US 11,927,868 B2
Electro-optic polymer devices having high performance claddings, and methods of preparing the same
Youngwoo Yi, Louisville, CO (US); Cory Steven Pecinovsky, Lafayette, CO (US); Michael Stephen Lebby, San Francisco, CA (US); and Richard Anthony Becker, Cupertino, CA (US)
Assigned to Lightwave Logic, Inc., Englewood, CO (US)
Filed by Lightwave Logic, Inc., Englewood, CO (US)
Filed on Jan. 9, 2023, as Appl. No. 18/094,654.
Application 18/094,654 is a continuation of application No. 16/573,257, filed on Sep. 17, 2019, granted, now 11,614,670.
Claims priority of provisional application 62/732,143, filed on Sep. 17, 2018.
Prior Publication US 2023/0251543 A1, Aug. 10, 2023
Int. Cl. G02F 1/361 (2006.01); G02B 1/04 (2006.01); G02F 1/166 (2019.01); G02F 1/365 (2006.01)
CPC G02F 1/166 (2019.01) [G02B 1/046 (2013.01); G02B 1/048 (2013.01); G02F 1/3611 (2013.01); G02F 1/3614 (2013.01); G02F 1/3617 (2013.01); G02F 1/365 (2013.01); G02F 2202/022 (2013.01)] 11 Claims
OG exemplary drawing
 
1. An electro-optic device comprising: (i) an electro-optic polymer core comprising a first host polymer and a first nonlinear optical chromophore; and (ii) a cladding comprising a second host polymer and a second nonlinear optical chromophore; wherein the first nonlinear optical chromophore has a structure according to the general formula (I):
D-Π-A  (I)
wherein D represents a first organic electron-donating group: A represents a first organic electron-accepting group having an electron affinity greater than the electron affinity of D; and Π represents a first bridge covalently bonded to A and D, wherein the first bridge comprises a 2-4 carbon diyl moiety, wherein the diyl moiety is arranged as the shortest path between the first electron-donating group and the first electron-accepting group;
wherein the second nonlinear optical chromophore has a structure according to the general formula (II):
D′-Π′-A′  (II)
wherein D′ represents a second organic electron-donating group; A′ represents a second organic electron-accepting group having an electron affinity greater than the electron affinity of D′; and Π′ represents a second bridge covalently bonded to A′ and D′; and wherein the cladding has an index of refraction that is less than an index of refraction of the electro-optic polymer core, and wherein the second nonlinear optical chromophore is present in the second host polymer in a concentration such that the cladding has a conductivity equal to or greater than at least 10% of the conductivity of the electro-optic polymer core at a poling temperature:
wherein Π′ is less conjugated than Π.