Multi-wavelength mode locked laser

Details Multi-wavelength mode locked laser Multi-wavelength mode locked laser

2007-05-16

2009-11-03

Nguyen, Dung T (Department: 2828)

Coherent light generators

Particular beam control device

Mode locking

C372S023000, C372S026000

Reexamination Certificate

active

07613214

ABSTRACT:
A mode-locked laser employs a light-wavelength-dependent, path-length adjuster to provide different path-lengths for multiple light frequencies and dual modulation frequencies selecting multiple modes with different wavelengths. The result is a single cavity laser producing mode-locked light outputs at defined different frequencies. Tuning of each frequency may be obtained by changing the laser modulation frequencies.

REFERENCES:
patent: WO 99/39411 (1999-08-01), None
Deparis et al. (IDS NPL: Round-trip times and dispersion optimization in a dual-wavelength actively mode-locked Er-doped fiber laser including nonchirped fiber Bragg gratings; IEEE Photonics Technology letter, Oct. 1999).
Shenping Li and K.T. Chan, Electrical Wavelength Tunable and Multiwavelength Actively Mode-Locked Fiber Ring Laser, Apr. 20, 1998, pp. 1954-1956, Vo. 72, No. 16, Applied Physics Letters, Woodbury, NY.
Kraetschmer T et al: “Multiwavelength Frequency-Division-Mulitplexed Light Source Based on Dispersion-Mode-Locking”; IEEE Photonics Technology Letters; Piscataway, NJ; vol. 19., No. 20; Oct. 15, 2007; pp. 1607-1609.
Shenping Li et al: “Electrical Wavelength Switching of Modelocked Er-doped Fiber Ring Laser with Two Fiber Gratings”; CLEO '97, Baltimore, MD; May 18, 1997, vol. 11, pp. 473-474.
Zhichao Deng et al: “Dual-wavelength passively mode-locked fiber ring laser”; Electrical and Computer Engineering, 2004. IEEE May 2, 2004, pp. 849-852, vol. 2; Piscataway, NY.
Deparis O et al: “Round-Trip Time and Dispersion Optimization in a Dual-Wavelength Actively Mode-Locked Er-Doped Fiber Laser Including Nonchirped Fiber Bragg Gratings”; IEEE Photonics Technology Letters, vol. 11, No. 10: Oct. 1, 1999.
Shenping Li et al: “Electrical Wavelength-Tunable Actively Mode-Locked Fiber Ring Laser with a Linearly Chirped Fiber Bragg Grating”, IEEE Photonics Technology Letters, Piscataway, NJ: vol. 10, No. 6, Jun. 1, 1998.

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