| Broad-gain (Δλ/λ0~0.4), temperature-insensitive (T0~510K) quantum cascade lasers K Fujita, S Furuta, T Dougakiuchi, A Sugiyama, T Edamura, M Yamanishi Optics express 19 (3), 2694-2701, 2011 | 63 | 2011 |
| Ultra-broadband room-temperature terahertz quantum cascade laser sources based on difference frequency generation K Fujita, M Hitaka, A Ito, M Yamanishi, T Dougakiuchi, T Edamura Optics express 24 (15), 16357-16365, 2016 | 61 | 2016 |
| Sub-terahertz and terahertz generation in long-wavelength quantum cascade lasers K Fujita, S Hayashi, A Ito, M Hitaka, T Dougakiuchi Nanophotonics 8 (12), 2235-2241, 2019 | 60 | 2019 |
| Measurement and control of spatial qubits generated by passing photons through double slits G Taguchi, T Dougakiuchi, N Yoshimoto, K Kasai, M Iinuma, HF Hofmann, ... Physical Review A 78 (1), 012307, 2008 | 55 | 2008 |
| High-performance quantum cascade lasers with wide electroluminescence (∼ 600 cm− 1), operating in continuous-wave above 100° C K Fujita, S Furuta, A Sugiyama, T Ochiai, A Ito, T Dougakiuchi, T Edamura, ... Applied physics letters 98 (23), 2011 | 47 | 2011 |
| High photoresponse in room temperature quantum cascade detector based on coupled quantum well design T Dougakiuchi, K Fujita, T Hirohata, A Ito, M Hitaka, T Edamura Applied Physics Letters 109 (26), 2016 | 35 | 2016 |
| Broadband tuning of external cavity dual-upper-state quantum-cascade lasers in continuous wave operation T Dougakiuchi, K Fujita, N Akikusa, A Sugiyama, T Edamura, ... Applied physics express 4 (10), 102101, 2011 | 34 | 2011 |
| Time-stretch infrared spectroscopy A Kawai, K Hashimoto, T Dougakiuchi, VR Badarla, T Imamura, ... Communications Physics 3 (1), 152, 2020 | 26 | 2020 |
| Low-threshold room-temperature continuous-wave operation of a terahertz difference-frequency quantum cascade laser source K Fujita, A Ito, M Hitaka, T Dougakiuchi, T Edamura Applied Physics Express 10 (8), 082102, 2017 | 24 | 2017 |
| Reconstruction of spatial qutrit states based on realistic measurement operators G Taguchi, T Dougakiuchi, M Iinuma, HF Hofmann, Y Kadoya Physical Review A 80 (6), 062102, 2009 | 24 | 2009 |
| Broadband tuning of continuous wave quantum cascade lasers in long wavelength (> 10μm) range T Dougakiuchi, K Fujita, A Sugiyama, A Ito, N Akikusa, T Edamura Optics Express 22 (17), 19930-19935, 2014 | 22 | 2014 |
| Direct observation of terahertz frequency comb generation in difference-frequency quantum cascade lasers L Consolino, M Nafa, M De Regis, F Cappelli, S Bartalini, A Ito, M Hitaka, ... Applied Sciences 11 (4), 1416, 2021 | 19 | 2021 |
| Ultimate response time in mid-infrared high-speed low-noise quantum cascade detectors T Dougakiuchi, A Ito, M Hitaka, K Fujita, M Yamanishi Applied Physics Letters 118 (4), 2021 | 19 | 2021 |
| Broadly tunable lens-coupled nonlinear quantum cascade lasers in the sub-THz to THz frequency range K Fujita, S Hayashi, A Ito, T Dougakiuchi, M Hitaka, A Nakanishi Photonics Research 10 (3), 703-710, 2022 | 15 | 2022 |
| Stacked quantum cascade laser and detector structure for a monolithic mid-infrared sensing device M Hitaka, T Dougakiuchi, A Ito, K Fujita, T Edamura Applied Physics Letters 115 (16), 2019 | 14 | 2019 |
| High-speed quantum cascade detector with frequency response of over 20 GHz T Dougakiuchi, T Edamura SPIE Future Sensing Technologies 11197, 98-100, 2019 | 12 | 2019 |
| Quantum cascade laser T Dougakiuchi, K Fujita, A Ito, T Edamura US Patent 10,008,829, 2018 | 9 | 2018 |
| Application of high-speed quantum cascade detectors for mid-infrared, broadband, high-resolution spectroscopy T Dougakiuchi, N Akikusa Sensors 21 (17), 5706, 2021 | 5 | 2021 |
| Continuous multispectral imaging of surface phonon polaritons on silicon carbide with an external cavity quantum cascade laser T Dougakiuchi, Y Kawada, G Takebe Applied Physics Express 11 (3), 032001, 2018 | 5 | 2018 |
| Quantum cascade laser T Edamura, K Fujita, T Dougakiuchi, M Yamanishi US Patent 8,699,538, 2014 | 4 | 2014 |
Kazuue FujitaHamamatsu PhotonicsVerified email at crl.hpk.co.jp
