TWO DIMENSIONAL OPTICAL PHASED ARRAY PHOTONIC INTEGRATED CIRCUIT FOR FOCUSED OPTICAL IMAGING ENABLING SCANNING AND ADAPTIVE OPTICS FOR BIOPHOTONICS

1 . An optical imaging device comprising:

a source configured to generate signals;

an optical phased array (OPA), operatively coupled to the source, the OPA being configured to transmit signals from the source towards an object to be imaged;

a receiver configured to receive resultant signals from the object, wherein the resultant signals are based on the transmitted signals and the resultant signals include at least one signal relating to excitation of the object; and

one or more processors operatively coupled to the OPA, the receiver, and the source, the one or more processors configured to generate an image based on received resultant signals.

2 . The optical imaging device of claim 1 , wherein the source, the OPA, and the one or more processors are included on a first photonic integrated circuit (PIC).

3 . The optical imaging device of claim 2 , wherein the receiver is included on the first PIC.

4 . The optical imaging device of claim 2 , further comprising a plurality of PICs each including a source, and an OPA.

5 . The optical imaging device of claim 4 , wherein each PIC of the plurality of PICs has a differing field of view (FOV).

6 . The optical imaging device of claim 4 , wherein the first PIC and the plurality of PICs are formed in an array.

7 . The optical imaging device of claim 6 , wherein the array is a hollow cylinder.

8 . The optical imaging device of claim 1 , further comprising a mirror configured to direct signals from the OPA towards the object to be imaged and resultant signals towards the receiver.

9 . The optical imaging device of claim 8 , wherein the mirror is a dichroic mirror including different reflection or transmission properties of signals at different wavelengths.

10 . The optical imaging device of claim 1 , further comprising a lens group including one or more beam extending lenses, the beam extending lenses configured to increase a numerical aperture of signals directed towards the object to be imaged.

11 . The optical imaging device of claim 1 , further comprising a lens configured to focus signals onto the receiver.

12 . The optical imaging device of claim 1 , wherein the receiver includes a camera, a photomultiplier tube (PMT), or a single photon counting superconducting nanowire array.

13 . The optical imaging device of claim 1 , wherein the receiver includes one or more amplifiers and one or more photodiodes.

14 . The optical imaging device of claim 1 , wherein the image is a 3D image.

15 . The optical imaging device of claim 1 , wherein the image includes both structural and spectroscopic information of the object.

16 . The optical imaging device of claim 15 , wherein the spectroscopic attributes include at least one or more of temperature, material identification or biological functionality level determinations.

17 . A method of optical imaging, the method comprising:

generating, by one or more processors of a device, a first signal having a first imaging depth;

generating, by the one or more processors of the device, a second signal having a second imaging depth;

transmitting, by an optical phased array (OPA) of the device, the first signal and the second signal towards an object to be imaged;

receiving, by the OPA of the device, a third signal from the object, wherein the third signal is a resultant signal of the first signal, the resultant signal relating to excitation of the object;

receiving, by the OPA of the device, a fourth signal from the object, wherein the fourth signal is a resultant signal of the second signal; and

generating, by the one or more processors of the device, an image based on the third signal and the fourth signal.

18 . The method of claim 17 , wherein the device is an optical imaging device.

19 . The method of claim 17 , wherein the object includes biological tissue.

20 . The method of claim 17 , wherein the first imaging depth is different from the second imaging depth.