US 12,436,647 B2
Systems and methods to control cross-talk of an optical fiber-based sensing module
Harish Govindarajan, San Jose, CA (US); Yazan Z. Alnahhas, Stanford, CA (US); Prabhakar Gulgunje, Cupertino, CA (US); Shubhaditya Majumdar, Santa Clara, CA (US); Wei Lin, Santa Clara, CA (US); Jianmin Gong, San Jose, CA (US); Anael A. Guilmo, Sunnyvale, CA (US); Yohai Zmora, San Francisco, CA (US); Meng Zhang, San Diego, CA (US); and Jeffrey B. Fixler, Mountain View, CA (US)
Assigned to Apple Inc., Cupertino, CA (US)
Filed by Apple Inc., Cupertino, CA (US)
Filed on Jun. 18, 2024, as Appl. No. 18/747,231.
Claims priority of provisional application 63/511,545, filed on Jun. 30, 2023.
Prior Publication US 2025/0004598 A1, Jan. 2, 2025
Int. Cl. G06F 3/042 (2006.01); G02B 6/036 (2006.01); G02B 6/42 (2006.01)
CPC G06F 3/0421 (2013.01) [G02B 6/036 (2013.01); G02B 6/4202 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An electronic device, comprising:
a cover material;
a transmitter optical fiber including a first core and a first absorptive jacket circumferentially surrounding the first core; and
a receiver optical fiber including a second core and a second absorptive jacket circumferentially surrounding the second core,
wherein the cover material is separated from a top portion of the transmitter optical fiber, or the cover material is separated from a top portion of the receiver optical fiber, by a threshold distance of less than 200 micrometers.