FULL-DUPLEX OPTICAL DATA LINK FOR LIDAR DEVICES

1 . A sensing device, comprising:

a first optical transceiver disposed on a first part of the sensing device; and

a second optical transceiver disposed on a second part of the sensing device,

wherein:

the first and second optical transceivers are configured to be wirelessly coupled to each other and simultaneously transmit signals to each other; and

the first part is configured to rotate relative to the second part.

2 . The sensing device of claim 1 , wherein the first and second optical transceivers are configured to simultaneously transmit signals to each other using non-interfering light signals.

3 . The sensing device of claim 1 , wherein:

the first optical transceiver comprises a first light emitter configured to emit a first light signal at a first wavelength; and

the second optical transceiver comprises a second light emitter configured to emit a second light signal at a second wavelength, the second wavelength being different from the first wavelength.

4 . The sensing device of claim 3 , wherein:

the first optical transceiver comprises a first detector configured to detect the second light signal at the second wavelength; and

the second optical transceiver comprises a second detector configured to detect the first light signal at the first wavelength.

5 . The sensing device of claim 4 , wherein at least one of the first or second detector comprises an optical filter permitting transmission of light of the first or second wavelength.

6 . The sensing device of claim 1 , wherein the first and second optical transceivers are configured to continuously transmit signals to each other during a full rotation of the first part relative to the second part.

7 . The sensing device of claim 1 , wherein the first and second parts each comprises a planar surface configured to face each other.

8 . The sensing device of claim 1 , wherein at least one of the first or second part is in a donut shape, surrounding the other part.

9 . A method for information exchange within a sensing device, the method comprising:

transmitting, by a first optical transceiver disposed on a first part of the sensing device, information related to a sensing signal to a second optical transceiver disposed on a second part of the sensing device; and

simultaneously receiving, by the first optical transceiver, signals transmitted from the second optical transceiver,

wherein:

the first and second optical transceivers are configured to be wirelessly coupled to each other; and

the first part is configured to rotate relative to the second part.

10 . The method of claim 9 , comprising:

transmitting, by the second optical transceiver, the signals to the first optical transceiver using light signals not interfering with the transmission of the information by the first optical transceiver.

11 . The method of claim 9 , comprising:

emitting, by a first light emitter of the first optical transceiver, a first light signal at a first wavelength; and

emitting, by a second light emitter of the second optical transceiver, a second light signal at second wavelength, the second wavelength being different from the first wavelength.

12 . The method of claim 11 , comprising:

detecting, by a first detector of the first optical transceiver, the second light signal at the second wavelength; and

detecting, by a second detector of the second optical transceiver, the first light signal at the first wavelength.

13 . The method of claim 12 , wherein at least one of the first or second detector comprises an optical filter permitting transmission of light of the first or second wavelength.

14 . The method of claim 9 , comprising:

continuously exchanging data between the first and second optical transceivers during a full rotation of the first part relative to the second part.

15 . A sensing system, comprising:

a first part, comprising:

at least one optical sensor configured to scan a surrounding environment of the sensing device by emitting an optical signal to an object in the surrounding environment;

at least one photo detector configured to receive a returning optical signal reflected by the object to generate a sensing signal;

a first optical transceiver configured to communicate information related to the sensing signal with a second part of the sensing device; and

the second part, comprising:

a second optical transceiver configured to wirelessly coupled to the first optical transceiver to communicate the information related to the sensing signal,

wherein:

the first and second optical transceivers are configured to simultaneously transmit data to each other; and

the first part is configured to rotate relative to the second part.

16 . The sensing system of claim 15 , wherein the first and second optical transceivers are configured to simultaneously transmit data to each other using non-interfering light signals.

17 . The sensing system of claim 15 , wherein:

the first optical transceiver comprises a first light emitter configured to emit a first light signal at a first wavelength; and

the second optical transceiver comprises a second light emitter configured to emit a second light signal at a second wavelength, the second wavelength being different from the first wavelength.

18 . The sensing system of claim 17 , wherein:

the first optical transceiver comprises a first detector configured to detect the second light signal at the second wavelength; and

the second optical transceiver comprises a second detector configured to detect the first light signal at the first wavelength.

19 . The sensing system of claim 15 , wherein the first and second optical transceivers are configured to continuously transmit signals to each other during a full rotation of the first part relative to the second part.

20 . The sensing system of claim 15 , comprising a Light Detection and Ranging (LiDAR) device.