(19)
(11) EP 1 794 805 A1

(12)

(43) Date of publication:
13.06.2007 Bulletin 2007/24

(21) Application number: 05796396.9

(22) Date of filing: 08.09.2005
(51) International Patent Classification (IPC): 
H01L 31/0352(2006.01)
H01L 31/102(2006.01)
 H01L 31/0232(2006.01)
H01L 33/00(2006.01)
(86) International application number:
PCT/US2005/032029
(87) International publication number:
WO 2006/031601 (23.03.2006 Gazette 2006/12)
(84) Designated Contracting States:
DE FR GB IT

(30) Priority: 09.09.2004 US 936933
09.09.2004 US 936903

(71) Applicant: RJ Mears, LLC
Waltham, MA 02451 (US)

(72) Inventors:
  • MEARS, Robert J.
    Wellesley, MA 02482 (US)
  • STEPHENSON, Robert John
    Massachusetts 02464-1226 (US)

(74) Representative: Ferreccio, Rinaldo 
c/o Botti & Ferrari S.r.l., Via Locatelli, 5
20124 Milano
20124 Milano (IT)

   


(54) INTEGRATED CIRCUIT COMPRISING AN ACTIVE OPTICAL DEVICE HAVING AN ENERGY BAND ENGINEERED SUPERLATTICE AND ASSOCIATED FABRICATION METHODS