNGRADE:
SUBBARRIER" ABSORPTION IN A STATIONARY SUPERLATTICE
IZVESTIYA AKADEKII NAUK ARKYANSKOY SSR, FIZIKA
80, VOL. 15, NO. 3, 162-167
USSR
800220.
PHYSICS
UNCLASSIFIED
CONTROL MARKINGS: NONE.
TEXT: AUTHOR ABSTRACT. DOCUMENT CONTAINS 2 DIAGRAMS.
THE CALCULATION OF THE INTERBAND ABSORPTION COEFFICIENT WAS CARRIED
OUT IN THE CLASSICAL CASE, WHEN THE FREQUENCY OF LIGHT WAS ASSUMED TO
BIND TWO MINIBAND SUBBARRIER STATES OF DIFFERENT BANDS. THE
INFLUENCE OF TWO DIMENSIONAL MOTT EXCITONS ON THIS ABSORPTION WAS
STUDIED AND A COMPARISON WITH EXPERIMENT WAS MADE. ALL THESE
CONSIDERATIONS WERE CARRIED OUT TAKING INTO ACCOUNT THE PHOTON WAVE
VECTOR (THE PHASE SPATIAL INHOMOGENE I TY ) .
PFLN INFORMATION (PART 001)
/^""SUBSET CONTENTS: DOCUMENT A UTHOR ( S ) /PERSON AL I T Y , F A C I L I T Y SUBORDINATION
DATA
PERSONALITY :
NATIONALITY:
ARUTYUNYAN,G-M
USSR
PERSONALITY :
NATIONALITY :
NERKARARYAN,KH-V
USSR
FACILITY :
SUPERIOR:
NATIONALITY
Nil FIZIKI
YEGU
USSR
KONDENSIROVANNYKH SRED
PFN RELATIONSHIP: (P/0000562002) A R U T Y U N Y A N ; ( F/0872009000) Nil FIZIKI
KONDENSIROVANNYKH SRED. ( P/0132336000) NERKARARYAN
(F/0872009000) Nil FIZIKI KONDENSIROVANNYKH SRED.
UNCLASSIFIED PAGE 113
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https://ntrs.nasa.gov/search.jsp?R=19840012334 2020-03-21T00:22:59+00:00Z
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SUB-BARRIER ABSORPTION IN A STATIONARY SUPERLATTICE
G M HARUTYUNYAN, Kh. V NERKARARYAN
The ca l cu l a t i on of the in terband absorption coef f ic ien t was carried out in the-
"classical" case, when the f r equency of light was assumed to bind two min iband sub-
barrier states of d i f f e r e n t bands The i n f l u e n c e of two — d i m e n s i o n a l Viott excitons or
th is absorpt,on was s tud ied and a comparison w i t h experiment \vas made All these
considerat ions were carried out taking in to account the photon , \ u \ e sector ( t h e
phcise spa t i a l inhomogene i t j )
76_2
/ ij rj-h y n L/? i n t^i i
Ijivitup
 f n ^ -


Subbarrier absorption in a stationary superlattice

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