[15p-E302-1~10] Emergence of novel superconducting device by spaciotemporal manipulation

[15p-E302-4] Research and development of high sensitivity receivers and SIS-based devices for (sub-)millimeter-wave ratio astronomy in the 2030s

〇Takafumi Kojima¹, Makise Kazumasa¹, Ezaki Shohei¹, Tamura Tomonori¹, Miyachi Akihira¹, Shan Wenlei¹, Kaneko Keiko¹, Sakai Ryo¹, Imada Hiroaki¹, Uemizu Kazunori¹, Masui Sho^1,2, Uzawa Yoshinori¹ (1.NAOJ, 2.Osaka Metrop. Univ.)

Keywords:superconductor, high sensitivity, receiver

This talk will give an overview of the high sensitivity receiver frontends installed on the current ALMA telescope which has been in operation since 2011. It will also include the history of the wideband technology development over the last decade and an upgrade of the receivers aiming at the wide instantaneous bandwidth twice greater than the current telescope system for the ALMA2 project. In addition, the currently ongoing studies for a multibeam receiver and novel superconducting devices are outlined.