US 12,278,665 B2
Impulsive detection techniques in free space optical communications
Thomas M. Chaffee, Lexington, VA (US); and Wayne H. Knox, Rochester, NY (US)
Assigned to Attochron, LLC, Lexington, VA (US)
Filed by Attochron, LLC, Lexington, VA (US)
Filed on Nov. 12, 2024, as Appl. No. 18/944,683.
Application 18/944,683 is a continuation of application No. 18/756,381, filed on Jun. 27, 2024, granted, now 12,149,290.
Application 18/756,381 is a continuation of application No. 18/590,908, filed on Feb. 28, 2024, granted, now 12,052,059, issued on Jul. 30, 2024.
Application 18/590,908 is a continuation of application No. 18/514,849, filed on Nov. 20, 2023, granted, now 11,949,457, issued on Apr. 2, 2024.
Application 18/514,849 is a continuation of application No. 18/364,450, filed on Aug. 2, 2023, granted, now 11,831,354, issued on Nov. 28, 2023.
Prior Publication US 2025/0070884 A1, Feb. 27, 2025
This patent is subject to a terminal disclaimer.
Int. Cl. H04B 10/04 (2006.01); H04B 10/50 (2013.01); H04B 10/508 (2013.01); H04B 10/516 (2013.01)
CPC H04B 10/5162 (2013.01) [H04B 10/502 (2013.01); H04B 10/508 (2013.01)] 19 Claims
OG exemplary drawing
 
1. An optical system, the optical system comprising:
a superluminescent diode optical source configured to generate a beam of light;
a modulator system configured to:
time slice the beam of light, and
modulate the sliced beam of light;
an erbium-doped fiber amplifier configured to amplify the modulated and sliced beam of light,
wherein time slicing the beam of light includes removing at least 90% of a bit duration for a given time window, the sliced beam of light has an average power equal to or less than 10% of an average power of the beam of light, and the erbium-doped fiber amplifier is configured to amplify the modulated and sliced beam of light by a gain of at least a factor of 10.