Direct amplitude modulation of lasers

Details Direct amplitude modulation of lasers Direct amplitude modulation of lasers

1994-03-22

1996-03-26

Bovernick, Rodney B.

Coherent light generators

Particular resonant cavity

Distributed feedback

372 26, 372 50, H01S 3096, H01S 310, H01S 318

Patent

active

055027415

ABSTRACT:
A DFB laser is provided with a top electrode divided symmetrically into two or three in-line separate elements through which a bias current is applied with a symmetrical distribution and through which a modulation current is applied with an antisymmetric (push-pull) distribution.

REFERENCES:
patent: 4932034 (1990-06-01), Usami et al.
patent: 5170402 (1992-12-01), Ogita et al.
patent: 5274649 (1993-12-01), Hirayama et al.
Yoshikumi, "Independent Modulation in Amplitude And Frequency Regimes . . . ", Feb. 1986 Optical Fiber Communication Conference, pp. 32-33.
Nilsson, "Formulas For Direct Frequency Modulation Response . . . ", Electronic Letters, vol. 23, No. 25, Dec. 3, 1987, pp. 1371-1372.
Macenac, "Quantrum-Mechanical Model For Realistic Fabry-Perot Lasers", IEE Proceedings-J, vol. 140, No. 3, Jun. 1993, pp. 157-171.
White, "Line Narrowed Picosecond Optical Pulse Generation . . . ", Electronics Letters, vol. 28, No. 13, Jun. 18, 1992, pp. 1257-1258.
Nowell, "Comparisons of Modeling Methods, Applied to Low Chirp Push-Pull DFB Structures", Abstract From SIOE '93 Proceedings, Oct. 1993.
Nowell, "Chirp Reduction Using Push-Pull Modulation of Three Contact Lasers", Accepted To Be Published Dec. 1993, 14 pages.
Yoshiikumi, "Multielectrode Distributed Feedback Laser For Pure Frequency . . . ", Journal of Lightwave Technology, vol. LP-5, No. 4, Apr. 1987, pp. 516-522.
Nilsson, "Small-Signal Response Of A Semiconductor Laser . . . ", Applied Physics Letters, vol. 46, No. 3, 1 Feb. 1985, pp. 223-225.
Hale, "Vector Modulation of Split-Contact DFB Lasers", IEE Proceedings-J, vol. 138, No. 2, Apr. 1991, pp. 109-112.
Griffin, "Substantial Reduction of Dynamic Wavelength Chirp . . . ", Electronics Letters, vol. 28, No. 22, Oct. 22, 1992, pp. 2045-2046.
Olesen, "Proposal of Novel Gain-Levered MQW DFB Lasers . . . ", IEEE Photonics Technology Letters, vol. 5, No. 6, Jun. 1993, pp. 599-602.

Affiliated with

Also associated with

Rating

Direct amplitude modulation of lasers does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Direct amplitude modulation of lasers, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Direct amplitude modulation of lasers will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-921875