A novel electro-optical up-conversion mixer architecture comprising four electro-optical
phase modulators situated in the arms between an interconnected 1× 4 distribution tree and …

A photonic integrated circuit architecture for implementing frequency upconversion is
proposed. The circuit consists of a 1× 2 splitter and 2× 1 combiner interconnected by two …

Optical waveguide mode-combiners for fundamental and first-order modes, based on
multimode interference (MMI) couplers are presented. These devices convert a fundamental …

A new wideband linearised photonic mixer structure based on a parallel topology of two
electrooptic modulators is presented. This mixer realises a high spurious free‐dynamic …

A microwave photonic mixer based on a single electro-optic Mach–Zehnder intensity
modulator operating in both directions is presented. In this mixer structure, the light from the …

A two-mode (de) multiplexer [(DE) MUX] based on multimode interference couplers on InP
substrate is proposed and experimentally demonstrated. A phase shifting section with a …

We report on the concept and realization of new 2/spl times/2 and 1/spl times/3 multimode
interference (MMI) couplers that offer the possibility of a free choice of the power splitting …

A new linearized photonic mixer structure, which can fully eliminate the third-order
intermodulation distortion, is presented. It is based on an integrated dual-parallel Mach …

An integrated electrically pumped opto-electronic mixer consisting of two InP-GaInAs
heterojunction bipolar transistors in a cascode configuration is demonstrated. Intrinsic down …

We demonstrate multi-mode interference (MMI) based optical mode converter for spatial
multi-mode multiplexing transmission. The implemented device showed mode-conversion of …