US 11,953,729 B2
Low loss high efficiency photonic phase shifter with dielectric electrodes
Nikhil Kumar, Palo Alto, CA (US)
Assigned to PSIQUANTUM, CORP., Palo Alto, CA (US)
Filed by PsiQuantum, Corp., Palo Alto, CA (US)
Filed on Feb. 6, 2023, as Appl. No. 18/106,220.
Application 18/106,220 is a continuation of application No. 17/671,368, filed on Feb. 14, 2022, granted, now 11,573,375.
Application 17/671,368 is a continuation of application No. 17/160,133, filed on Jan. 27, 2021, granted, now 11,300,732, issued on Apr. 12, 2022.
Claims priority of provisional application 62/967,166, filed on Jan. 29, 2020.
Prior Publication US 2023/0266537 A1, Aug. 24, 2023
Int. Cl. G02B 6/293 (2006.01); G02B 6/27 (2006.01); G02B 6/35 (2006.01); G02F 1/21 (2006.01)
CPC G02B 6/29353 (2013.01) [G02B 6/2766 (2013.01); G02B 6/3502 (2013.01); G02F 1/212 (2021.01)] 20 Claims
OG exemplary drawing
 
1. A device comprising:
a first dielectric electrode;
a second dielectric electrode that is separated from the first dielectric electrode by a gap;
a waveguide structure electrically connected to the first dielectric electrode and the second dielectric electrode,
the first dielectric electrode and the second dielectric electrode being controllable to apply an electric field within the waveguide structure,
the waveguide structure comprising a material having a first dielectric constant in a direction,
the first dielectric electrode and the second dielectric electrode comprising a second dielectric constant in the direction that is greater than the first dielectric constant in the direction, and
the first dielectric electrode and the second dielectric electrode being separated along the direction.