TA-B1 tunable-bandgap InGaAsP avalanche photodiode detectors Washington, M. A. ; Nahory, R. E. ; Pollack, M. A. ; Beebe, E. D. ; Capasso, F. Abstract Publication: IEEE Transactions on Electron Devices Pub Date: November 1978 DOI: 10.1109/T-ED.1978.19307 Bibcode: 1978ITED...25R1346W