EX-23.2 Consent of Independent Public Accounting

We consent to the reference to our firm under the caption “Experts” and to the use of our report dated September 8, 2005, with respect to the consolidated financial statements and schedule of Bookham, Inc. included in Amendment No. 2 to the Registration Statement (Form S-3 No. 333-127546) and related Prospectus of Bookham, Inc. for the registration of up to 8,000,000 shares of its common stock and to the incorporation by reference therein of our reports dated September 8, 2005, with respect to the consolidated financial statements and schedule of Bookham, Inc., Bookham, Inc. management’s assessment of the effectiveness of internal control over financial reporting, and the effectiveness of internal control over financial reporting of Bookham, Inc., included in its Annual Report (Form 10-K) for the year ended July 2, 2005, filed with the Securities and Exchange Commission.


	/s/ Ernst & Young LLP