MOSAIC/Deshima Team
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MOSAIC an on-chip ultra-wideband multi beam spectrometer for the LMT MOSAIC/Deshima team Jochem Baselmans Yoichi Tamura Akira Endo Akio Taniguchi Kenichi Karatsu Koyo Suzuki Soh Ikarashi Tetsutaro Ueda Nuria Llombart Tom Bakx David Thoen Alejandro Pascual Laguna Shahab Dabironezare Sebastian Haenle Andrea Neto Kotaro Kohno Stefan Verheul Tatsuya Takekoshi Delia Zhang Tsuyoshi Ishida Kevin Kouwenhoven Yuki Yoshimura Jochem Baselmans Masato Naruse Juan Bueno Vignesh Muregesan Stephen Yates Robert Huiting Pieter de Visser Ryohei Kawabe Martin Grim Tai Oshima Lorenza Ferrari Takashi Tsukagoshi Shun Ishii Kahwuy Chin Paul van der Werf Junya Suzuki Ultra-wideband spectroscopy: On-Chip spectrometer Lossless F< 1.1 THz Ultra-wideband spectroscopy: On-Chip spectrometer a b Ultra-wideband spectroscopy: On-Chip spectrometer Filter a in b aaa Al strip Readout signalbb a Filter bb FilterFilter in a MKID AlFilter strip in Readout signaloutb Filter inin Readout signal AlAlAl strip stripstrip in ReadoutReadout signal signal aNbTiN ground plane Al stripMKIDFilter Readout signalbout a NbTiN ground planeMKIDMKID in outoutout a a MKIDAl strip Readout signaloutbb NbTiNNbTiNNbTiN ground groundground plane planeplaneFilterMKID NbTiN ground planeFilter MKIDin out antenna antennaAl stripFilterFilter Readout signal NbTiN ground plane inin in lossylossy termination termination antennaantennaantennaAl stripAl strip ReadoutReadoutReadout signal signal signal lossy termination antennaAlMKID strip out lossylossywideband termination termination MKIDs (x3) antenna outout lossylossywideband termination terminationwideband MKIDs (x3) MKIDs (x3) NbTiN ground planeMKIDMKIDMKID out widebandwideband MKIDs MKIDs (x3) (x3) NbTiN groundNbTiN plane ground plane widebandwideband MKIDs MKIDs (x3) (x3) NbTiN ground plane filter channels (x49) antenna filter channels (x49) antenna lossylossyfilter filtertermination termination channels channels (x49) (x49) antennaantenna lossyfilterfilter termination channelschannelsfilter channels(x49) (x49) (x49) widebandwidebandwidebandlossy termination MKIDs MKIDsMKIDs (x3) (x3)(x3) widebandwideband MKIDsMKIDs (x3)(x3) widebandwidebandwidebandwideband MKIDs MKIDs MKIDs MKIDs (x3) (x3) (x3) (x3) THz signalwideband MKIDs (x3) Si lenslet THz signal sapphire substrate THzTHz signalsignal filterfilter channelschannels (x49) (x49) THz signal sapphirewideband substrate MKIDs (x3) SiSiSi lenslet lensletSilenslet lenslet THz signal filtersapphiresapphiresapphire channels substrate substrate substrate (x49) Si lenslet THz signal sapphirefilter channels substrate (x49) THz signal wideband MKIDs (x3) THzTHzTHz signal signalsignalTHz signalwideband MKIDs (x3) THz signal Si lenslet THz signalwidebandwideband MKIDssapphire MKIDs (x3) (x3) substrate Si lenslet THz signal sapphire substrate sapphire substrate Si lenslet THz signal THz signal Si lenslet THzTHz signal signal sapphiresapphire substrate substrate Si lenslet THz signal THzTHz signal signal a b Ultra-wideband spectroscopy: On-Chip spectrometer Filter a in b aaa Al strip Readout signalbb a Filter bb FilterFilter in a MKID AlFilter strip in Readout signaloutb Filter inin Readout signal AlAlAl strip stripstrip in ReadoutReadout signal signal aNbTiN ground plane Al stripMKIDFilter Readout signalbout a NbTiN ground planeMKIDMKID in outoutout a a MKIDAl strip Readout signaloutbb NbTiNNbTiNNbTiN ground groundground plane planeplaneFilterMKID NbTiN ground planeFilter MKIDin out antenna antennaAl stripFilterFilter Readout signal NbTiN ground plane inin in lossylossy termination termination antennaantennaantennaAl stripAl strip ReadoutReadoutReadout signal signal signal lossy termination antennaAlMKID strip out lossylossywideband termination termination MKIDs (x3) antenna outout lossylossywideband termination terminationwideband MKIDs (x3) MKIDs (x3) NbTiN ground planeMKIDMKIDMKID out widebandwideband MKIDs MKIDs (x3) (x3) NbTiN groundNbTiN plane ground plane widebandwideband MKIDs MKIDs (x3) (x3) NbTiN ground plane filter channels (x49) antenna filter channels (x49) antenna lossylossyfilter filtertermination termination channels channels (x49) (x49) antennaantenna lossyfilterfilter termination channelschannelsfilter channels(x49) (x49) (x49) widebandwidebandwidebandlossy termination MKIDs MKIDsMKIDs (x3) (x3)(x3) widebandwideband MKIDsMKIDs (x3)(x3) widebandwidebandwidebandwideband MKIDs MKIDs MKIDs MKIDs (x3) (x3) (x3) (x3) THz signalwideband MKIDs (x3) Si lenslet THz signal sapphire substrate THzTHz signalsignal filterfilter channelschannels (x49) (x49) THz signal sapphirewideband substrate MKIDs (x3) SiSiSi lenslet lensletSilenslet lenslet THz signal filtersapphiresapphiresapphire channels substrate substrate substrate (x49) Si lenslet THz signal sapphirefilter channels substrate (x49) THz signal wideband MKIDs (x3) THzTHzTHz signal signalsignalTHz signalwideband MKIDs (x3) THz signal Si lenslet THz signalwidebandwideband MKIDssapphire MKIDs (x3) (x3) substrate Si lenslet THz signal sapphire substrate sapphire substrate Si lenslet THz signal THz signal Si lenslet THzTHz signal signal sapphiresapphire substrate substrate Si lenslet THz signal THzTHz signal signal a Ultra-wideband spectroscopy: On-Chip spectrometer b Filter 185 - 360 GHz,a R = 500 Spectrometer in b • 350 adetectorsaa Al strip Readout signalbb • 300a MHz readout bandwidth Filter bb • sensitivity ≳ heterodyne FilterFilter in a MKID AlFilter strip in Readout signaloutb Filter inin Readout signal AlAlAl strip stripstrip in ReadoutReadout signal signal aNbTiN ground plane Al stripMKIDFilter Readout signalbout a NbTiN ground planeMKIDMKID in outoutout a a MKIDAl strip Readout signaloutbb NbTiNNbTiNNbTiN ground groundground plane planeplaneFilterMKID NbTiN ground planeFilter MKIDin out antenna antennaAl stripFilterFilter Readout signal NbTiN ground plane inin in lossylossy termination termination antennaantennaantennaAl stripAl strip ReadoutReadoutReadout signal signal signal lossy termination antennaAlMKID strip out lossylossywideband termination termination MKIDs (x3) antenna outout lossylossywideband termination terminationwideband MKIDs (x3) MKIDs (x3) NbTiN ground planeMKIDMKIDMKID out widebandwideband MKIDs MKIDs (x3) (x3) NbTiN groundNbTiN plane ground plane widebandwideband MKIDs MKIDs (x3) (x3) NbTiN ground plane filter channels (x49) antenna filter channels (x49) antenna lossylossyfilter filtertermination termination channels channels (x49) (x49) antennaantenna lossyfilterfilter termination channelschannelsfilter channels(x49) (x49) (x49) widebandwidebandwidebandlossy termination MKIDs MKIDsMKIDs (x3) (x3)(x3) widebandwideband MKIDsMKIDs (x3)(x3) widebandwidebandwidebandwideband MKIDs MKIDs MKIDs MKIDs (x3) (x3) (x3) (x3) THz signalwideband MKIDs (x3) Si lenslet THz signal sapphire substrate THzTHz signalsignal filterfilter channelschannels (x49) (x49) THz signal sapphirewideband substrate MKIDs (x3) SiSiSi lenslet lensletSilenslet lenslet THz signal filtersapphiresapphiresapphire channels substrate substrate substrate (x49) Si lenslet THz signal sapphirefilter channels substrate (x49) THz signal wideband MKIDs (x3) THzTHzTHz signal signalsignalTHz signalwideband MKIDs (x3) THz signal Si lenslet THz signalwidebandwideband MKIDssapphire MKIDs (x3) (x3) substrate Si lenslet THz signal sapphire substrate sapphire substrate Si lenslet THz signal THz signal Si lenslet THzTHz signal signal sapphiresapphire substrate substrate Si lenslet THz signal THzTHz signal signal End 2017 First light of on ASTE on-chip filterbank spectrometer for submillimeter wave astronomy Akira Endo (TU Delft) Kenichi Karatsu, Robert Huiting, Behnam Mirzaei, Alejandro Pascual Laguna, Stephen Yates, Vignesh Murugesan, Jochem Baselmans (SRON) David Thoen, Sjoerd Bosma, Nuria Llombart, Teun Klapwijk (TU Delft) Kaui Chin, Akio Taniguchi, Tatsuya Takekoshi, Kotaro Kohno (Univ. Tokyo) Takashi Tsukagoshi, Shun Ishii, Jun Maekawa, Ryohei Kawabe, Tai Oshima, Toshihiko Kobiki, Shin’ichiro Asayama (NAOJ) Koyo Suzuki, Tetsutaro Ueda, Yoichi Tamura (Nagoya Univ.) Masato Naruse (Saitama Univ) Kazuyuki Fujita, Akira Kouchi (Hokkaido Univ) Shunichi Nakatsubo (ISAS/JAXA) Paul van der Werf (Leiden Univ.) DESHIMA Cryostat: Thermal filtering & Baffling Vespel tower Magnetic Shields 120 mK detector housing On-chip filterbank Frequency Response Source window beam splitter Detection of Methanol Emission Spectrum gas cell a window b Filter l-N2 in Al strip Readout signal MKID out NbTiN ground plane a b antenna Cryostat lossy termination PM wideband MKIDs (x3) Gas cell CH OH filter 3channels (x49) PM widebandLPF MKIDs (x3) 4 K THz signal WG Si lenslet 120 mK sapphireLPF substrate BPF THz signal Tcold spectrometer chip 40GHz in single shot Detected in a 2 GHz band DESHIMA on ASTE system DESHIMA Local Controller growing galaxy Remote control 1010 yr from Base Camp or Japan ASTE telescope Readout Electronics 4-6 GHz readout signal ASTE RX cabin Cabin Optics Cryostat Cryostat & Optics Showcase: First Astronomical Spectra taken with DESHIMA Orion Nebula (continuum map) NGC253 (CO(3-2) map) 12CO(3-2) 12CO(3-2) HCO+ HCN? 40GHz in single shot 40GHz in single shot Various papers in (final) preparation MOSAIC an ultra-wideband multi beam spectrometer for the LMT • 5x5 = 25 spaxel imaging spectrometer • Frequency range: 185 - 365 GHz • ALMA Bands 5,6,7 • 350 spectral channels (detectors) per spatial pixel • Resolution: R = 500 (~ 600 km/sec) • 8750 Detectors • 4 backends • 2-4 GHz bandwidth each AzTEC RSR B4R SEQUIOA C. M. Casey et al. 2013 Astro-ph, 1302.2619 MOSAIC: Estimated single pixel