Christopher Doerr — 10 Patents at AT&T

Issued Patents 2017

Showing 1–10 of 10 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
9829659	Through transmission path on photonic circuits for optical alignment	Long Chen, Diedrik Vermeulen	2017-11-28	$18,640,000
9823496	Modulation-based integrated broadband optical isolator with improved isolation	—	2017-11-21	$19,168,000
9817249	Alternating traveling-wave Mach-Zehnder modulator	—	2017-11-14	$18,966,000
9806839	Optical compensation using a space division multiplexing electro-optic receiver	Eric Swanson, Graeme Pendock	2017-10-31	$19,751,000
9716552	OTDM coherent transceiver	—	2017-07-25	$31,282,000
9671559	Integrated polarization filter and tap coupler	Long Chen	2017-06-06	$17,590,000
9625746	Silicon depletion modulators with enhanced slab doping	Long Chen	2017-04-18	$20,511,000
9606377	Integrated broadband optical isolator	—	2017-03-28	$44,792,000
9557478	Electronic and optical co-packaging of coherent transceiver	Eric Swanson, Jon Stahl, Diedrik Vermeulen	2017-01-31	$23,214,000
9559487	Integrated high-power tunable laser with adjustable outputs	—	2017-01-31	$23,214,000