Ion Trap Quantum Computing with Ca+ Ions. - Rainer Blatt; Hartmut Häffner; Christian F. Roos; Christoph Becher; Ferdinand Schmidt-Kaler (Quantum Inf. Process., 2004)

Tomografie eines Quantenzustands - Verschränkung und Reinheit. - Otfried Gühne; Hartmut Häffner (Elektrotech. Informationstechnik, 2007)

QUANT-NET: A testbed for quantum networking research over deployed fiber. - Inder Monga; Erhan Saglamyurek; Ezra Kissel; Hartmut Häffner; Wenji Wu (QuNet@SIGCOMM, 2023)

Sample-efficient verification of continuously-parameterized quantum gates for small quantum processors. - Ryan Shaffer; Hang Ren; Emiliia Dyrenkova; Christopher G. Yale; Daniel S. Lobser; Ashlyn D. Burch; Matthew N. H. Chow; Melissa C. Revelle; Susan M. Clark; Hartmut Häffner (Quantum, 2023)

The QUANT-NET Testbed Development and Preliminary Results. - Damian Schon; Prathwiraj Umesh; You-Wei Cheah; Se-Young Yu; Ezra Kissel; Raju Valivarthi; Erhan Saglamyurek; Lavanya Ramakrishnan; Wenji Wu; Alp Sipahigil; Maria Spiropulu; Hartmut Häffner; et al. (QCE, 2024)

Experimental Test of Bell-state Measurement for Narrow-band Ion-photon Interfaces in the QUANT-NET Testbed. - Yue Yin; Xiang Li; Damian Schon; Zhiyuan Chen 002; You-Wei Cheah; Erhan Saglamyurek; Wenji Wu; Hartmut Häffner; Inder Monga (OFC, 2025)