Global Patent Index - EP 1038342 A1

EP 1038342 A1 20000927 - METHOD FOR CONTROLLING A UNIPOLAR SEMICONDUCTOR LASER

Title (en)

METHOD FOR CONTROLLING A UNIPOLAR SEMICONDUCTOR LASER

Title (de)

KONTROLVERFAHREN EINER MONOPOLAREN HALBLEITERLASER

Title (fr)

PROCEDE DE CONTROLE D'UN LASER SEMICONDUCTEUR UNIPOLAIRE

Publication

EP 1038342 A1 20000927 (FR)

Application

EP 99947549 A 19991012

Priority

  • FR 9902457 W 19991012
  • FR 9812812 A 19981013

Abstract (en)

[origin: FR2784514A1] The unipolar semiconductor laser control method has a stack of semiconductor layers forming a quantum well. Photonic energy is created by the difference between two energy levels (E1,E2). An optical pump transmits a control beam of photonic energy at a wavelength at or above the forbidden band of the semiconductor layer, from an initial photonic level (E3).

IPC 1-7

H01S 5/00

IPC 8 full level

H01S 5/34 (2006.01); H01S 5/04 (2006.01); H01S 5/06 (2006.01); H01S 5/12 (2006.01)

CPC (source: EP US)

B82Y 20/00 (2013.01 - EP US); H01S 5/3402 (2013.01 - EP US); H01S 5/041 (2013.01 - EP US); H01S 5/0608 (2013.01 - EP US); H01S 5/1228 (2013.01 - EP US)

Citation (search report)

See references of WO 0022704A1

Designated contracting state (EPC)

CH DE GB IT LI

DOCDB simple family (publication)

FR 2784514 A1 20000414; FR 2784514 B1 20010427; EP 1038342 A1 20000927; US 6738404 B1 20040518; WO 0022704 A1 20000420

DOCDB simple family (application)

FR 9812812 A 19981013; EP 99947549 A 19991012; FR 9902457 W 19991012; US 58116900 A 20000613