Greg Pickrell Email & Phone Number

Albuquerque, New Mexico, United States

Albuquerque, New Mexico, United States

• Developed silicon photonics transmitters/receivers based on hybrid integration of III-V materials on a silicon platform for high-speed, large data capacity (100 Gb/sec) products. Improved process fabrication with.
• Lead Integration Engineer to optimize Back End of the Line (BEOL) process integration with outsourced industrial vendor for 8” Si wafer platform. Worked on site with process engineering, operations, vendor management.
• Integrated III-V devices with Si using CMOS processes including thin film deposition (dielectrics, metals), lithography, etch (Si, SiO2, metals, and III-V on Si), CMP (dielectrics, a-Si, metals), and metrology.
• Designed, organized, and monitored experiments to improve integration and uniformity. Analyzed results and made changes to BEOL processes to overcome obstacles in hybrid integration scheme.
• Identified and developed key vendor relationships for growth and processing of III-V materials.
• Optimized III-V epitaxial designs. Improved III-V processes including wafer fabrication, laser bar cleaving, and device pick and place.

Shijiazhuang, Hebei, China

• Co-founded a start-up, laser diode manufacturing company in China. Set up manufacturing wafer process production line and quality control efforts for production of InP/InGaAsP buried-heterostructure, distributed.
• Developed and transferred fabrication processes for InP/InGaAsP BH-DFB laser diodes. Process included etch, SiO2 deposition/etch, epitaxial regrowth, photolithography, metallization, wafer thinning, and high.
• Developed laser holographic lithography and etch processes for the fabrication of sub-micron diffraction gratings (period ~ 200 nm) for use in DFB lasers. Optimized process for duty cycle control to maximize chip yield.
• Modeled and design HR/AR facet coatings using TFCALC program. Designed photolithography mask set using L-EDIT program.
• Characterized fabrication process using FE-SEM, confocal microscopy, and surface profiler.
• Created schedules, project management and manpower plans for the production line start-up effort. Identified and coordinated relationships with key suppliers and equipment vendors.

Sugar Land, TX

• Formally organized projects to define work breakdown structure, team members, assignments, schedules, milestones, and budgets. Instituted periodic progress meetings and trained engineers for project management.
• Developed departmental training classes for multiple employee levels (operator, technician, junior engineer, and senior engineer) to describe technology, products, markets, and company strategy.
• Instituted weekly meetings with product managers to update progress and share information on latest customer requests. Efforts resulted in improved communication, better on-time delivery to customers, and faster.

Sugar Land, TX

• Successfully developed and transferred processes for the fabrication of uncooled, 1270–1610 nm BH distributed feedback (DFB) lasers into the production environment using a hybrid growth method involving both MBE and.
• Co-developed broad-gain, injection-locked, Fabry-Perot (FP) lasers for WDM-PON (Wavelength division multiplexing, passive optical network) next generation networks.
• Developed accelerated aging testing effort to evaluate reliability of semiconductor laser diodes. Coordinated the installation and qualification of necessary equipment. Organized experimental matrix and analyzed data.
• Improved production procedures through selection and installation of inductively coupled plasma (ICP) dry etch systems and process development of deposition (multi-wafer SiO2) and etch processes (CH4/H2, Cl2/Ar, and.
• Project manager on development of bi-directional, optical sub-assembly (BOSA) packages. Successfully developed Bidi (1310 nm laser, 1490 nm detector) and Tridi (1310 nm laser, 1490 nm and 1550 nm detector) packages..
• Co-authored three conference presentations and two publications.

Zephyr Cove, NV

• Co-demonstrated monolithically-integrated, waveguide grating-coupled, VCSEL resonant-cavity photodetector pair (optical switch). Responsibilities included development of material growth and regrowth techniques and.
• Grew, fabricated, and characterized high-performance, 980 nm VCSELs with low threshold voltages (1.45 V) and currents (200 μA) and excellent temperature-dependent behavior.
• Demonstrated monolithically-integrated VCSELs with internal waveguides having high, single-mode output powers (3 mW) and low threshold voltages.
• Developed epitaxial regrowth processes to realize monolithically-integrated WDM VCSEL arrays.
• Designed and demonstrated material compositional grading method, using MBE, for low-resistance, high-reflectivity, VCSEL mirrors.
• Installed and qualified an Applied Epi Gen III molecular beam epitaxy (MBE) growth system.

Urbana-Champaign, Illinois Area

• Investigated compliant epitaxial growth techniques toward the realization of semiconductor optical devices. Research included development of epitaxial regrowth processes using Molecular Beam Epitaxy (MBE).
• Installed and qualified a new MBE material growth system.
• Co-developed a substrate-independent, epitaxially deposited distributed Bragg reflector (DBR) operating in the visible spectrum. Technique used low-temperature growth of polycrystalline and amorphous materials by MBE.
• Developed growth processes using solid-phosphorous source for InP-based materials.
• Developed a surface protection method, using amorphous InGaP, for wet oxidation processes of III-V materials.
• Investigated low-temperature wafer-bonding for heterogeneous device integration.

Ph. D., M.S., Electrical Engineering

Activities and Societies: IEEE • Gregory Stillman Semiconductor Research Award, University of Illinois, 2002. • First Runner Up, V. Dale.

Bachelor Of Science (B.S.), Electrical And Computer Engineering

Bachelor Of Business Administration (B.B.A.), Marketing Management, General Management

Activities and Societies: Phi Gamma Delta Fraternity, Delta Sigma Pi Business Fraternity • Presidential Scholarship Award Winner