Optical communications – Transmitter – Including specific optical elements
Reexamination Certificate
2011-01-25
2011-01-25
Phan, Hanh (Department: 2613)
Optical communications
Transmitter
Including specific optical elements
C398S182000, C398S183000, C372S025000, C372S030000, C385S003000, C385S015000, C385S027000, C359S237000, C359S326000, C359S245000
Reexamination Certificate
active
07877021
ABSTRACT:
In a pulse generator of very high resolution phase and/or intensity profiles, an active mode-locking laser source (1) emits a first train of optical pulses according to a determined period (To), which is intensity-modulated pulse-by-pulse by a modulator (2). The modulated pulses are transmitted to an optical loop (3) via a coupler (4). The optical length of the optical loop is slightly different from the period (To) of the source. The modulated pulses are transmitted to input B of the coupler. The optical loop connects output D to input A of the coupler. This coupler is commanded such that, according to a first command (k=0), it transmits the light received on its two inputs A, B towards output d, and according to a second command (K=1), it transmits the light received on its input (A) towards output (C).
REFERENCES:
patent: 5136532 (1992-08-01), Lefevre
patent: 5557401 (1996-09-01), Maeda et al.
patent: 6504969 (2003-01-01), Tsao et al.
patent: 6724783 (2004-04-01), Jalali et al.
patent: 6987904 (2006-01-01), Kawanishi et al.
patent: 2002/0037135 (2002-03-01), Atieh et al.
patent: 2003/0180046 (2003-09-01), Veith
patent: 2004/0136724 (2004-07-01), Mansbridge
patent: 2005/0163170 (2005-07-01), Okhotnikov et al.
patent: 1349311 (2003-10-01), None
patent: WO 01/80507 (2001-10-01), None
International Search Report, PCT/FR2005/050662, 2 pgs., (Jan. 20, 2006).
Khrushchev, I.Y. et al., “Multiwavelength Pulse Source for OTDM/WDM Applications Based on Arrayed Waveguide Grating”, IEEE Photonics Technology Letters, IEEE Inc. New York, US, vol. 11, No. 12, (Dec. 1999), pp. 1659-1661, XP000926817, ISSN: 1041-1135.
Commissariat a l''Energie Atomique
Nixon & Peabody LLP
Phan Hanh
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