A dispersion managed interferometric fiber optic gyroscope (100, 200, 710) comprising: a broadband light source (101, 201) configured to provide an input signal; a coupler (105, 207) coupled to the broadband light source via a first input fiber (103, 203), the first input fiber configured to carry the input signal from the broadband light source to the coupler, wherein the coupler has a first coupler output and a second coupler output; a rate detector (109, 213) coupled to the second coupler output via an output fiber (107, 209); an integrated optical circuit (110, 210) comprising: a beamsplitter (111, 211) that directs the input signal to a first output and a second output; a combiner (111, 211) coupled to the first output and the second output, the combiner configured to combine a first return signal from the first output and a second return signal from the second output into a combined return signal; an integrated optical circuit input coupled to the first coupler output via a second input fiber, the second input fiber configured to carry the input signal from first coupler output to the integrated optical circuit input and the combined return signal from the integrated optical circuit input to the coupler; a first pigtail fiber (121, 221) coupled to the first output; a second pigtail fiber (123, 223) coupled to the second output; a fiber optic gyroscope sensing coil (120, 220) coupled to the first pigtail fiber and second pigtail fiber, the fiber optic gyroscope sensing coil comprising one or more sensing fibers (125, 225), wherein the first pigtail fiber carries the input signal to the fiber optic gyroscope sensing coil and the first return signal from fiber optic gyroscope sensing coil to the first output, wherein the second pigtail fiber carries the input signal to the fiber optic gyroscope sensing coil and the second return signal from fiber optic gyroscope sensing coil to the second output; characterized in that at least one of the first input fiber, second input fiber, first pigtail fiber, second pigtail fiber, and the one or more sensing fibers have offsetting dispersion slopes such that the total length-integrated dispersion of the multiple fibers results in at least one of the input signal or combined return signal at the integrated optical circuit input having a second order coherence g11 substantially equal to two. a broadband light source (101, 201) configured to provide an input signal; a coupler (105, 207) coupled to the broadband light source via a first input fiber (103, 203), the first input fiber configured to carry the input signal from the broadband light source to the coupler, wherein the coupler has a first coupler output and a second coupler output; a rate detector (109, 213) coupled to the second coupler output via an output fiber (107, 209); an integrated optical circuit (110, 210) comprising: a beamsplitter (111, 211) that directs the input signal to a first output and a second output; a combiner (111, 211) coupled to the first output and the second output, the combiner configured to combine a first return signal from the first output and a second return signal from the second output into a combined return signal; an integrated optical circuit input coupled to the first coupler output via a second input fiber, the second input fiber configured to carry the input signal from first coupler output to the integrated optical circuit input and the combined return signal from the integrated optical circuit input to the coupler; a beamsplitter (111, 211) that directs the input signal to a first output and a second output; a combiner (111, 211) coupled to the first output and the second output, the combiner configured to combine a first return signal from the first output and a second return signal from the second output into a combined return signal; an integrated optical circuit input coupled to the first coupler output via a second input fiber, the second input fiber configured to carry the input signal from first coupler output to the integrated optical circuit input and the combined return signal from the integrated optical circuit input to the coupler; a first pigtail fiber (121, 221) coupled to the first output; a second pigtail fiber (123, 223) coupled to the second output; a fiber optic gyroscope sensing coil (120, 220) coupled to the first pigtail fiber and second pigtail fiber, the fiber optic gyroscope sensing coil comprising one or more sensing fibers (125, 225), wherein the first pigtail fiber carries the input signal to the fiber optic gyroscope sensing coil and the first return signal from fiber optic gyroscope sensing coil to the first output, wherein the second pigtail fiber carries the input signal to the fiber optic gyroscope sensing coil and the second return signal from fiber optic gyroscope sensing coil to the second output; characterized in that at least one of the first input fiber, second input fiber, first pigtail fiber, second pigtail fiber, and the one or more sensing fibers have offsetting dispersion slopes such that the total length-integrated dispersion of the multiple fibers results in at least one of the input signal or combined return signal at the integrated optical circuit input having a second order coherence g11 substantially equal to two.