Search Results - "Doerr, Christopher"
-
1
Coherent Optical Transceivers Scaling and Integration Challenges
Published in Proceedings of the IEEE (01-11-2022)“…The advancement of digital coherent technologies has dramatically increased the system capacity per single-core single-mode fiber to the point that we can now…”
Get full text
Journal Article -
2
What is — and what is not — an optical isolator
Published in Nature photonics (01-08-2013)“…The quest for on-chip optical isolators has recently spawned many new isolator structures. However, there has been some confusion about the requirement of…”
Get full text
Journal Article -
3
Interleaved Silicon Nitride AWG Spectrometers
Published in IEEE photonics technology letters (01-01-2019)“…Interleaved arrayed waveguide gratings (AWGs) have a great potential in providing large channel counts and narrower channel spacings for many applications,…”
Get full text
Journal Article -
4
Compact ultrabroad-bandwidth cascaded arrayed waveguide gratings
Published in Optics express (11-05-2020)“…Here, we present a compact, high-resolution, and ultrabroad-bandwidth arrayed waveguide grating (AWG) realized in a silicon nitride (Si N ) platform. The AWG…”
Get full text
Journal Article -
5
Special Issue of Silicon Photonics [Scanning the Issue]
Published in Proceedings of the IEEE (01-12-2018)“…Silicon, well established as an electronics platform, was first seriously explored as an optical waveguide platform in 1987 by Soref and Bennett. Light at…”
Get full text
Journal Article -
6
Silicon Photonic Based Stacked Die Assembly Toward 4×200-Gbit/s Short-Reach Transmission
Published in Journal of lightwave technology (01-03-2022)“…We presenta silicon photonic based stacked die assembly (SDA) compatible with the commercial complementary metal-oxide-semiconductor process. The SDA consists…”
Get full text
Journal Article -
7
Silicon photonic integration in telecommunications
Published in Frontiers in physics (05-08-2015)“…Silicon photonics is the guiding of light in a planar arrangement of silicon-based materials to perform various functions. We focus here on the use of silicon…”
Get full text
Journal Article -
8
Monolithic silicon chip with 10 modulator channels at 25 Gbps and 100-GHz spacing
Published in Optics express (12-12-2011)“…We demonstrate a chip containing ten low-chirp silicon modulators, each operating at 25 Gbps, multiplexed by a SiN arrayed-waveguide grating with 100-GHz…”
Get full text
Journal Article -
9
Wide Bandwidth Silicon Nitride Grating Coupler
Published in IEEE photonics technology letters (01-10-2010)“…We demonstrate a one-dimensional grating coupler in silicon nitride with a 67-nm 1-dB bandwidth, the largest reported for a grating coupler butt-coupled to…”
Get full text
Journal Article -
10
Comment on "Nonreciprocal light propagation in a silicon photonic circuit"
Published in Science (American Association for the Advancement of Science) (06-01-2012)“…We show that the structure demonstrated by Feng et al. (Reports, 5 August 2011, p. 729) cannot enable optical isolation because it possesses a symmetric…”
Get full text
Journal Article -
11
Monolithic InP Multiwavelength Coherent Receiver Using a Chirped Arrayed Waveguide Grating
Published in Journal of lightwave technology (15-02-2011)“…We propose and demonstrate a novel four-channel monolithic polarization-diversity dual-quadrature coherent receiver with balanced detection in InP. It uses an…”
Get full text
Journal Article Conference Proceeding -
12
Custom Arrayed Waveguide Gratings with Improved Performance
Published in Advanced photonics research (01-11-2023)“…Arrayed waveguide gratings (AWGs) are key optical components of various new applications in telecommunication, astronomy, medical imaging, and spectroscopy. It…”
Get full text
Journal Article -
13
Monolithic Polarization and Phase Diversity Coherent Receiver in Silicon
Published in Journal of lightwave technology (15-02-2010)“…In this paper, we realized a monolithic silicon photonic integrated circuit (PIC) for polarization and phase diversity coherent detection. The PIC includes two…”
Get full text
Journal Article -
14
A photonic spectral processor employing two-dimensional WDM channel separation and a phase LCoS modulator
Published in Optics express (18-07-2011)“…We present a Photonic Spectral Processor (PSP) that provides both fine spectral resolution and broad bandwidth support by dispersing light over two-dimensional…”
Get full text
Journal Article -
15
Proposed Architecture for MIMO Optical Demultiplexing Using Photonic Integration
Published in IEEE photonics technology letters (01-11-2011)“…This paper proposes and simulates a novel structure for optical demultiplexing of optical multiple-input-multiple-output (MIMO) systems. Such a structure…”
Get full text
Journal Article -
16
InP-Based Comb Generator for Optical OFDM
Published in Journal of lightwave technology (15-02-2012)“…We describe in more detail a novel InP-based comb generator for optical orthogonal frequency division multiplexed (OFDM) transmission. The device integrates a…”
Get full text
Journal Article -
17
Dielectric Waveguide Theory
Published in Journal of lightwave technology (01-05-2008)“…We attempt a brief and broad overview and historical perspective of the theory of lightwave propagation in dielectric waveguides. This is a subject that is now…”
Get full text
Journal Article -
18
Effect of Strength and Power Training on Physical Function in Community-Dwelling Older Adults
Published in The journals of gerontology. Series A, Biological sciences and medical sciences (01-02-2003)“…Background. The performance of daily tasks, such as stair climbing or lifting an object, requires both muscle strength and power. Age-associated reductions in…”
Get full text
Journal Article -
19
Monolithically Integrated 40-Wavelength Demultiplexer and Photodetector Array on Silicon
Published in IEEE photonics technology letters (01-07-2011)“…We demonstrated a 40-channel dense-wavelength-division-multiplexed (DWDM) monolithically integrated receiver on silicon, which consists of a silicon nitride…”
Get full text
Journal Article -
20
Spike sorting: the overlapping spikes challenge
Published in Current directions in biomedical engineering (01-09-2015)“…When recording action potentials (spikes) from many neurons simultaneously via multichannel micro-electrodes the overlapping of spikes from different neurons…”
Get full text
Journal Article