Cryogenic data center rack
A cryogenic rack system can contain a vacuum chamber that includes cryogenic cabinets and a distribution section. The cabinets can include cryogenic-temperature blades supporting electronic and photonic chips that operate at cryogenic temperatures, and room temperature blades supporting electronic and photonic chips that operate at a non-cryogenic temperature.
1 . A cryogenic cabinet rack system, comprising:
a cabinet;
a cryogenic blade in the cabinet, the cryogenic blade supporting a plurality of photonic chips, the cryogenic blade thermally coupled to a cryogenic pipe operable to circulate a cryogenic fluid to cool the plurality of photonic chips to a cryogenic temperature; and
a plurality of room temperature blades in the cabinet, each room temperature blade supporting control chips to operate at a room temperature that is higher than the cryogenic temperature.
2 . The cryogenic cabinet rack system of claim 1 , wherein the plurality of room temperature blades are thermally coupled to cooling pipes to receive a non-cryogenic fluid for cooling the control chips.
3 . The cryogenic cabinet rack system of claim 2 , wherein the non-cryogenic fluid comprises water.
4 . The cryogenic cabinet rack system of claim 1 , wherein the cryogenic fluid comprises helium.
5 . The cryogenic cabinet rack system of claim 1 , wherein the cryogenic cabinet rack system is in an environment having an ambient temperature and the room temperature of the plurality of room temperature blades is cooler than the ambient temperature of the environment.
6 . The cryogenic cabinet rack system of claim 1 , further comprising a thermal shield located in the cabinet to separate the cryogenic blade from the plurality of room temperature blades.
7 . The cryogenic cabinet rack system of claim 6 , wherein the plurality of room temperature blades comprises a first room temperature blade and a second room temperature blade, wherein the first room temperature blade is separated from the second room temperature blade by the cryogenic blade, wherein the cryogenic blade is in the thermal shield and the thermal shield separates the first room temperature blade from the second room temperature blade.
8 . The cryogenic cabinet rack system of claim 6 , wherein the cryogenic pipe is a first cryogenic pipe, wherein the cryogenic fluid is a first cryogenic fluid that cools the plurality of photonic chips to a first cryogenic temperature, and wherein the cryogenic cabinet rack system further comprises a second cryogenic pipe to circulate a second cryogenic fluid that is different from the first cryogenic fluid, and wherein the second cryogenic pipe is thermally coupled to the thermal shield to cool the thermal shield to a second cryogenic temperature that is higher than the first cryogenic temperature.
9 . The cryogenic cabinet rack system of claim 8 , wherein the first cryogenic fluid comprises liquid helium and the second cryogenic fluid comprises liquid nitrogen.
10 . The cryogenic cabinet rack system of claim 8 , wherein the first cryogenic temperature is 2 degrees Kelvin and the second cryogenic temperature of the second cryogenic fluid is 77 degrees Kelvin.
11 . The cryogenic cabinet rack system of claim 1 , comprising a vacuum chamber that comprises the cabinet, wherein the vacuum chamber places the cabinet, the cryogenic blade, and the plurality of room temperature blades in a vacuum.
12 . The cryogenic cabinet rack system of claim 11 , wherein the vacuum chamber comprises a plurality of additional cabinets, each additional cabinet comprising an additional cryogenic blade to support an additional plurality of photonic chips to operate at the cryogenic temperature, each additional cabinet further comprising an additional plurality of room temperature blades supporting additional control chips to operate at the room temperature.
13 . The cryogenic cabinet rack system of claim 11 , wherein the cabinet comprises an access panel for access to the cryogenic blade and the plurality of room temperature blades.
14 . The cryogenic cabinet rack system of claim 13 , wherein the access panel comprises a plurality of vacuum feedthroughs, wherein a vacuum feedthrough comprises data interconnects.
15 . The cryogenic cabinet rack system of claim 14 , wherein the data interconnects comprise optical interconnects and electrical interconnects.
16 . The cryogenic cabinet rack system of claim 1 , wherein the cryogenic cabinet rack system is placed on a ground and the cabinet is a cabinet tower, wherein the cryogenic blade and the plurality of room temperature blades are blade towers arranged in the cabinet tower.
17 . The cryogenic cabinet rack system of claim 16 , wherein the cryogenic blade extends in a vertical direction and wherein the plurality of photonic chips are vertically mounted to the cryogenic blade.
18 . The cryogenic cabinet rack system of claim 16 , wherein the cryogenic blade extends in a vertical direction, and wherein the cryogenic blade further comprises a plurality of horizontal support structures, wherein the plurality of photonic chips are horizontally mounted on the plurality of horizontal structures.
19 . The cryogenic cabinet rack system of claim 1 , wherein the plurality of photonic chips comprises one or more of: photonic integrated circuit photon detectors or photonic integrated circuit switches.
20 . The cryogenic cabinet rack system of claim 1 , wherein the control chips comprise one or more of: electronic integrated circuits or photonic integrated circuit switches.