US 12,359,907 B2
Interferometer filters with partial compensation structure
Koustuban Ravi, Oakland, CA (US)
Assigned to Psiquantum, Corp., Palo Alto, CA (US)
Filed by Psiquantum, Corp., Palo Alto, CA (US)
Filed on May 31, 2023, as Appl. No. 18/204,181.
Application 18/204,181 is a continuation of application No. 17/538,926, filed on Nov. 30, 2021, granted, now 11,703,316.
Prior Publication US 2024/0027179 A1, Jan. 25, 2024
Int. Cl. G01B 9/02 (2022.01); G02B 6/12 (2006.01); G02B 6/293 (2006.01)
CPC G01B 9/02049 (2013.01) [G02B 6/2935 (2013.01); G02B 2006/12159 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An optical filter comprising:
a first waveguide extending between a first coupler section and a second coupler section, wherein the first waveguide comprises a plurality of buffer sections and a plurality of first taper sections, each first taper section of the plurality of first taper sections being disposed between a set of buffer sections of the plurality of buffer sections; and
a second waveguide extending between the first coupler section and the second coupler section and including a plurality of compensation sections and a plurality of second taper sections, each second taper section of the plurality of second taper sections being disposed between a set of compensation sections of the plurality of compensation sections.